RMC-142D

Current relay

DEIF's RMC-142D stator earth fault relay protects genset operators against electric shock in case of earth faults in the generator's stator.

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RMC 142D Front
RMC 142D Angle
RMC 142D Side
RMC 142D Back
RMC 142D Front
RMC 142D Angle
RMC 142D Side
RMC 142D Back

DEIF’s RMC-142D stator earth fault relay protects genset operators against electric shock in case of earth faults in the generator’s stator.

The relay also protects against loss of excitation in case of earth fault in the stator.

The RMC-142D is part of DEIF’s complete range of relays for protection and control of generators featuring a number of adjustable parameters.

Variants

RMC-111D

  • Short circuit
  • I>>: 100 to 400 %. <50 mS response time

RMC-121D

  • Short circuit
  • I>>: 100 to 400 %. 2 sets of contacts (parallel)

RMC-122D

  • Short circuit and over-current
  • I>>: 100 to 400 %, I>: 50 to 150 %
  • Combined functionality

RMC-131D

  • Differential current
  • I>>: 100 to 400 %. 2 sets of contacts (parallel).

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Documentation


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Frequency relay

Frequency relay RMF-112D

  • Combined under-frequency/over-frequency
  • For 1- and 3-phase networks
  • LED indication of fault condition
  • Timer-controlled tripping
  • LED indication for activated relay
  • 35 mm DIN rail or base mounting
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Over-/undervoltage relay, U> and U<

Over-/undervoltage relay, U> and U< RMV-142D

  • Under- and Over-voltage.
  • U>: 100 to 120 %, U<: 80 to 100 %.
  • Single phase measurement.
  • Under-voltage/over-voltage (U< + U>)
  • ANSI code 27 and 59
  • 3-phase measurement
  • LED indication of fault condition
  • Timer-controlled tripping
  • LED indication for activated relay
  • 35 mm DIN rail or base mounting
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Undervoltage relay, U< and U<

Undervoltage relay, U< and U< RMV-132D

  • Under-voltage (double).
  • U<: 80 to 100 %, U<: 80 to 100 %.
  • Under-voltage/over-voltage (U< + U>)
  • ANSI code 27 and 59
  • 3-phase measurement
  • LED indication of fault condition
  • Timer-controlled tripping
  • LED indication for activated relay
  • 35 mm DIN rail or base mounting
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Overvoltage relay, U> and U>

Overvoltage relay, U> and U> RMV-122D

  • Over-voltage (double).
  • U>: 100 to 120 %,U>: 100 to 120 %.
  • Under-voltage/over-voltage (U< + U>)
  • ANSI code 27 and 59
  • 3-phase measurement
  • LED indication of fault condition
  • Timer-controlled tripping
  • LED indication for activated relay
  • 35 mm DIN rail or base mounting
 Compare product More details
Undervoltage and overvoltage relay, U< and U>

Undervoltage and overvoltage relay, U< and U> RMV-112D

  • Under- and over-voltage.
  • U>: 100 to 120 %, U<: 80 to 100 %.
  • Under-voltage/over-voltage (U< + U>)
  • ANSI code 27 and 59
  • 3-phase measurement
  • LED indication of fault condition
  • Timer-controlled tripping
  • LED indication for activated relay
  • 35 mm DIN rail or base mounting
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Loss of Excitation Relay/Over-excitation Relay

Loss of Excitation Relay/Over-excitation Relay RMQ-111D & RMQ-121D

  • Generator under-excitation protection
  • ANSI code 40
  • Single-phase measurement
  • Timer-controlled tripping
  • LED indication of fault/activated relay
  • 35 mm DIN rail or base mounting
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Current relay

Current relay RMC-121D

  • Short circuit and over-current circuit relay (I> + I>>)
  • ANSI code 50 and 51
  • Measurement of 3-phase currents
  • LED indication of fault condition
  • Timer-controlled tripping
  • LED indication for activated relay
  • 35 mm DIN rail or base mounting
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Current relay

Current relay RMC-122D

  • Short circuit and over-current
  • I>>: 100 to 400 %, I>: 50 to 150 %
  • Combined functionality
  • Short circuit relay (I>>)
  • ANSI code 50 and 51
  • Measurement of 3-phase currents
  • LED indication of fault condition
  • Timer-controlled tripping
  • LED indication for activated relay
  • 35 mm DIN rail or base mounting
 Compare product More details
Current relay

Current relay RMC-131D

  • Differential current relay
  • ANSI code 87
  • Measurement of 3-phase currents
  • Non-stabilised measurement
  • LED indication of fault condition
  • Timer-controlled tripping
  • LED indication for activated relay
  • Extra change-over relay contact for signalling
  • 35 mm DIN rail or base mounting
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Current relay

Current relay RMC-132D

  • Double over-current relay (I> + I>)
  • ANSI code 50 and 51
  • Measurement of 3-phase currents
  • LED indication of fault condition
  • Timer-controlled tripping
  • LED indication for activated relay
  • 35 mm DIN rail or base mounting
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Current relay

Current relay RMC-111D

  • Short circuit relay (I>>)
  • ANSI code 50 and 51
  • Measurement of 3-phase currents
  • LED indication of fault condition
  • Timer-controlled tripping
  • LED indication for activated relay
  • 35 mm DIN rail or base mountin
 Compare product More details