ANALOG MONITORING RELAY PHASE SEQUENCE MONITORING 3X 160 TO 260V AC 50 TO 60 HZ 1 CHANGEOVER CONTACT SPRING LOADED CONNECTION, Manufacturer-ID: 3UG4511-2AN20
ANALOG MONITORING RELAY PHASE SEQUENCE MONITORING 3X 420 TO 690V AC 50 TO 60 HZ 1 CHANGEOVER CONTACT SPRING LOADED CONNECTION, Manufacturer-ID: 3UG4511-2AQ20