RMC-121D, Short circuit current relay, I>>

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RMC-121D, Short circuit current relay, I>>

RMC-121D, Short circuit current relay, I>>

The RMC-121D combined short circuit and over-current relay is applied for protection of generators against both over-currents and short circuit currents.
  • Products Information
  • Comment

The RMC-121D combined short circuit and over-current relay is applied for protection of generators against both over-currents and short circuit currents (I> + I>>).

RMC-121D has two sets 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-121D, Short circuit current relay, I>> - Features

  • 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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