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deSonna – Your expert for building-integrated photovoltaics (BIPV)
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Welcome to deSonna, your specialist for roof-integrated photovoltaic systems (BIPV). We support installers, planners and contractors with high-quality solutions for building-integrated solar projects. As an official Solrif partner, we offer the proven Solrif in-roof system and compatible modules for efficient, durable and visually integrated energy generation.
Product Highlights
Largest module from Sonnenstromfabrik. The PV module features a Solrif N frame for installation in the Solrif in-roof mounting system. It can be combined within the module field with the SSF-M96-SRFN-BLK to achieve even more efficient use of the roof area.More informationThe Sonnenstromfabrik Integration Glass/Glass 445 M108 in-roof solar module is distributed exclusively by deSonna and combines maximum performance with an elegant full-black design. As a solar module and roof tile in one, it provides an aesthetic in-roof solution and reduces system costs by replacing conventional roof coverings.Thanks to high-quality materials such as double-tempered, AR-coated structured glass and a black Solrif aluminum frame (16 mm), the module integrates harmoniously into modern roof architecture – ideal for homeowners, architects, and planners.Main features:Exclusive at deSonna – glass/glass full-black module with 445 WpIn-roof solution – solar module and roof tile combined2 × 2 mm tempered structured glass, anti-reflective coated108 monocrystalline half-cut cells (182 mm, 11BB)Solrif aluminum frame, black anodized (16 mm)MC4 connectors, connection cables Ø 4 mm², approx. 1.0 m eachJunction box with 3 bypass diodes, IP65/IP68High load capacity: 8,100 Pa snow load, 3,600 Pa wind loadMax. system voltage: 1000 V, protection class IIPower tolerance: -0 / +4.99 WpTechnical specificationsDimensions (L × W)1783 × 1170 mmWeightapprox. 26 kg ± 0.5 kgNumber of cells108 half-cutCell typeMonocrystalline, 182 mm, 11BBGlass2 × 2 mm tempered structured glass, AR-coatedBacksideBlackFrameSolrif aluminum, black anodized, 16 mmJunction box3 bypass diodes, IP65/IP68ConnectorsMC4, IP65/IP68Connection cablesØ 4 mm², approx. 1.0 m eachMax. snow load test8,100 PaMax. wind load test3,600 PaMax. system voltage1000 VProtection classIIPerformance at STCNominal power Pmpp (Wp)Tolerance445-0 / +4.99 Wp
The Sonnenstromfabrik Integration M96 Solrif® N 375 Wp in-roof solar module is a high-performance BIPV in-roof solution designed for demanding photovoltaic installations. Combining a solar module and roofing element in one, it provides a rainproof roof integration, high energy yields, and a modern, homogeneous full-black design – ideal for premium residential and commercial buildings.Show moreThe Sonnenstromfabrik Integration M96 Solrif® N 375 Wp in-roof solar module is a high-quality glass/glass photovoltaic module designed for roof-integrated installation within the Solrif® mounting system. As a BIPV solution (Building Integrated Photovoltaics), it replaces conventional roofing elements while combining architectural aesthetics with efficient power generation.The robust glass/glass construction with 2 × 2 mm tempered, anti-reflective solar glass reliably protects the PID-free monocrystalline high-performance cells from microcracks and environmental influences. This ensures high mechanical stability, reliable energy yields and an exceptionally long service life – even under extreme weather conditions.Manufactured according to the highest international quality and environmental standards, the module is certified among others according to ISO 9001, ISO 14001, ISO 45001 as well as IEC 61215 and IEC 61730. A 30-year linear performance warranty and a 20-year product warranty ensure long-term investment security and economic efficiency.In-roof solution – solar module and roof covering combined2 × 2 mm tempered anti-reflective solar glassPID-free monocrystalline high-performance cells30-year linear performance warranty20-year product warrantyExcellent mechanical load ratings (snow load up to 5,400 Pa)BIPV type according to EN 50583, category AHail resistance class HW 3Modern full-black design for homogeneous roof surfacesTechnical specifications – Sonnenstromfabrik Integration M96 Solrif® N 375 WpMax. system voltage1000 VWeight22.0 ± 0.5 kgReverse current rating IR25 AJunction boxIP65 / IP68ConnectorsIP65 / IP68, MC4Fire protection classClass COperating temperature-40°C to +85°CDesign load snow5,400 PaMaximum snow test load8,100 PaDesign load wind1,600 PaMaximum wind test load2,400 PaDimensions1598 × 1170 mmPerformance at STCStandard test conditions: 1000 W/m², AM 1.5, cell temperature 25°CMeasurement tolerances: Pmpp ±3 %, Isc ±10 %, Uoc ±10 %Nominal power Pmpp (Wp)Open circuit voltage Uoc (V)Voltage Umpp (V)Short circuit current Isc (A)Current Impp (A)Efficiency (%)37533.5529.3513.9613.1320.0Performance at NMOTNominal module operating temperature at 800 W/m², AM 1.5Nominal power Pmpp (Wp)Open circuit voltage Uoc (V)Voltage Umpp (V)Short circuit current Isc (A)Current Impp (A)25837.9733.408.427.72Thermal characteristicsTC Pmpp-0.39 %/KTC Uoc-0.28 %/KTC Isc+0.040 %/KNMOT45 ± 2 °CMaterials usedNumber of cells96 half-cut cellsCell typeMonocrystallineGlassTempered solar glass (front and back)FrameSolrif® frame, 16 mm anodized aluminum
The Sonnenstromfabrik Integration Glass/Glass 330 M60 in-roof solar module is a high-performance BIPV in-roof solution for high-quality photovoltaic systems. Combining a solar module with roofing material, it ensures a watertight integration into the roof, a modern appearance and reduced long-term system and energy costs.Show moreThe Sonnenstromfabrik Integration Glass/Glass 330 M60 in-roof solar module is a high-quality BIPV (Building Integrated Photovoltaics) solution for demanding photovoltaic projects. As a solar module and roof covering in one, it replaces traditional roof tiles and ensures seamless, rainproof in-roof integration. This reduces both system costs and long-term electricity costs – whilst maintaining high architectural quality.The module features a robust glass-on-glass construction with 2 mm of tempered, anti-reflective solar glass on both the front and rear. The PID-free, high-performance monocrystalline cells are reliably protected against micro-cracks by the double-glass laminate. This ensures a particularly long service life, high mechanical resilience and stable yields – even under demanding environmental conditions.Sonnenstromfabrik’s solar modules are manufactured to the highest international quality and environmental standards and are certified to ISO 9001, ISO 14001, ISO 45001 and IEC 61215 / IEC 61730, amongst others. With a 30-year linear performance warranty and a 20-year product warranty, the Integration Glass/Glass 330 M60 offers sustainable investment security and long-term cost-effectiveness.In-roof solution – solar module and roof covering in one2 × 2 mm tempered, anti-reflective coated solar glassPID-free monocrystalline high-performance cells30-year linear performance warranty20-year product warrantyExcellent mechanical load ratings (snow up to 5,400 Pa)BIPV type according to EN 50583, Category AHail class HW 3Modern, uniform in-roof design for sophisticated architectureTechnical features – Sonnenstromfabrik Integration Glass/Glass 330 M60Max. system voltage1000 VWeight19.0 ± 0.5 kgReverse current capacity IR25 ATerminal blockIP65 / IP68ConnectorIP65 / IP68, MC4Fire protection classClass COperating temperature-40°C to +85°CDesign load (snow)5,400 PaMaximum design snow load8,100 PaDesign wind load1,600 PaMaximum wind test load2,400 PaExternal dimensions1,725 × 993 mmSTC powerStandard test conditions: 1,000 W/m², AM 1.5, cell temperature 25°CMeasurement tolerances: Pmpp ±3 %, Isc ±10 %, Uoc ±10 %Rated power Pmpp (Wp)Open-circuit voltage Uoc (V)Maximum power point voltage (V)Short-circuit current Isc (A)Current Impp (A)Efficiency (%)33040.6034.0910.429.6818.5NMOT powerNominal operating temperature of the module at 800 W/m², AM 1.5Rated power Pmpp (Wp)Open-circuit voltage Uoc (V)Voltage Umpp (V)Short-circuit current Isc (A)Current Impp (A)25837.9733.408.427.72Thermal propertiesTC Pmpp-0.39 %/KTC Uoc-0.28 %/KTC Isc+0.040 %/KNMOT45 ± 2 °CMaterials usedNumber of cells60 half-cut cellsCell typeMonocrystallineGlassTempered solar glass (front and back)FrameSolrif® frame, 16 mm anodised aluminium
Solrif mounting system
The Solrif mounting bracket (item no. 06497) is a specially designed mounting solution for the Solrif in-roof photovoltaic mounting system. It is used in the aluminium profile section and ensures a secure and flexible mounting of Solrif N modules with a frame height of 17 mm.More informationProduct detailsThe mounting bracket enables stable, slightly floating mounting of the modules and helps to compensate for stresses within the system. This ensures a durable and secure installation even under changing weather conditions.Manufactured from stainless spring steel and finished with a black coating, the mounting bracket offers excellent corrosion resistance and blends seamlessly into the Solrif system.Suitable for Solrif N modules (17 mm frame height)Position: Profile areaVersion: StandardColour: BlackMaterial: stainless spring steelItem number: 06497ApplicationThe mounting bracket profile is used as part of the installation in the Solrif photovoltaic in-roof mounting system and serves to securely fix the modules in the profile area.AdvantagesOptimal force distribution within the systemHigh corrosion resistanceDurable and low-maintenancePerfectly matched to the Solrif systemPlanning notesThe number of mounting brackets required varies depending on the roof structure and wind and snow loads. For an optimal design, we recommend individual planning.
