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