775-8040, ABB, ABB Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 90 → 170V ac, DIN Rail, Brand ABB, Monitoring Application Phase, Voltage, Electrical Phase 3, Voltage Sensing Range 90 → 170V ac ABB Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 90 → 170V ac, DIN Rail