The RPI H4A solar inverter features a 4 kVA power output. This new single phase transformerless solar inverter is designed for residential PV applications where maximum versatility and profitability are important. Thanks to the high maximum efficiency up to 97.5 %, optimum yield from the PV plant is ensured from the device.
Flexible system design
For the system planner, maximum flexibility is ensured thanks to a wide input voltage range of 100 - 550 V and 2 MPP trackers. The new unit is compatible with major types of PV modules and the robust IP65 rated enclosure allows outdoor installation.
The lightweight and compact design of the RPI H4A greatly simplifies installation. The inverter includes a unique wall bracket in the scope of delivery.
Intelligent cooling design
The inverter uses an innovative heatsink design for cooling which draws the heat away from the inverter through a natural convection process. Because there are no fans required, maintenance costs are reduced and audible noise is greatly reduced. Additionally, the intelligent cooling design extends the life of electronic components and increases the life of the solar inverter.
Max. recommended PV power: 5.0 kWp
Nominal power: 4.2 kW
Voltage range: 100 ... 550 V
Full power MPP range: 180 ... 500 V
Max. current: 24 A (12 A per MPP tracker)
Max. number of MPP trackers: Parallel inputs: 1 MPP tracker; Separate inputs: 2 MPP trackers
Nominal apparent power: 4 kVA
Voltage range : 230 -20%/+22%, 1 Phase (L, N, PE)
Nominal current: 17.3 A (16 A for UK)
Nominal frequency: 50 / 60 Hz
Frequency range: 50 / 60 Hz +- 5 Hz
Power factor adjustable: 0.8 cap ... 0.8 ind
Total harmonic distortion (THD): <3 % @ nominal apparent power
Model name: RPI H4A
Part number Delta: RPI402N55E0000
Max. efficiency: 97.5 %
Efficiency EU: 97.0 %
Operating temperature: -25 ... +20 degrees C
Full power without derating: -25 ... +40 degrees C
Storage temperature: -25 ... +60 degrees C
Humidity: 0 ... 100 % non-condensing
Max. operating altitude: 2000 m (above sea level)
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