
PHASE SEQUENCE MONITORING
Reference : 3UG4511-2BQ20
Analog monitoring relay Phase sequence monitoring 3 x 420...690 V 50...60 Hz AC 2 change-over contacts spring-type connection system

Reference : 3UG4511-2BQ20
Analog monitoring relay Phase sequence monitoring 3 x 420...690 V 50...60 Hz AC 2 change-over contacts spring-type connection system