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Recommended AC input and output cable size for each inverter:
You need to connect the cables of each inverter together. Take the battery cables for example: You need to use
a connector or bus-bar as a joint to connect the battery cables together, and then connect to the battery
terminal. The cable size used from joint to battery should be X times cable size in the tables above. “X” indicates
the number of inverters connected in parallel.
Regarding AC input and output, please also follow the same principle.
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. The
recommended mounted location of the breakers is shown in the figures in 5-1 and 5-2.
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: Also, you can use 40A breaker for 2.4KW/3KW and 50A for 4KW/5KW for only 1 unit and install one
breaker at its AC input in each inverter.
Note2: Regarding three-phase system, you can use 4-pole breaker directly and the rating of the breaker
should be compatible with the phase current limitation from the phase with maximum units
Recommended battery capacity
Inverter parallel numbers
Battery Capacity for
2.4KW/3KW/4KW
WARNING! Be sure that all inverters will share the same battery bank. Otherwise, the inverters will transfer to
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