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LCD Display Motor Voltage Protection Relay With Multi Protective Function


  • Built-in high-performance micro controller with high reliability and strong resistance to interference.
  • Voltage value and fault message displayed through illuminated LCD.
  • Protection against over-voltage, under-voltage, phase failure, unbalance and phase sequence is available.
  • Protection parameters are set through keys, and the protection function can be turned on and off freely.
  • True RMS value measurement, voltage measurement accuracy ≤ 1%.
  • Working frequency 45Hz~65Hz.
  • Three-phase voltage value query through keys.
  • Testing and manual reset can be conducted through keys.
  • Three-phase four-wire system features Neutral-Phase failure protective function.

Installation method

The protective relay can be inserted directly into a standard TH rail.

Relay Wiring Diagrams
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