The Solrif N Standard Glass Mounting Bracket in black (Item No. 52010) is an original mounting component for the Solrif in-roof system, ensuring a secure and gentle fixation within the glass area of photovoltaic modules.More informationProduct detailsSuitable for the Solrif N in-roof systemApplication: Glass area (module glass edge)Manufacturer’s item number: 52010Material: stainless spring steelSurface: black coatedWith rubber coating to protect the module glass edgeDescriptionThe Solrif Standard Glass Mounting Bracket has been specially developed for securing the exposed edge of the module glass in the Solrif in-roof system. It holds the photovoltaic module securely in the system whilst ensuring tension-free support.Thanks to the integrated rubber coating, the sensitive glass edge is reliably protected. The construction from stainless spring steel ensures a durable, corrosion-resistant and stable mounting – even in changing weather conditions.AdvantagesGentle fixing thanks to rubber coatingSecure and tension-free module fasteningCorrosion-resistant spring steelQuick and easy installationTechnical dataWidth: 17 mmHeight: 37 mmLength: 104 mmWeight: approx. 0.05 kgMaterial: stainless spring steelCoating: blackApplicationThe mounting bracket is installed at the free edge of the module glass and securely fixes the module in the Solrif in-roof system. It ensures even load distribution and supports the long-term stability of the photovoltaic system.Frequently Asked Questions (FAQ)What is the Solrif glass mounting bracket used for?The mounting bracket is used to secure the free edge of the module glass and holds the photovoltaic module securely in the Solrif in-roof system.Why is the mounting bracket rubberised?The rubber coating protects the module’s delicate glass surface from damage and ensures gentle fastening.Which system is the mounting bracket suitable for?The Standard Glass Mounting Bracket is specifically designed for the Solrif N in-roof system.
Connection plates for tile roofing, which are fitted to the outer corners of a Solrif module array.
A flashing for tiled roofs, which can be fitted along the upper edge of the module array towards the ridge. The flashing should be sized to match the width of the modules used in the array. Flashings provide a watertight transition to the tiles and are not required for Solrif full-roof systems without tiles.
An essential tool for fitting the mounting brackets precisely along the roof battens.
More informationProduct detailsEdge connection profile for Solrif N modulesPosition: leftModule height: 1170 mmItem number: 345N1170LMaterial: Aluminium EN AW6063 T66Surface: powder-coated, RAL 9005 (black)Suitable for laminate thicknesses up to max. 5.2 mmDescriptionThe Solrif left-hand edge connection profile is a custom-made aluminium profile for the side edging of photovoltaic modules in the Solrif in-roof system. It has been specially developed for Solrif N modules with a module height of 1170 mm and ensures a permanently secure and visually clean integration into the roof surface.Thanks to its length, which is precisely matched to the module height, the profile guarantees a perfect fit. The high-quality powder coating in RAL 9005 (black) also ensures a durable, weather-resistant surface.AdvantagesPrecisely tailored for Solrif N modules with a height of 1170 mmSecure and tight side sealHigh-quality powder coating for a long service lifeSturdy and easy-to-install designTechnical dataWidth: 35 mmHeight: 25 mmLength: 1170 mmMaterial: Aluminium EN AW6063 T66Colour: black (RAL 9005)Laminate thickness: up to 5.2 mmApplicationThe edge connection profile is installed on the left-hand edge of a module row. It ensures a reliable seal and a visually clean finish to the module surface, and is ideal for new builds and renovations in the field of in-roof photovoltaics.Frequently Asked Questions (FAQ)Which modules is the edge connection profile suitable for?The profile is specifically designed for Solrif N modules with a module height of 1170 mm.What is the edge connection profile used for?It serves to finish off the side of a module row and ensures a tight and visually clean integration into the roof.Is the profile weather-resistant?Yes, thanks to the powder coating in RAL 9005, the profile is particularly durable and resistant to weathering.
inverter
The REFUsol 20K-3T is a compact 20 kW string inverter with three MPP trackers and 98.6% efficiency – ideal for commercial and industrial PV systems.More informationREFUsol 20K-3T – Efficiency and flexibility for commercial PV projectsThe REFUsol 20K-3T combines advanced technology with high reliability and easy installation. With three independent MPP trackers, an efficiency of up to 98.6% and a long-term overload capacity of 110%, it is the optimal choice for rooftop and ground-mounted systems in the power range up to 20 kW. Thanks to its compact design, flexible communication interfaces and online monitoring via REFUview, the inverter can be quickly integrated and operated efficiently.Highlights3 independent MPP trackers for flexible system designsEfficiency up to 98.6% / EU efficiency 98.2%110% overload capacity for maximum energy yieldCompatible with older REFUsol models – ideal for repowering projectsCommunication via RS485, USB, Ethernet or optional WiFi loggerIntegrated DC switch and comprehensive protection functionsOnline monitoring via the REFUview platformIP65 protection rating – dust and splash-proof10-year manufacturer’s warrantyTechnical data – REFUsol 20K-3TRated power (AC)20 kWMax. AC power22 kVARecommended PV capacityup to 30 kWpMax. input voltage (DC)1100 VOperating voltage range (DC)180 – 1000 VNumber of MPP trackers3 (2 inputs per MPPT)Max. output current (AC)33.3 AGrid connection3P/N/PE – 230/400 V, 50/60 HzTopologyTransformerlessProtection ratingIP65CoolingActive (fan-assisted)Dimensions (H × W × D)480 × 585 × 220 mmWeight36 kgEfficiency (max. / EU)98.6% / 98.2%CertificatesEN 61000-6-1/3, VDE-AR-N 4105/4110, EN 50549-1Item number853P020.010Warranty10 yearsSafety & CommunicationThe REFUsol 20K-3T is equipped with an integrated DC switch, anti-islanding protection, earth fault and overtemperature monitoring, as well as overvoltage and overcurrent protection. Communication is via RS485, USB, Ethernet or optional WiFi. All operating data can be read directly on the device via the integrated LCD display, whilst the REFUview platform enables convenient remote monitoring and analysis in real time.ApplicationsCommercial rooftop installationsAgricultural businessesSmall to medium-sized industrial installationsRepowering of existing REFUsol systemsHybrid and grid-connected PV conceptsConclusionThe REFUsol 20K-3T offers an optimal balance of performance, reliability and cost-effectiveness. It is the ideal solution for specialist firms and installers who value modern communication, simple installation and long-term efficiency.
The REFUsol 25K-3T is a compact 25 kW string inverter with three MPP trackers and an efficiency of up to 98.6% – ideal for commercial PV systems.More informationREFUsol 25K-3T – Flexible, efficient, robustWith three independent MPP trackers, the 25K-3T offers maximum freedom in string configuration for different roof orientations and complex system designs. Its high long-term overload capacity of 110%, simple installation and integrated communication interfaces make it a reliable choice for rooftops and ground-mounted installations.Highlights3 MPP trackers for flexible string configurationsEfficiency up to 98.6% (EU efficiency 98.2%)110% overload capacity for higher energy yieldCompatible with older REFUsol devices – ideal for repoweringCommunication via Ethernet, RS485, USB or optional WiFiIntegrated DC disconnect switch & comprehensive protection functionsOnline monitoring via REFUviewIP65 enclosure for indoor and outdoor use10-year manufacturer’s warrantyTechnical data – REFUsol 25K-3TRated power (AC)25 kWMax. AC power28 kVARecommended PV outputup to 37.5 kWpMax. input voltage1100 VOperating voltage range180 – 1000 VNumber of MPP trackers3Max. current per MPPT40 AMax. output current42.4 AMains connection3P/N/PE – 230/400 V, 50/60 HzEfficiency (max. / EU)98.6% / 98.2%Protection ratingIP65CoolingActive (fan-assisted)Dimensions (H × W × D)480 × 585 × 220 mmWeight36 kgCertificatesVDE-AR-N 4105, VDE-AR-N 4110, EN 50549-1, etc.Item number853P025Safety & CommunicationComprehensive protection functions: DC reverse polarity protection, anti-islanding, overcurrent/overvoltage and overtemperature protection, as well as earth fault monitoring. Communication via RS485, USB, Ethernet or optional WiFi logger. An integrated LCD display enables easy on-site operation; remote monitoring via the REFUview platform.ConclusionHigh efficiency, substantial reserves and versatile connectivity – the REFUsol 25K-3T is the robust solution for small to medium-sized commercial and industrial installations, as well as repowering projects.
