The 200A DC contactor is designed special work with CHARGERY BMS, the following are some features:
Specification
Two models must be confirmed before purchasing
DCC-300HB-C, used on charge and discharge on common port
DCC-300HB-S, used on charge and discharge on separate port
Installation
Install DCC on battery positive, the ISO board muse be connected to DCC and BMS, as below,