The RMC-111D short circuit relay is applied in cases where only protection against short circuit currents is required (I>>).

RMC-111D has one set of contacts.

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).

RMC-132D

  • Over-current (double)
  • I>: 50 to 150 %, I>: 50 to 150 %
  • Simple current load sharing

RMC-142D

  • Earth current (double)
  • iE>: 10 to 110 %, iE>: 2 to 20 %
  • Single phase measurement
  • 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

Documents

Mounting Instructions
Other Technical Documentation

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