PHASE ANGLE MOTOR PROTECTION RELAYS

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SINGLE PHASE FEATURES:

MP820:

  • Direct in-line current sensing of motor, up to 1.1kW.
  • Auto calibration of over/under current and voltage.
  • Start-up delay (3 seconds standard).
  • Adjustable reset time 15mins to 24 hrs.

MP825: As for MP820 plus

  • Latching of over and under load conditions.
  • Manual adjustment of under load sensitivity (after auto calibration).

THREE PHASE FEATURES:

MP830:

  • Direct in-line current sensing of motor, up to 3.7kW.
  • Auto calibration of over/under current and voltage.
  • Start-up delay (3 seconds standard).
  • Adjustable reset time 15 mins to 24 hrs.
  • Latching of overload conditions.
  • Liquid level control (50kΩ).
  • Reset lock out, Max 3 reset attempts in 15 minutes.
  • Phase sequence  / Phase failure detection.

MP835: As for MP830 plus

  • Latching of over and under load conditions.
  • Manual adjustment of under load sensitivity (after auto calibration).
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