The B91067120 is an ISOMETER model ISO685-S-B ground fault relay designed for AC 0-690V systems with 1-460Hz frequency range and DC 0-1000V nominal system voltage. It operates with supply voltages of C 24-240V at 50-400Hz or DC 24-240V.
The B91067120 is an ISOMETER model ISO685-S-B ground fault relay designed for AC 0-690V systems with 1-460Hz frequency range and DC 0-1000V nominal system voltage. It operates with supply voltages of C 24-240V at 50-400Hz or DC 24-240V.