The REFUsol 50K-4T is a highly efficient 50 kW string inverter with four MPP trackers and an efficiency of up to 98.8% – ideal for large commercial and industrial PV systems.More informationREFUsol 50K-4T – High performance for demanding PV projectsThe REFUsol 50K-4T impresses with state-of-the-art inverter technology and maximum flexibility. Thanks to its four independent MPP trackers (two DC inputs each), even complex roof or ground-mounted layouts can be optimally implemented. With an efficiency of up to 98.8% and a long-term overload capacity of 110%, it ensures maximum energy yield and reliable continuous operation under the most demanding conditions.Highlights4 independent MPP trackers (2 DC inputs each) for flexible string configurationsMax. efficiency: 98.8% / EU efficiency: 98.2%110% overload capacity for greater energy yieldCompact, robust IP65 housing with active coolingCommunication via RS485, USB, Ethernet or optional WiFi loggerIntuitive operation via LCD display; online monitoring via REFUviewIntegrated DC load disconnect switch and comprehensive protection functions10-year manufacturer’s warrantyTechnical data – REFUsol 50K-4TRated power (AC)50 kWMax. AC power55 kVARecommended PV outputup to 75 kWpMax. input voltage (DC)1100 VOperating voltage range (DC)180 – 1000 VMPP operating range540 – 850 VNumber of MPP trackers4 (2 inputs each)Max. current per MPPT40 AMax. short-circuit current50 AMax. output current (AC)83.3 AMains connection3P/N/PE – 230/400 V, 50/60 Hz (310–480 V range)THDi< 3 %Power factor1 (0.8 inductive ... 0.8 capacitive)TopologyTransformerlessProtection classIP65CoolingActive (fan-assisted)Dimensions (H × W × D)480 × 585 × 220 mmWeight37 kgDisplayLCDItem number853P050Warranty10 yearsSafety & CommunicationThe REFUsol 50K-4T features an integrated DC load break switch and comprehensive protection mechanisms against anti-islanding, DC reverse polarity, reverse current, earth fault, overtemperature, overvoltage and overcurrent. Communication is via RS485, USB, Ethernet or an optional WiFi logger. Remote monitoring and data analysis are possible via the REFUview platform. An integrated LCD display also enables convenient local operation.ApplicationsCommercial rooftop installations and carport systemsIndustrial and agricultural installations in the medium-power segmentGround-mounted systems with varying orientationsRepowering and expansion of existing PV systemsConclusionThe REFUsol 50K-4T combines maximum efficiency with high system flexibility and robust construction. The ideal choice for professional photovoltaic projects that prioritise reliability, future-proofing and maximum performance.
The REFUsol 350K-8T is a high-performance central inverter with eight MPP trackers, up to 99.05% efficiency and 1,500 V DC – ideal for large commercial and industrial installations.More informationREFUsol 350K-8T – Maximum performance for large-scale projectsThe REFUsol 350K-8T has been specially developed for use in large commercial and industrial PV systems. Eight independent MPP trackers with a total of 32 DC inputs (4 per MPPT) offer maximum flexibility for complex system designs. With an efficiency of up to 99.05% and a wide DC voltage range of 500–1,500 V, the inverter enables efficient system design and maximum energy yields.The robust IP66 enclosure, intelligent air cooling and comprehensive communication options make the 350K-8T the ideal solution for large PV parks, roof clusters and carport installations. Features such as AFCI, PID recovery and integrated surge protection modules (SPD Type II) enhance operational safety and system availability.Highlights8 MPP trackers with a total of 32 DC inputs (4 per MPPT)Max. efficiency 99.05% / EU efficiency 98.8%Integrated I-V curve scan & intelligent string protectionIntegrated AFCI (arc fault detection) & PID recoveryWide DC input range: 500–1,500 V / MPPT range 860–1,300 VIP66 protection rating with intelligent air cooling (< 60 dBA)Communication via RS485, USB, Ethernet/WiFi (optional) or integrated PLCLocal operation via LED & Bluetooth app, remote monitoring via REFUview10-year manufacturer’s warrantyTechnical data – REFUsol 350K-8TMax. AC power352 kVA @ 35 °C / 320 kVA @ 45 °C / 295 kVA @ 50 °CMax. output current (AC)254.1 ARated output voltage3P/PE – 800 V (range 640–920 V)Rated output frequency50/60 Hz (range 45–55 / 55–65 Hz)Power factor1 (0.8 inductive … 0.8 capacitive)Recommended PV powerup to 525 kWpMax. input voltage (DC)1,500 VDC operating range500–1,500 VMPPT operating range860–1,300 VNumber of MPP trackers / DC inputs8 MPPT / 32 inputs (MC4)Max. current per MPPT60 AMax. short-circuit current100 ATHDi< 3 %TopologyTransformerlessProtection ratingIP66Operating temperature−30 … +60 °CMax. operating altitude4,000 mDimensions (H × W × D)828 × 1,159 × 366 mmWeight113 kgDisplay / ControlsLED & Bluetooth appCommunicationRS485 / USB / Ethernet / WiFi (optional) / Integrated PLCItem number850P350Warranty10 yearsSafety & ConnectivityThe REFUsol 350K-8T offers comprehensive safety through integrated protection mechanisms against anti-islanding, DC reverse polarity, reverse current, earth fault, overtemperature, overvoltage and overcurrent. In addition, SPD Type II (DC & AC), AFCI and PID recovery are integrated as standard. Local operation is via LEDs and a Bluetooth app, whilst remote monitoring is conveniently possible via the REFUview platform.ApplicationsLarge commercial and industrial facilitiesOpen-space parks with multiple orientationsCarport and industrial roof clustersRepowering and expansion of existing PV systemsConclusionThe REFUsol 350K-8T combines maximum efficiency, advanced safety features and intelligent diagnostic options. A future-proof choice for large-scale professional PV projects that prioritise maximum performance, durability and connectivity.
The REFUsol 110K-10T is an efficient 100 kW string inverter featuring ten MPP trackers, 150% DC derating and IP66 protection – ideal for large commercial and industrial installations.More informationREFUsol 110K-10T – Maximum efficiency and flexibilityWith its ten independent MPP trackers, the REFUsol 110K-10T offers maximum freedom in system planning – perfect for complex rooftop and ground-mounted configurations. Thanks to 150% DC derating and an efficiency of up to 98.6%, the inverter achieves optimal energy yields even in demanding projects. The robust IP66 housing, active cooling and comprehensive communication options ensure a durable and networked solution.Highlights10 independent MPP trackers for flexible system design150% DC overload capacity for maximum energy yieldEfficiency up to 98.6% / EU efficiency 98.3%Integrated PID recovery and AFCI protectionCommunication via RS485, USB, Ethernet or optional WiFiOnline monitoring via the REFUview platformIP66 protection rating, active cooling and low-noise operation (< 60 dBA)10-year manufacturer’s warrantyTechnical data – REFUsol 110K-10TRated power (AC)100 kWMax. AC power110 kVA (@ 45 °C) / 100 kVA (@ 50 °C)Recommended PV powerup to 150 kWpMax. input voltage (DC)1100 VOperating voltage range (DC)180 – 1000 VMPPT operating range500 – 890 VNumber of MPP trackers10Max. current per MPPT40 AMax. short-circuit current50 AMax. output current167.2 A @ 380 V / 159.5 A @ 400 VMains connection3P/N/PE – 380/400/415 V, 50/60 HzPower factor1 (0.8 inductive … 0.8 capacitive)TopologyTransformerlessProtection classIP66CoolingActiveDimensions (H × W × D)695 × 970 × 325 mmWeight75 kgItem number854P110Warranty10 yearsSafety & CommunicationThe REFUsol 110K-10T is equipped with an integrated DC switch, Type II surge protection (DC & AC), anti-islanding, DC reverse polarity protection, overcurrent and earth fault protection, as well as temperature monitoring. Communication is via RS485, USB, Ethernet or optional WiFi. All operating data can be conveniently monitored and analysed via the REFUview platform.ApplicationsCommercial rooftop systemsMedium-sized industrial installationsGround-mounted projects and carport solutionsRepowering and modernisation of existing systemsConclusionThe REFUsol 110K-10T combines maximum efficiency, flexible planning and modern communication technology. It is the ideal solution for specialist companies that value robust technology and easy integration into large photovoltaic systems.
The REFUsol 125K-10T is a highly efficient 110 kW string inverter featuring ten MPP trackers, 150% DC derating and IP66 protection – ideal for large commercial and industrial PV systems.More informationREFUsol 125K-10T – Maximum performance for large PV systemsThe REFUsol 125K-10T has been specially developed for large-scale commercial and industrial installations. With ten independent MPP trackers, up to 150% DC overload capacity and an efficiency of up to 98.6%, the inverter achieves excellent yields even under demanding conditions. The IP66 aluminium housing with active cooling ensures durability, safety and reliable operation in all weather conditions.Highlights10 MPP trackers for maximum flexibility in large installations150% DC oversizing for higher energy yieldsEfficiency 98.6% / EU efficiency 98.3%Integrated PID recovery & AFCI protectionCommunication via RS485, USB, Ethernet or optional WiFiOnline monitoring via the REFUview platformIP66 protection rating and active cooling for maximum reliability10-year manufacturer’s warrantyTechnical data – REFUsol 125K-10TRated power (AC)110 kWMax. AC power125 kVA (@ 45 °C) / 110 kVA (@ 50 °C)Recommended PV powerup to 165 kWpMax. input voltage (DC)1100 VOperating voltage range (DC)180 – 1000 VMPPT operating range500 – 890 VNumber of MPP trackers10Max. current per MPPT40 AMax. short-circuit current50 AMax. output current190 A @ 380 V / 181.2 A @ 400 VMains connection3P/N/PE – 380/400/415 V, 50/60 HzPower factor1 (0.8 inductive … 0.8 capacitive)TopologyTransformerlessProtection classIP66CoolingActive (fan-assisted)Dimensions (H × W × D)695 × 970 × 325 mmWeight75 kgItem number854P125Warranty10 yearsSafety & CommunicationThe REFUsol 125K-10T features comprehensive safety functions: integrated DC switch, Type II surge protection (DC & AC), anti-islanding, reverse polarity and earth fault protection, as well as overcurrent and temperature monitoring. Communication is via RS485, USB, Ethernet or optional WiFi. All performance and operating data can be monitored and analysed in real time via the REFUview platform.ApplicationsLarge commercial and industrial facilitiesOpen spaces with varying orientationsCarports, hall roofs and solar parksRepowering and modernisation of existing systemsConclusionThe REFUsol 125K-10T combines maximum efficiency, flexible configuration and future-proof communication. A reliable, high-performance solution for modern large-scale PV systems that require maximum energy yield and safety.
