INFOSEC UPS SYSTEM G1 Solar MPPT Manuel Utilisateur page 35

3.3 Recommended specification of battery breaker for each inverter:
Model
G1 Solar MPPT
*If you want to use only one breaker at the side of battery for the whole system, the rating of the breaker should
be X times to the current of 1 unit. "X" indicates the number of inverters connected in parallel.
3.4 Recommended specification of AC input breaker for single-phase application:
Inverter # 2 units
Model
G1 Solar MPPT 100A
Note 1: It's accepted to use 50A breaker for each unit in parallel system and a breaker should be installed for
each G1 Solar MPPT in the AC input.
Note 2: In three-phase parallel system, you can use one 4-pole breaker. The accepted rating of breaker is
based on the current for each phase with the maximum units. Otherwise, please follow the instruction in Note 1
mentioned above.
3.5 Recommended battery capacity
Inverter parallel numbers
Battery Capacity
Recommended total
charging current
WARNING! Be sure that all inverters share the same battery bank. Otherwise, the inverters will turn to fault
mode.
3.6 Recommended PV panels connection
Solar connection has no direct relationship with parallel working. Each G1 Solar MPPT have their individual
PV panels (refer to p.11 "PV connection").
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INFOSEC UPS SYSTEM - 15, rue du Moulin - 44880 Sautron - FRANCE - www.infosec-ups.com
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3 units 4 units
150A 200A
2 3 4
400AH 600AH 800AH
80A 120A 160A
One unit*
100A/60VDC
5 units 6 units 7 units
250A 300A
5 6
1000AH 1200AH
200A 240A
8 units 9 units
350A 400A 450A
7 8
1400AH 1600AH 1800AH
280A 320A
9
360A