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
Features
• 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
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