The REFUsol 20K-2T is a powerful, compact inverter with two MPP trackers and an efficiency of up to 98.6% – ideal for commercial and industrial photovoltaic systems.More informationREFUsol 20K-2T – New flexibility meets compatibilityThe REFUsol 20K-2T inverter offers a forward-looking solution for small to medium-sized PV projects. With its two independent MPP trackers, it allows flexible adaptation to different roof pitches and system designs. Thanks to its compact design and high power density, the unit is suitable for both rooftop and ground-mounted systems.Integration into existing systems is straightforward via Ethernet or a WiFi logger (optional). The inverter can be conveniently monitored remotely via the REFUview online platform – including a modern user interface, performance analysis and system overview throughout the entire warranty period.Key features2 independent MPP trackers for flexible string configurationMax. efficiency: 98.6% / European efficiency: 98.2%Long-term overload capacity up to 110%Compatible with older REFUsol inverters – ideal for repoweringIntegrated DC switch and comprehensive protection functionsIP65 protection rating for indoor and outdoor useIntegration via RS485, USB, Ethernet or WiFi (optional)Warranty: 10 yearsTechnical data – REFUsol 20K-2TItem no.853P020Recommended PV output (kWp)30Max. input voltage (V)1100Nominal input voltage (V)650Number of MPP trackers2Max. current per MPPT (A)26DC connectionMC4Rated power (kW)20Max. AC power (kVA)22Max. output current (A)31.9Rated output voltage (V)3P/N/PE: 230/400TopologyTransformerlessProtection classIP65Dimensions (H × W × D)430 × 520 × 189 mmWeight22 kgCoolingFanNoise level< 40 dBAMax. operating temperature+60 °C (derating > 45 °C)Protection functionsAnti-islanding, DC reverse polarity, overvoltage, overcurrent, earth fault, overtemperatureCertificatesVDE-AR-N 4105, EN 50549, CEI 0-21, G98/G99, etc.Interfaces & communicationRS485 / USB: integratedEthernet / WiFi: optional (item no. 924024 / 924025)Compatible with REFUview online monitoringThe REFUsol 20K-2T combines efficiency, compatibility and future-oriented technology in a compact unit – the perfect choice for commercial PV systems and repowering projects.
Solrif blind modules
Black dummy module in the form of a Sonnenstromfabrik M60 photovoltaic module. Dummy modules are used to cover gaps in the roof, such as chimneys, dormers or skylights. A dummy module does not generate electricity.
Blind modules that can be cut to size to fit any module shape, in the right colour and size for seamless transitions around chimneys, dormers and skylights. Blind modules do not generate electricity.
All products
ActivGlass BC Full Black
Das Activ’Glass Solrif BC Full Black 440 Wp ist ein leistungsstarkes Indach-Photovoltaikmodul mit IBC-Zelltechnologie und vollflächig mattschwarzer Optik. Es verbindet höchste Effizienz mit Premium-Design und ist für das Solrif®-System von Ernst Schweizer AG ausgelegt.Mehr InformationenProduktvorteile440 Wp ModulleistungIBC-Technologie (Rückseitenkontakt) – keine sichtbaren Leiterbahnen132 monokristalline Halbzellen (N-Type)23,4 % Wirkungsgrad (bezogen auf aktive Glasfläche)Mattschwarze Full-Black OptikHagelklasse HW5 (VKF-zertifiziert)Extrem robustes 4 mm ESG-GlasDIBt- und TÜV-zertifiziertes Solrif®-System30 Jahre Produkt- und LeistungsgarantieTechnische Daten (STC)Modulleistung440 Wp (0 ~ +5 W)Wirkungsgrad23,4 %Leerlaufspannung (Voc)47,52 VMPP-Spannung (Vmpp)40,92 VKurzschlussstrom (Isc)11,68 AMPP-Strom (Impp)10,86 AMax. Systemspannung1500 V DCSchutzklasseIP68Mechanische EigenschaftenAbmessungen (mit Rahmen)1920 × 1065 × 17 mmAktive Glasfläche1860 × 1023 × 5,2 mmGewichtca. 23,5 kgGlas4 mm ESG, hochtransparentRahmenSolrif N (patentiert)Mechanische Festigkeitbis 7.400 PaSystem & MontageDas Modul ist für das patentierte Solrif®-Indachsystem von Ernst Schweizer AG ausgelegt. Es ermöglicht sowohl eine teilflächige als auch vollflächige Dachintegration. Hindernisse wie Dachfenster, Gauben oder Schornsteine können mithilfe passender Blindmodule elegant eingebunden werden.Design & TechnologieDank IBC-Rückseitenkontakttechnologie erscheinen die Zellen vollständig homogen und mattschwarz – ohne sichtbare Leiterbahnen. Das Modul unterstreicht die Architektur anspruchsvoller Gebäude und eignet sich ideal für hochwertige Wohn- und Gewerbebauten.Garantie30 Jahre Produktgarantie30 Jahre lineare Leistungsgarantie90 % Restleistung nach 30 JahrenHäufige Fragen zum Activ’Glass Solrif BC Full Black 445 WpIst das Modul für Indach-Systeme geeignet?Ja. Das Activ’Glass Solrif BC Full Black ist speziell für das patentierte Solrif®-Indachsystem von Ernst Schweizer AG entwickelt und ermöglicht eine vollflächige oder teilflächige Dachintegration.Was bedeutet IBC-Technologie?IBC (Interdigitated Back Contact) bedeutet, dass sich die Zellkontakte auf der Rückseite befinden. Dadurch entstehen keine sichtbaren Leiterbahnen – das Modul wirkt homogen mattschwarz und erzielt gleichzeitig eine hohe Effizienz von bis zu 23,4 %.Wie widerstandsfähig ist das Modul gegen Hagel?Das Modul ist VKF-zertifiziert nach Hagelklasse HW5 und erfüllt höchste Anforderungen an mechanische Belastbarkeit.Welche Garantie bietet Activ’Glass?Sie erhalten 30 Jahre Produktgarantie sowie 30 Jahre lineare Leistungsgarantie mit mindestens 90 % Restleistung nach 30 Jahren.Eignet sich das Modul für anspruchsvolle Architektur?Ja. Durch die Full-Black-Oberfläche ohne sichtbare Leiterbahnen ist das Modul ideal für hochwertige Wohn- und Gewerbeobjekte mit architektonischem Anspruch.
APsystems 2m DC extension cable (MC4)
The APsystems 2-metre DC extension cable provides a safe, robust and compatible connection for photovoltaic installations – ideal for extending or routing PV module cabling flexibly.More informationRobust, safe and reliableThe APsystems DC extension cable is fitted with a permanently attached MC4 connector and has been specially developed for use in solar installations. The high-quality construction ensures maximum safety and a long service life – even under demanding installation conditions.Fixed connection between cable and connector – prevents detachment and offers increased tensile strength.Tensile strength up to 100N (60 seconds) – ideal for installations subject to tensile loads or cable runs over longer distances.Precision manufacturing – pins are concentric, preventing incorrect insertion or reversed polarity.High compatibility – suitable for PV modules and micro-inverter systems with MC4 connectors.ApplicationsThe cable is suitable for:Extending PV module connectionsOptimised cable routing for micro-invertersRetrofits or system extensionsTechnical dataLength: 2 metresConnector type: MC4 compatibleTensile strength: 100N for 60 secondsItem number: 2310360214The DC extension cable is a reliable solution for professional PV installations and ensures safe and durable connections.
APsystems 40A AC connector (EN, 5-core, plug)
The APsystems 40A AC connector (EN, 5-core, plug) is a high-quality, robust AC connector designed to securely connect APsystems micro-inverters to the three-phase 5-core AC bus cable. It ensures a reliable, durable and standards-compliant electrical connection – ideal for professional use in commercial and domestic installations.More informationFunction & ApplicationThis 40A plug is used to connect APsystems micro-inverters directly to the 5-core AC bus cable. The connector is manufactured to European standards, offers high current-carrying capacity and maximum operational reliability. It is fully compatible with the APsystems QT series and other three-phase installations.Key benefits40A rated current – ideal for high-power micro-inverter systemsIP67 protection rating – watertight when fully connectedHigh electrical safety:Rated voltage: 600 V ACContact resistance ≤ 50 mΩInsulation resistance ≥ 500 MΩTest voltage: 3000 VRobust mechanics – ≥ 500 mating cyclesCompatible with cable cross-sections 2.5–10 mm²Quick, tool-free installationTechnical dataTypeAC connector (5C, 40A, male)Item number2301511002Rated voltage600 VRated current40 ACable cross-section2.5 – 10 mm²Protection classIP67 (when fully connected)Operating temperature−40 °C to +105 °CMating cycles≥ 500Dimensions105.4 mm length × Ø 47.1 mmStandard/TypeEN200-2105-101-02ApplicationsThree-phase APsystems QT-2 and QT series5-core APsystems AC bus cable installationsCommercial & industrial PV projectsPV system extensions or replacement of faulty connectorsContents1× APsystems AC connector 40A (male) – suitable for 5C bus cables.
