3 Phase Voltage Monitoring Relay Circuit Diagram. The device operates according to the closed circuit principle g incorrect phase sequence or phase failure. The signalling of status indication is made by means of the front face leds.
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Abb s cm mps n three phase monitoring relays for rated voltage levels up to 820 v ac and 400 hz offer maximum flexibility and control. 1svc 110 000 f0118. The cm pfs is used to monitor three phase mains for incorrect phase sequence and phase failure.
It may be installed in a motor feeder and control the supply to a number of motors or in a motor branch circuit to pro tect a single motor and its load.
Abb s cm mps n three phase monitoring relays for rated voltage levels up to 820 v ac and 400 hz offer maximum flexibility and control. Abb s cm mps n three phase monitoring relays for rated voltage levels up to 820 v ac and 400 hz offer maximum flexibility and control. The signalling of status indication is made by means of the front face leds. Operating mode the three phase main to be monitored is connected to terminals l1 l2 l3 in accordance to the wiring diagram.
