Hi all,
We're considering using Victron 48V / 100A Battery Protects instead of coil operated contactors to protect LFP battery banks for under voltage and over charging conditions.
Power consumption of the Battery Protect is significantly less than contactors (0.1W vs 2W). The BMS would drive the Battery Protect via the remote switch inputs, so we'd not need to use the programmed voltages although we could conceivably use those as well.
Silicon often fails short circuited though, hence the norm seems to be to use a device that fails open circuit, such as a contactor.
Any thoughts?
Jan