APsystems 40A AC connector (EN, 5-pin, female)
The APsystems 40A AC connector (female) serves as a reliable, weatherproof connection component for 5-core AC bus cables in APsystems PV installations. It is paired with the compatible 40A plug and ensures a secure, mechanically robust and permanently sealed connection in the AC string.More informationHighlightsFor 5-core AC bus cables (L1, L2, L3, N, PE)40A rated current – ideal for high-power micro-inverter systemsIP67 protection rating after connection – waterproof up to 1m / 30minHigh electrical safety thanks to 600V rated voltage & high insulation valuesRobust construction – at least 500 mating cyclesSuitable for conductor cross-sections of 2.5–10 mm²Technical dataRated voltage600 V ACRated current40 AContact resistance≤ 50 mΩInsulation resistance≥ 500 MΩTest voltage3000 V ACCable cross-section2.5 – 10 mm²Protection ratingIP67 (locked/plugged)Operating temperature-40°C to +105°CDimensionsLength approx. 107.8 mm · Ø 47.1 mmPart numberEN200-2205-101Item number2301512002ApplicationThe AC connector (socket) is used to connect the AC bus cable to APsystems micro-inverters, as well as extension and connection cables. It is compatible with the 40A AC plug from the same series.Safety & ReliabilityThanks to its high protection rating, robust materials and excellent electrical performance, the connector meets all the requirements for a professional PV installation. The connector is protected against moisture, dust and extreme temperature fluctuations.
APsystems APbattery 10.24 kWh – 51.2 V storage system
The APsystems APbattery 51.2 V / 10.24 kWh is a modular LiFePO4 energy storage system for single-phase and three-phase PV systems. When used in conjunction with APsystems ELT storage inverters, it enables a high self-consumption rate, peak load shaving and reliable energy management for both residential and commercial applications.More informationHighlights10.24 kWh usable capacity at 51.2 V nominal voltage (low-voltage system)LiFePO4 technology – high cycle stability, high safety, no cobaltModularly expandable by connecting multiple battery modules in parallelOptimal compatibility with APsystems ELT-12-EU and other APstorage componentsIntegrated BMS (Battery Management System) for cell balancing, overcurrent, short-circuit and temperature protectionCompact, stackable design for space-saving wall or floor mountingSuitable for optimising self-consumption, emergency power and backup solutionsLow-maintenance operation and long service life with several thousand charge cyclesTechnical data (excerpt)Nominal voltage51.2 V (low-voltage LiFePO4)Rated capacity10.24 kWhNominal charge/discharge currente.g. 100 A (depending on system configuration)TechnologyLithium iron phosphate (LiFePO4)Recommended operating temperature rangetypically 0 … +50 °C (charging) / −10 … +50 °C (discharging)Enclosure protection classIP protection rating suitable for indoor use (e.g. IP20/IP21, depending on the model)CommunicationCAN / RS485 for connection to APsystems inverters and energy managementInstallationFloor or wall mounting, stackable systemWarranty (manufacturer)Long-term product and performance warranty in accordance with APsystems terms and conditionsSafety & System IntegrationThe integrated Battery Management System (BMS) monitors the voltage, current, temperature and SoC of each cell and reliably protects the APbattery against overcharging, deep discharge, short circuits and overheating. In conjunction with APsystems storage inverters, communication takes place digitally via CAN / RS485, ensuring that charging and discharging power are optimally regulated.Thanks to its low-voltage design (51.2 V), the system meets high safety requirements and is ideal for residential buildings, smaller commercial premises and technical rooms with limited space.ApplicationsOptimisation of self-consumption in single-family and multi-family homesPV storage systems in small commercial premises, e.g. offices, medical practices, small businessesBackup and emergency power solutions in conjunction with suitable APsystems invertersLoad management, peak shaving and time-variable tariffsExpansion of existing APsystems storage solutionsBenefits for specialist companies & operatorsAll-in-one system: APbattery + APstorage ELT series + APsystems micro-invertersStraightforward commissioning via manufacturer-specific tools and appsModular scalability for future power requirementsHigh operational reliability and transparent monitoringWe would be happy to assist you in determining the appropriate storage capacity, combining it with APsystems inverters, and planning complete PV storage systems.
APsystems cover cap for the AC bus cable connector (Y-connector)
The APsystems cover cap for the Y-connector socket on the AC bus cable reliably protects unused connectors from moisture and dirt, ensuring a safe and long-lasting installation.More informationReliably protects unused Y-connectionsThe APsystems Y-Conn Cap is specifically designed to seal unused branches on the APsystems AC bus cable. It prevents the ingress of moisture, dust and other environmental factors, and contributes significantly to electrical safety and the longevity of the entire system.Key benefitsWatertight seal for unused Y-connection socketsProtects against the elements and increases system reliabilityEasy installation – quick fitting without toolsPrecisely fitted for APsystems AC bus cables (Y-connector)Robust construction for long-term outdoor useTechnical specificationsAPsystems part number: 2061702007 (Y-Conn Cap)Dimensions as per drawing (W x H): approx. 41.5 mm x 32.5 mmInner diameter at top: approx. 13 mmSide width: approx. 17.5 mmMaterial: UV-resistant plasticProtective function: Sealing of unused AC bus cable Y-connectionsApplicationThe cover cap is used to securely seal an open Y-branch of the APsystems three-phase AC bus cable. Ideal for installations with QT2 micro-inverters or other compatible APsystems three-phase components.NoteThe cover cap is suitable exclusively for APsystems Y-connector bus cables – not compatible with T-connectors or single-phase bus cables.
APsystems DC connector cap (MC4) – Protective cap for unused DC connectors
The APsystems DC connector cap (MC4) reliably protects unused DC sockets in PV installations from moisture, dust and dirt. It simply slots onto the open MC4 socket, providing a secure, weatherproof seal – ideal for clean, long-lasting solar system installations.More informationWhy a DC connector cap is importantExposed MC4 sockets can corrode or become contaminated over time. This compromises electrical safety and can lead to power losses. The APsystems DC connector cap prevents exactly that: it reliably seals the socket and protects against environmental influences.Technical specificationsProtection rating: IP67 – fully dust-tight and protected against temporary submersionMaterial: Weather-resistant plastic (PV-SVK4) MC4-compatible: suitable for standard DC sockets in PV systemsApplications: PV modules, extension cables, inverter DC inputsDimensions as per technical drawingCap diameter: approx. 19 mmLength: approx. 28.3 mmEyelet: 3.2 mm (for optional securing) Advantages of the APsystems DC connector capReliably protects open MC4 sockets from external influencesHigh level of sealing thanks to integrated sealSimple, tool-free installationDurable material suitable for outdoor useApplicationsIdeal for installations where a DC connector is not in use – e.g. for modular extensions, maintenance work or open spare connections.The APsystems DC connector cap (MC4) provides reliable protection for unused DC sockets and is an essential accessory for durable and safe PV installations.
APSystems ECU-C – Communication gateway for micro-inverters
The APSystems ECU-C is the intelligent communication gateway for APsystems micro-inverters. It collects detailed performance data at module level, enables precise real-time system monitoring and offers advanced control functions such as dynamic feed-in limitation and consumption metering.More informationHighlights of the ECU-CReal-time monitoring of every single micro-inverterZigBee communication with up to 100 invertersAdvanced energy analysis via EMA Web & AppIntegrated measurement of PV yield, consumption and grid feed-inDynamic feed-in limitation (0–100%)Control of external loads (e.g. boilers) via relaysLAN & Wi-Fi – flexible network connectivitySimple installation & intuitive initial configuration3-year manufacturer’s warrantyTechnical dataCommunication (WR → ECU)ZigBee 2.4 GHzMax. number of WRup to 100Communication (ECU → EMA)Ethernet / Wi-FiUSB outputs2× 5V DC, 0.5ARS232 / RS485StandardPower consumption3 WPower supply110–277 VAC or 12–16 V DCDimensions (L×W×H)210 × 120 × 41 mmWeight0.5 kgOperating temperature–40 °C to +65 °CProtection ratingIP20 (indoor use)Warranty3 yearsApplicationsResidential and commercial installations with APsystems micro-invertersModule-level monitoringLoad management & self-consumption optimisationDynamic feed-in limitation (e.g. 70% rule)Your benefits with the ECU-CThe ECU-C offers full transparency and control over your photovoltaic system – from the output of individual modules to grid parameters. Ideal for installers, operators and sophisticated system designs.The APSystems ECU-C communication gateway is the indispensable link between your micro-inverters and the EMA monitoring platform. It ensures precise real-time monitoring, secure data transmission and intelligently controlled energy flows – perfect for modern solar projects.
APsystems ELT-12-EU – 12 kW 3-phase hybrid inverter
The APsystems ELT-12-EU is a high-performance, three-phase AC-coupled energy storage system for residential photovoltaic installations. It enables efficient charging and discharging of low-voltage batteries, increases the self-consumption rate and provides a reliable emergency power supply – making it ideal for retrofitting or expanding existing PV systems.More informationModern energy management for maximum independenceThe ELT series has been specially developed for residential solar installations and combines intelligent energy control, high safety standards and flexible application options. The system delivers up to 12,000 VA of power in normal operation and provides up to 18,000 VA in the event of an emergency power cut. This ensures that essential loads remain reliably supplied even during a power cut.3-phase AC-coupled battery inverterFor 48 V low-voltage batteries – particularly safe & easy to installOptimisation of self-consumption rate through intelligent PV managementEmergency power & off-grid function for maximum supply reliabilityReal-time monitoring via the APsystems platform (EMA)Compact design – ideal for detached housesWhy choose the ELT series?With intelligent energy management software, the system automatically adapts to your consumption profiles, solar output and – where available – dynamic electricity tariffs. This ensures you always use your solar power at the best time – for maximum savings and efficiency.Peak shaving: reducing peak loads to lower electricity costsSmart time control: charging when tariffs are low, discharging when prices are highUse more solar power: store during the day, use in the eveningEasy retrofitting: Compatible with almost all existing PV systemsSafe 48 V technology: protection class optimised for residential useEmergency power & off-grid functionIn the event of a power cut, the ELT-12 automatically takes over the supply to critical loads. This makes it ideal for households requiring a high level of supply reliability.Immediate switchover to off-grid modeUp to 18 kVA emergency power outputStable supply across all three phasesRemote configuration & supportThe entire system can be conveniently configured remotely via the APsystems cloud platform (EMA). Firmware updates, diagnostics and settings can be carried out without a technician’s visit – ideal for installers and operators.Remote firmware updatesOnline monitoring of PV yield, consumption & grid powerCloud-based system management for installersTechnical highlightsRated power: 12,000 VAEmergency power output: up to 18,000 VABattery voltage: 48 V (low voltage)System type: 3-phase, AC-coupledCommunication: WiFi / LAN / Cloud monitoringYour benefits with APsystems ELT-12-EUWith the ELT-12-EU, you get a reliable, safe and future-proof energy storage system that is optimally designed for homes. It increases your self-consumption, protects against power cuts and can be easily integrated into existing PV systems.
