MPP Solar LV 6548 User Manual page 50

Recommended breaker specification of battery for each inverter:
Model
LV 6548
*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:
2 units
Model
LV 6548 120A/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
Battery Capacity
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
1
1 unit*
250A/70VDC
3 units 4 units
240A/230VAC
180A/230VAC
2 3 4
200AH 400AH 400AH
2
5 units
300A/230VAC 360A/230VAC
5 6
600AH 600AH
48
6 units