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GL - Integral Motor Protection Relay


For 3-phase motors from 1 to 630 A … and over.


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For low and medium size electric motors in diverse applications; such as motor control centers (MCC), compressors, fans, surface mounted pumps, conveyor belts, machine tools, cranes, motorized valves, air conditioners, lifting machinery, industrial refrigeration, and in general for motors requiring complete protection that include over temperature (by means of PTC sensor) and incorrect phase sequence.

  • For 3-phase motors up to 1,000 Vac.
  • Wide adjusting range from 1 to 630 A and over*.
  • Cable feed through relay.
  • Precise motor heating and cooling memory, reproduces its thermal image.
  • Immediate phase loss detection (3 s), even at reduced load.
  • Visual indication of tripping cause.
  • Seven trip classes (5, 10, 15, 20, 25, 30, 35) that cover all types of starting or working cycles.
  • Optional external display module.
  • 3-year warranty.

Protection functions:

  • Overload.
  • Phase imbalance or phase loss.
  • Over temperature.
  • Phase sequence.

Optional External Display Module (OD-GL)

This optional display module is to be mounted externally, on the panel door or a draw-out unit in a motor control centre (MCC).

  • LEDs indicate cause of the trip cause.
  • Reset push button (Ø22 mm, 7/8”).
  • Easy to install.
  • Connects to the relay by the module’s flat cable (2 m , 6.5 ft).
  • Suitable for motor control centres (MCC) and panel boards.
  • Weight: 0.05 kg / 2 oz.
  • Protection degree: IP50.

* Fanox offers a wide selection of current transformers for higher current levels.

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GL - Integral Motor Protection Relay

GL - Integral Motor Protection Relay

For 3-phase motors from 1 to 630 A … and over.

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