APsystems end cap for 5-core bus cable (2.5 mm²)
The APsystems end cap for 5-core AC bus cables is an essential accessory for the safe, compliant and durable installation of APsystems micro-inverter systems. It has been specially designed for 5-core bus cables with a conductor cross-section of 2.5 mm² and reliably protects the cable end from environmental influences.More informationWhy an end cap is necessaryExposed cable ends pose a safety risk – particularly in outdoor environments. The end cap seals the bus cable watertight and prevents the ingress of moisture, dust or dirt. This enhances the operational safety of the entire PV installation and effectively prevents corrosion.Advantages of the APsystems end capPerfectly matched to the APsystems 5-core AC bus cable with 2.5 mm² (H07)Watertight seal to protect against weather and environmental influencesQuick installation without special tools – ideal for installersDurable materials for long-term outdoor useIncreased operational reliability thanks to professional cable terminationTypical applicationThe end cap is fitted at the end of a cable run of the APsystems 3-phase bus cable – for example, in systems with QT2 micro-inverters. It ensures that the final bus cable port is permanently protected and terminated in accordance with standards.CompatibilityAPsystems AC bus cable, 5-core, 2.5 mm² (H07)Suitable for APsystems 3-phase micro-inverters (e.g. QT2 series)Not suitable for 4 mm² bus cables (separate end cap required)Warranty & DurabilityThe end cap is designed for long-term outdoor use and contributes significantly to the safety and reliability of the entire PV system.
APsystems female connector for DC plug (MC4)
The APsystems socket cap for DC connectors (MC4) is an essential protective accessory for securely sealing unused MC4 connectors and providing reliable protection against environmental influences.More informationKey featuresProtects unused MC4 connectors from dust, moisture and dirtIncreases operational reliability and extends the service life of the PV installationRobust construction for long-term outdoor useEasy installation – simply plug in, lock into place, and you’re doneCompatible with all standard MC4 connectorsApplicationThe socket cap is used to securely cover an unused MC4 connector. Ideal for modular expansion of PV systems, for spare connections or for the temporary decommissioning of individual strings.Benefits for installers & operatorsProtects against corrosion and contact damagePrevents unwanted electrical contactHelps ensure compliance with safety-related installation standardsQuick to replace during future expansionsTechnical informationType: MC4 socket capApplication: Indoor & outdoorInstallation: Plug onto an unused MC4 connector
APsystems Instrument Transformer (200A/66.6mA)
The APsystems current transformer (200A/66.6mA) enables precise measurement of current values in three-phase or single-phase PV systems and is ideal for feed-in control and energy management with the APsystems ECU-C.More informationProduct overviewThe APsystems current transformer (type XH-SCT-T24/200) is designed for high-precision current measurement in photovoltaic systems. It is typically used in conjunction with the APsystems ECU-C communication gateway to reliably monitor grid load, consumption and feed-in. With a rated current measurement of up to 200A and a secondary current of 66.6mA, it provides precise data for dynamic power control.Key featuresRated current: 200ASecondary current: 66.6mAType: XH-SCT-T24/200Cable length: 1 m (UL1015, 24 AWG)Two-wire signal cable: White (S1) and Black (S2)Mounting: Snap-on connector – quick installation possibleApplication: Consumption and feed-in metering for PV systemsTechnical dataDimensions: approx. 66.8 mm height, 34.2 mm width, 49.8 mm depth (see drawing)Cable routing: suitable for typical domestic connection cablesSafe and robust: designed for long-term useAreas of applicationThe measuring transformer is used for:Measuring the domestic grid load for feed-in managementMonitoring consumption values in real timeDynamic control of APsystems micro-inverters via ECU-CLoad management and prevention of grid backflowContents1× APsystems current transformer (200A/66.6mA)Fixed connection cable (1 m, 24 AWG)NoteThe current transformer is intended exclusively for use with compatible APsystems energy management systems and must only be installed by qualified electricians.
APsystems QT2 – 3-phase micro-inverter for 4 modules
The APsystems QT2 is a high-performance three-phase quad micro-inverter, designed for modern PV systems with high module power ratings. With up to 2,000 VA of continuous AC output power, two MPPT trackers and four independent input channels, the QT2 offers maximum flexibility combined with the highest level of safety – ideal for commercial applications, solar carports and demanding residential installations.More informationMaximum safety & efficiencyThe APsystems QT2 is fully encapsulated and operates at low DC voltage, which significantly increases safety compared to traditional string systems. An integrated protection relay and IP67/NEMA 6 protection rating ensure maximum robustness and durability, even under demanding weather conditions.4 inputs for modules up to 500–600 W2 MPPTs for optimal yield maximisationSymmetrical 3-phase AC outputEncrypted ZigBee communicationUp to 20-year warranty (manufacturer’s specification)Low DC input voltage for maximum personal safetyQuick and easy to installThanks to its plug-and-play design, standardised accessories and identical cabling systems, the QT2 can be installed particularly quickly – without the need for a DC string design. The solution significantly reduces installation errors, stockholding costs and installation times (according to product documentation, pages 2–3) [oai_citation:0‡APsystems Commercial Flyer - DE.pdf](sediment://file_0000000031ac71f49734d9fc4a702804).Intelligent real-time monitoringVia the APsystems ECU-R / ECU-C (Energy Communication Units), the QT2 provides comprehensive panel monitoring. The EMA Monitoring Platform and app offer:Real-time monitoring at module levelRemote maintenance, fault alerts & diagnosticsOnline layout & configuration functionsOptional: consumption & grid data (with ECU-C)Ideal for commercial applications, carports & challenging rooftopsThe APsystems QT2 has been specifically designed to meet the requirements of high-performance PV modules. According to the datasheet, it is particularly suitable for solar carports, multi-family homes, complex roof orientations and commercial installations (page 2) [oai_citation:1‡APsystems Commercial Flyer - DE.pdf](sediment://file_0000000031ac71f49734d9fc4a702804).Technical highlights (excerpt)Max. continuous AC output power2000 VAMPPT tracker2Inputs4 Module connectionsCommunicationZigBee (encrypted)Protection classIP67 / NEMA 6InstallationOutdoor, optimised heat dissipationWarrantyUp to 20 years (manufacturer)Further technical details available on request or in the official data sheet.
APsystems release mechanism for AC bus cables (5-core)
The APsystems release mechanism allows the connection between the micro-inverter and the 5-core AC bus cable to be disconnected safely and easily – ideal for installers and service calls.More informationWhat does the release tool do?The release tool has been specially developed for the APsystems 5-wire AC bus cable and enables quick, damage-free disconnection of the connectors. It ensures that installations or maintenance work can be carried out efficiently and safely.Features & BenefitsSafe release of the micro-inverter from the AC bus cableSpecially designed for 5-wire APsystems bus cablesPrevents damage to plugs and socketsFacilitates maintenance, replacement or expansion of the systemRobust construction made from durable PBT plasticCompatibilityThis tool is compatible with all APsystems 5-wire AC bus cable systems and latest-generation micro-inverters (e.g. QT2 series).Technical specificationsMaterial: PBT (high-quality, durable plastic)Colour: BlackItem number: 2353000002Product type: 5C Connector Unlock Tool
APsystems Signal Amplifier
The APsystems signal booster ensures stable and reliable communication between your ECU gateway and the micro-inverters – ideal for larger installations, complex building layouts or long distances.More informationWhy a signal booster is importantIn PV installations, signal loss can occur due to long distances, concrete walls, metal structures or sources of interference. The APsystems signal booster extends the range of wireless Zigbee communication and ensures that all micro-inverters remain reliably connected to the ECU.Key features & benefitsImproved wireless range for stable data transmissionIEEE 802.11b/g/n – compatible with proven wireless standardsOperating frequency 2400–2500 MHz (Zigbee/Wi-Fi range)Ideal for large or complex installationsPlug-and-play installation – ready for immediate useParticularly suitable for use with ECU-C and ECU-RTechnical dataModelAPsystems Signal Booster (EU)StandardIEEE 802.11b/g/nFrequency range2400–2500 MHzCompatibilityECU-C, ECU-R, ECU-BItem number2376010003InstallationIndoor useApplicationsLarge commercial installationsFacilities comprising multiple building sectionsInstallations with radio obstacles (concrete ceilings, steel halls, etc.)Optimisation of ECU-C or ECU-R communicationScope of deliveryAPsystems signal amplifierMains adapterQuick start guideConclusionThe APsystems signal booster is the perfect addition to PV systems where a stable Zigbee wireless connection is required. It increases range, reliability and communication quality – a small accessory with a big impact on the entire monitoring system.
