Note1: You can use 40A breaker (50A for 5KVA) for only 1 unit, and each inverter has a breaker at its AC input.
Note2: Regarding three phase system, you can use 4 poles breaker, the rating is up to the current of the
phase which has the maximum units. Or you can follow the suggestion of note 1.
Recommended battery capacity
Inverter parallel numbers
WARNING! Be sure that all inverters will share the same battery bank. Otherwise, the inverters will transfer to
fault mode.
5.5 Parallel Operation in Single Phase
WARNING! All inverters must be connected to the same batteries and ensure each group of cables from the
inverters to the batteries in the same length.
Two inverters in parallel:
Power Connection
Communication Connection
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