Phase Sequence & Failure Relay & Thermistor Motor Protection

Phase Sequence & Failure Relay & Thermistor Motor Protection

This relay monitors phase sequence, failure and voltage reduction of the supply and also monitors a chain of thermistors. The phase relay will release when phase sequence is wrong or a phase is lost. The thermistor circuit relay will release on detection of either short circuit or overheat. Both relays are delayed on break to avoid momentary interruptions.

  • For use on 3-phase supplies of 220, 380, 400, 415 and 440V AC.
  • Monitors phase sequence, loss of any phase and up to 6 thermistors.
  • LED indicator for phase relay, thermistor relay and for internal supply.
  • Separate relays for phase and thermistor circuits.

Order Code : PTM1

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