APsystems three-phase 5C bus cable (2.5 mm², H07, 2.4 m)
The APsystems 3-phase 5C bus cable (2.5 mm², H07RN-F) provides a reliable connection between APsystems micro-inverters and the mains supply. With its robust construction, integrated connectors spaced 240 cm apart and standard-compliant colour coding, it is ideal for commercial and industrial PV installations.More informationHighlightsThree-phase 5-core AC bus cable for APsystems micro-inverters2.5 mm² H07RN-F – robust, UV-resistant and suitable for outdoor use2.4 m plug spacing, ideal for uniform module rowsOne cable set contains 40 pre-assembled connectorsStandard-compliant colour coding: brown (L1), black (L2), grey (L3), blue (N), green/yellow (PE)IP67 connectors – high water resistance & safety marginsMechanically robust: ≥250 mating cyclesTechnical dataCable typeH07RN-F, 5-core, 2.5 mm²Cable length per segment2.4 m (connector spacing)Number of connectors40 per cable harnessContact resistance< 20 mΩInsulation resistance≥ 500 MΩDielectric test4000 V DC / 60 sProtection classIP67Connector service life≥ 250 mating cyclesColour codingBrown = L1Black = L2Grey = L3Blue = NeutralGreen/Yellow = EarthApplicationsCommercial & industrial photovoltaic systemsCabling of APsystems micro-inverters (QT series)Three-phase modular feed-in systemsSeries cabling of large module arraysConclusionThe APsystems 3-phase 5C bus cable is the robust, safe and efficient solution for professional PV installations with micro-inverters. Thanks to high-quality materials, IP67 connectors and optimal length, it ensures a reliable and long-lasting AC connection.
Diamond M108 Solar Panel | balance DIBt | 445 Wp | Transparent | 35 mm frame
The Sonnenstromfabrik Diamond M108 balance DIBt 445 W is a high-quality glass-glass photovoltaic module featuring bifacial cell technology and certified building authority approval. Thanks to the transparent spaces between the cells, the module is ideally suited to demanding architectural applications such as overhead glazing, carports, terraces or façade solutions.Thanks to DIBt approval, the module meets the highest safety requirements for use in building integration. The robust glass-on-glass construction, featuring 3 mm thick solar glass on both sides, ensures an exceptionally long service life and high mechanical resilience – even under extreme environmental conditions.More informationProduct features445 W output with monocrystalline bifacial high-performance cellsDIBt-certified for overhead glazing and BIPV applications3% transparency for translucent applicationsGlass-glass module with 2 x 3 mm tempered solar glassAnti-reflective coated glass for optimal light utilisationHigh mechanical load capacity up to 8,100 PaPID-free cell technology for long-term yieldsOptimised for low-light conditions for maximum energy yieldMade in Germany – highest quality standardsElectrical data (STC)Maximum power (Pmax): 445 WOpen-circuit voltage (Voc): 38.66 VVoltage at maximum power (Vmpp): 32.88 VShort-circuit current (Isc): 14.56 ACurrent at maximum power (Impp): 13.56 AModule efficiency: 22.3%Power tolerance: 0 / +4.99 WMaximum system voltage: 1000 VMechanical dataDimensions: 1740 × 1145 × 35 mmWeight: approx. 37 kgCell type: monocrystalline bifacialNumber of cells: 108 half-cut cellsFront and rear glass: tempered solar glass (3 mm each)Frame: anodised aluminium, 35 mmJunction box: IP65 / IP68Connector: MC4Operating temperature: -40 °C to +85 °CSnow load: up to 5,400 PaWind load: up to 2,400 PaMaximum test load: 8,100 PaWarranty and quality30-year linear performance guarantee (87% residual performance)20-year product warrantyManufactured in accordance with ISO 9001, 14001 and 45001IEC 61215 and IEC 61730 certifiedAmmonia and PID resistantFrequently asked questions about this moduleWhat does DIBt approval mean for PV modules?DIBt approval confirms that the module is approved for building-integrated applications and overhead glazing and meets the highest safety requirements.For which applications is the module particularly suitable?The module is ideal for carports, patio roofs, façades and all BIPV applications with light transmission requirements.What are the benefits of bifacial technology?Bifacial modules also utilise reflected light on the rear side, which can increase energy yield.How durable are glass-glass modules?Thanks to their double-glass structure, these modules are particularly resistant to environmental influences and have a very long service life.
Excellent DIBt 260M48 Transparent Framed (35 mm)
Kleines Modul der Sonnenstromfabrik, das zugelassen ist für Überkopfverglasung. Das Modul hat einen 35-mm-Rahmen und weist hohe Transparenzwerte auf.
Excellent DIBt 330M60 Transparent Framed (35 mm)
Das Sonnenstromfabrik Excellent Glass/Glass M60 DIBt 330 Wp ist ein hochwertiges, rahmenloses Glas-Glas-Photovoltaikmodul mit transparenter Zellmatrix und bauaufsichtlicher DIBt-Zulassung. Es wurde speziell für anspruchsvolle architektonische Anwendungen entwickelt, bei denen neben Stromerzeugung auch Lichtdurchlässigkeit und Design eine zentrale Rolle spielen.Mit einer Transparenz von ca. 10 % eignet sich dieses Modul ideal für Carports, Pergolen, Terrassenüberdachungen oder Gewächshäuser. Die Glas-Glas-Konstruktion sorgt für maximale Langlebigkeit, während die optimierte Zellmatrix eine effiziente Energiegewinnung bei gleichzeitigem Lichtdurchlass ermöglicht.Mehr InformationenProduktmerkmale330 Wp Leistung mit monokristallinen HochleistungszellenDIBt-zertifiziert für Überkopfverglasung und BIPV-AnwendungenCa. 10 % Transparenz für lichtdurchlässige KonstruktionenRahmenloses Glas-Glas-Modul für modernes DesignOptimierte Zellmatrix für Lichtdurchlass und EnergieertragSehr gute Leistung auch bei schwachen LichtverhältnissenAntireflexbeschichtetes SolarglasHohe mechanische Stabilität durch DoppelglasaufbauElektrische Daten (STC)Maximale Leistung (Pmax): 330 WpLeerlaufspannung (Voc): 40,60 VSpannung bei Maximalleistung (Vmpp): 34,09 VKurzschlussstrom (Isc): 10,42 AStrom bei Maximalleistung (Impp): 9,68 AModulwirkungsgrad: 19,4 %Maximale Systemspannung: 1000 VMechanische DatenAbmessungen: 1693 × 993 mmGewicht: ca. 33 kgZelltyp: monokristallinAnzahl Zellen: 60Glas: 3 mm TVG Solarglas (beidseitig)Rahmen: rahmenlosAnschlussdose: IP67 mit 3 Bypass-DiodenSteckverbinder: MC4Betriebstemperatur: -40 °C bis +85 °CSchneelast: bis 1.600 PaWindlast: bis 1.600 PaMaximale Prüflast: 2.400 PaGarantie und Qualität30 Jahre lineare Leistungsgarantie (87 % Restleistung)20 Jahre ProduktgarantieDIBt-Zulassung gemäß bauaufsichtlicher AnforderungenIEC 61215 und IEC 61730 zertifiziertOptimiert für langlebige BIPV-AnwendungenHäufige Fragen zu diesem ModulWas bedeutet DIBt-Zulassung?Die DIBt-Zulassung bestätigt die bauliche Verwendbarkeit des Moduls, insbesondere für Überkopfverglasungen und bauwerksintegrierte Photovoltaik.Wie hoch ist die Lichtdurchlässigkeit?Das Modul bietet eine Transparenz von etwa 10 % und ermöglicht damit eine angenehme natürliche Lichtdurchlässigkeit.Für welche Anwendungen eignet sich das Modul?Ideal für Carports, Pergolen, Terrassenüberdachungen, Gewächshäuser und architektonische PV-Lösungen.Warum Glas-Glas-Technologie?Glas-Glas-Module sind besonders langlebig, widerstandsfähig gegen Umwelteinflüsse und bieten langfristig stabile Erträge.
REFUlink RL-10 – Communication module for REFUsol inverters
REFUlink RL-10The REFUlink RL-10 is the central communication and monitoring unit for photovoltaic systems with REFUsol inverters. It connects different generations of inverters, collects operational data and enables comprehensive system monitoring via REFUview or REFUlog.More informationWhat is the REFUlink?The REFUlink acts as an intelligent interface between inverters and monitoring portals. It ensures reliable data collection, system monitoring and stable communication in PV systems – particularly in systems with a mix of REFUsol inverter generations.HighlightsCentral communication platform for REFUsol invertersData collection and forwarding to REFUview / REFUlog4 digital inputs for power and grid controlSupports USS, MODBUS and RTPIdeal for systems with grid requirements (e.g. active/reactive power control)Compatible with various REFUsol generationsRobust design with metal housingTechnical dataModelREFUlink RL-10Item number924030Power supplyUNO-PS / 1 AC / 24 DC / 30 WAC voltage100–240 VFrequency45–65 HzMax. power consumption>10 WCommunicationRS485, Ethernet, digital inputsProtocolsUSS, MODBUS, RTPMemory16 GBOperating temperature–25 °C to +55 °CProtection classIIIDimensions (W × H × D)115 × 33 × 125 mmWeight< 0.5 kgInstallationIndoor use / wall mountingWarranty2 yearsApplicationsCommercial PV systemsSolar parks with different generations of REFUsol invertersSystems with extended grid requirements (active/reactive power control)Monitoring and remote monitoring solutionsYour benefitsThe REFUlink optimises the monitoring and communication of your photovoltaic system. It ensures reliable data transmission, increases system transparency and enables compliant system control – ideal for professional PV projects.
