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String Inverters

 
With their low voltage ranges, the single-phase infeed string inverters in the performance classes 1.8 - 4.2 kW are particularly suitable for small systems or expanding large systems(for example in cases of shading). They comply with all requirements for IP65 protection - their housing provides reliable protection from dust and water, including high pressure washing.
 
We have developed the PV Heater for everyone who
wants to generate efficient heat in their house with photovoltaics.
The PV Heater is a new approach in heating
technology: It utilizes power from photovoltaic modules in
order to heat up tap water with a heating rod in the home
hot water tank with.
We have developed the PV Heater for everyone who wants to generate efficient heat in their house with photovoltaics.
The PV Heater is a new approach in heating technology: It utilizes power from photovoltaic modules in order to heat up tap water with a heating rod in the home hot water tank with.
 

The three-phase string inverters in 8.25 to 20kW power classes are perfect for rooftop systems from 8 to 20 kW upwards, right through to megawatt parks. They comply with all requirements for IP65 protection. All six string inverters are easy to handle and compact.

 

 
The transformerless REFUsol 023K string inverter with
460 VAC complements the product range between the 008K–
020K string inverters with 400 VAC and the high-power
REFUsol 333K central inverter with 690 VAC . With an output voltage
of 460 V and a input voltage range from 575 to 850 V, the
REFUsol 023K-460 VAC is the perfect choice for medium voltage
applications in large-scale PV systems. It has an efficiency
level of more than 98%.
The transformerless REFUsol 023K string inverter with 460 VAC complements the product range between the 008K–
020K string inverters with 400 VAC and the high-power REFUsol 333K central inverter with 690 VAC . With an output voltage of 460 V and a input voltage range from 575 to 850 V, the REFUsol 023K-460 VAC is the perfect choice for medium voltage applications in large-scale PV systems. It has an efficiency level of more than 98%.
 
REFUsol 333K is the high-efficiency central inverter for open
field sites and industrial rooftops. Low system costs and an
extremely high level of efficiency of over 98.4 % are just
two of the many good reasons to use this model for large-scale
projects. Operated together, just three of these devices provide
one megawatt of power.
REFUsol 333K is the high-efficiency central inverter for open field sites and industrial rooftops. Low system costs and an extremely high level of efficiency of over 98.4 % are just two of the many good reasons to use this model for large-scale projects. Operated together, just three of these devices provide one megawatt of power.