Regarding AC input and output, please also follow the same principle.
Recommended AC input and output cable size for each inverter:
CAUTION!! Please install the breaker at the battery and AC input side. This will ensure the inverter can be
securely disconnected during maintenance and fully protected from over current of battery or AC input.
Recommended breaker specification of battery for each inverter:
*If you want to use only one breaker at the battery side for the whole system, the rating of the breaker should be X
times current of 1 unit. “X” indicates the number of inverters connected in parallel.
Recommended breaker specification of AC input with single phase:
Note1: You can use 50A breaker for SPF 6000 ES PLUS 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.
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