Phase Control Relay – S

Suitable for air conditioning cranes, hoists and similar installations for protection durins startup.

  • Self-powered by the voltage to be monitored.
  • Visual indication of trip cause.
  • DIN rail mounting.
  • To protect 3-phase devices and during operation of Lifts & Elevators.
  • Sensitive to incorrect phase sequence.

Protection functions

  • Phase imbalance or phase loss
  • Phase sequence 

S4

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