Phase Protection Relay

Omicron - PHR monitors a AC voltage signals of a system/equipment which protects it from phase failure issues. Suits applications such as  Control close loop operations, Conveyor system, motor protection from faults like incorrect phase sequence, unbalance in phase or loss of phase.







  • Protection feature: Phase Unbalance Protection Phase Failure Protection Phase Incorrect Sequence Protection
  • True RMS measurement
  • Self Powered
  • Instrument automatically clears (resets) itself as soon as fault condition is recovered
  • Compliance to International Safety standard IEC 61010-1-2010
  • LED indication for Unbalance, Phase Fail condition and incorrect Phase Sequence condition
  • Well suited for 3PH 3W and 3PH 4W applications