Minilec Phase Failure Relays S1 VMR7 Overview Phase Sequence Auto Reset 1 CO Output Relay Technical Specification Supply Voltage System 380 – 440 VAC, ± 20%, 3PH-3 Wire Auxillary Built-in from 3-Phase Output Contacts Output Contacts 1 CO Trip Setting(Volts) Phase Sequence Yes Phase Unbalance - Trip