REFUsol 110K-10T – String inverter
The REFUsol 110K-10T is an efficient 100 kW string inverter featuring ten MPP trackers, 150% DC derating and IP66 protection – ideal for large commercial and industrial installations.More informationREFUsol 110K-10T – Maximum efficiency and flexibilityWith its ten independent MPP trackers, the REFUsol 110K-10T offers maximum freedom in system planning – perfect for complex rooftop and ground-mounted configurations. Thanks to 150% DC derating and an efficiency of up to 98.6%, the inverter achieves optimal energy yields even in demanding projects. The robust IP66 housing, active cooling and comprehensive communication options ensure a durable and networked solution.Highlights10 independent MPP trackers for flexible system design150% DC overload capacity for maximum energy yieldEfficiency up to 98.6% / EU efficiency 98.3%Integrated PID recovery and AFCI protectionCommunication via RS485, USB, Ethernet or optional WiFiOnline monitoring via the REFUview platformIP66 protection rating, active cooling and low-noise operation (< 60 dBA)10-year manufacturer’s warrantyTechnical data – REFUsol 110K-10TRated power (AC)100 kWMax. AC power110 kVA (@ 45 °C) / 100 kVA (@ 50 °C)Recommended PV powerup to 150 kWpMax. input voltage (DC)1100 VOperating voltage range (DC)180 – 1000 VMPPT operating range500 – 890 VNumber of MPP trackers10Max. current per MPPT40 AMax. short-circuit current50 AMax. output current167.2 A @ 380 V / 159.5 A @ 400 VMains connection3P/N/PE – 380/400/415 V, 50/60 HzPower factor1 (0.8 inductive … 0.8 capacitive)TopologyTransformerlessProtection classIP66CoolingActiveDimensions (H × W × D)695 × 970 × 325 mmWeight75 kgItem number854P110Warranty10 yearsSafety & CommunicationThe REFUsol 110K-10T is equipped with an integrated DC switch, Type II surge protection (DC & AC), anti-islanding, DC reverse polarity protection, overcurrent and earth fault protection, as well as temperature monitoring. Communication is via RS485, USB, Ethernet or optional WiFi. All operating data can be conveniently monitored and analysed via the REFUview platform.ApplicationsCommercial rooftop systemsMedium-sized industrial installationsGround-mounted projects and carport solutionsRepowering and modernisation of existing systemsConclusionThe REFUsol 110K-10T combines maximum efficiency, flexible planning and modern communication technology. It is the ideal solution for specialist companies that value robust technology and easy integration into large photovoltaic systems.
REFUsol 125K-10T – High-performance inverter
The REFUsol 125K-10T is a highly efficient 110 kW string inverter featuring ten MPP trackers, 150% DC derating and IP66 protection – ideal for large commercial and industrial PV systems.More informationREFUsol 125K-10T – Maximum performance for large PV systemsThe REFUsol 125K-10T has been specially developed for large-scale commercial and industrial installations. With ten independent MPP trackers, up to 150% DC overload capacity and an efficiency of up to 98.6%, the inverter achieves excellent yields even under demanding conditions. The IP66 aluminium housing with active cooling ensures durability, safety and reliable operation in all weather conditions.Highlights10 MPP trackers for maximum flexibility in large installations150% DC oversizing for higher energy yieldsEfficiency 98.6% / EU efficiency 98.3%Integrated PID recovery & AFCI protectionCommunication via RS485, USB, Ethernet or optional WiFiOnline monitoring via the REFUview platformIP66 protection rating and active cooling for maximum reliability10-year manufacturer’s warrantyTechnical data – REFUsol 125K-10TRated power (AC)110 kWMax. AC power125 kVA (@ 45 °C) / 110 kVA (@ 50 °C)Recommended PV powerup to 165 kWpMax. input voltage (DC)1100 VOperating voltage range (DC)180 – 1000 VMPPT operating range500 – 890 VNumber of MPP trackers10Max. current per MPPT40 AMax. short-circuit current50 AMax. output current190 A @ 380 V / 181.2 A @ 400 VMains connection3P/N/PE – 380/400/415 V, 50/60 HzPower factor1 (0.8 inductive … 0.8 capacitive)TopologyTransformerlessProtection classIP66CoolingActive (fan-assisted)Dimensions (H × W × D)695 × 970 × 325 mmWeight75 kgItem number854P125Warranty10 yearsSafety & CommunicationThe REFUsol 125K-10T features comprehensive safety functions: integrated DC switch, Type II surge protection (DC & AC), anti-islanding, reverse polarity and earth fault protection, as well as overcurrent and temperature monitoring. Communication is via RS485, USB, Ethernet or optional WiFi. All performance and operating data can be monitored and analysed in real time via the REFUview platform.ApplicationsLarge commercial and industrial facilitiesOpen spaces with varying orientationsCarports, hall roofs and solar parksRepowering and modernisation of existing systemsConclusionThe REFUsol 125K-10T combines maximum efficiency, flexible configuration and future-proof communication. A reliable, high-performance solution for modern large-scale PV systems that require maximum energy yield and safety.
REFUsol 20K-2T - String inverter
The REFUsol 20K-2T is a powerful, compact inverter with two MPP trackers and an efficiency of up to 98.6% – ideal for commercial and industrial photovoltaic systems.More informationREFUsol 20K-2T – New flexibility meets compatibilityThe REFUsol 20K-2T inverter offers a forward-looking solution for small to medium-sized PV projects. With its two independent MPP trackers, it allows flexible adaptation to different roof pitches and system designs. Thanks to its compact design and high power density, the unit is suitable for both rooftop and ground-mounted systems.Integration into existing systems is straightforward via Ethernet or a WiFi logger (optional). The inverter can be conveniently monitored remotely via the REFUview online platform – including a modern user interface, performance analysis and system overview throughout the entire warranty period.Key features2 independent MPP trackers for flexible string configurationMax. efficiency: 98.6% / European efficiency: 98.2%Long-term overload capacity up to 110%Compatible with older REFUsol inverters – ideal for repoweringIntegrated DC switch and comprehensive protection functionsIP65 protection rating for indoor and outdoor useIntegration via RS485, USB, Ethernet or WiFi (optional)Warranty: 10 yearsTechnical data – REFUsol 20K-2TItem no.853P020Recommended PV output (kWp)30Max. input voltage (V)1100Nominal input voltage (V)650Number of MPP trackers2Max. current per MPPT (A)26DC connectionMC4Rated power (kW)20Max. AC power (kVA)22Max. output current (A)31.9Rated output voltage (V)3P/N/PE: 230/400TopologyTransformerlessProtection classIP65Dimensions (H × W × D)430 × 520 × 189 mmWeight22 kgCoolingFanNoise level< 40 dBAMax. operating temperature+60 °C (derating > 45 °C)Protection functionsAnti-islanding, DC reverse polarity, overvoltage, overcurrent, earth fault, overtemperatureCertificatesVDE-AR-N 4105, EN 50549, CEI 0-21, G98/G99, etc.Interfaces & communicationRS485 / USB: integratedEthernet / WiFi: optional (item no. 924024 / 924025)Compatible with REFUview online monitoringThe REFUsol 20K-2T combines efficiency, compatibility and future-oriented technology in a compact unit – the perfect choice for commercial PV systems and repowering projects.
REFUsol 20K-3T - String inverter
The REFUsol 20K-3T is a compact 20 kW string inverter with three MPP trackers and 98.6% efficiency – ideal for commercial and industrial PV systems.More informationREFUsol 20K-3T – Efficiency and flexibility for commercial PV projectsThe REFUsol 20K-3T combines advanced technology with high reliability and easy installation. With three independent MPP trackers, an efficiency of up to 98.6% and a long-term overload capacity of 110%, it is the optimal choice for rooftop and ground-mounted systems in the power range up to 20 kW. Thanks to its compact design, flexible communication interfaces and online monitoring via REFUview, the inverter can be quickly integrated and operated efficiently.Highlights3 independent MPP trackers for flexible system designsEfficiency up to 98.6% / EU efficiency 98.2%110% overload capacity for maximum energy yieldCompatible with older REFUsol models – ideal for repowering projectsCommunication via RS485, USB, Ethernet or optional WiFi loggerIntegrated DC switch and comprehensive protection functionsOnline monitoring via the REFUview platformIP65 protection rating – dust and splash-proof10-year manufacturer’s warrantyTechnical data – REFUsol 20K-3TRated power (AC)20 kWMax. AC power22 kVARecommended PV capacityup to 30 kWpMax. input voltage (DC)1100 VOperating voltage range (DC)180 – 1000 VNumber of MPP trackers3 (2 inputs per MPPT)Max. output current (AC)33.3 AGrid connection3P/N/PE – 230/400 V, 50/60 HzTopologyTransformerlessProtection ratingIP65CoolingActive (fan-assisted)Dimensions (H × W × D)480 × 585 × 220 mmWeight36 kgEfficiency (max. / EU)98.6% / 98.2%CertificatesEN 61000-6-1/3, VDE-AR-N 4105/4110, EN 50549-1Item number853P020.010Warranty10 yearsSafety & CommunicationThe REFUsol 20K-3T is equipped with an integrated DC switch, anti-islanding protection, earth fault and overtemperature monitoring, as well as overvoltage and overcurrent protection. Communication is via RS485, USB, Ethernet or optional WiFi. All operating data can be read directly on the device via the integrated LCD display, whilst the REFUview platform enables convenient remote monitoring and analysis in real time.ApplicationsCommercial rooftop installationsAgricultural businessesSmall to medium-sized industrial installationsRepowering of existing REFUsol systemsHybrid and grid-connected PV conceptsConclusionThe REFUsol 20K-3T offers an optimal balance of performance, reliability and cost-effectiveness. It is the ideal solution for specialist firms and installers who value modern communication, simple installation and long-term efficiency.
