3UG4511-1AP20,VOLT. MON REL,1CO,320-500VAC
3UG4511-1AQ20,PHASE SEQUENCE MONITORING
3UG4511-1BN20,VOLT. MON REL,2CO,160-260VAC
【SIEMENS】3UG45111BP20,
3UG4511-1BP20,PHASE SEQUENCE MONITORING
3UG4511-1BQ20,PHASE SEQUENCE MONITORING
3UG45112AN20,MONITORING RELAY,ANALOG,260V,60H
3UG45112AP20,MONITORING RELAY,ANALOG,520V,60H
