Voltacon Conversol MAX 11KW - Parallel Operation in Single Phase

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Recommended breaker specification of battery for each inverter:
Model
1 unit*
11KW
250A/70VDC
*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:
Model
2 units
3 units
4 units
5 units
6 units
11KW
140A/230VAC
210A/230VAC
280A/230VAC
350A/230VAC
420A/230VAC
Note 1: Also, you can use 60A breaker with only 1 unit and install one breaker at its AC input in each
inverter.
Note 2: 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
2
3
4
5
6
Battery Capacity
200AH
400AH
400AH
600AH
600AH
WARNING! Be sure that all inverters will share the same battery bank. Otherwise, the inverters will transfer
to fault mode.
4-1. Parallel Operation in Single phase
Two inverters in parallel:
Power Connection
Communication Connection
2
1