Prev Next Protective Relay Voltage Relay APR-4V 3-PHASE SEQUENCE VOLTAGE PROTECTION RELAY Add to inquiry Inquiry list Description Wiring and timing diagrams Overall dimensions or other Download 3-phase voltage and fault detector Can detect abnormal condition to prevent damages to the equipments Auto shut-of while detecting excessive or insuficient voltage, range from 5% to 20% available (seeTYPE SELECTION for detail) Out-of-phase detection while the motor operating Install on DIN rail or fix with screw are available and no socket require APR-4V Catalogue