This double over-current relay is applied in cases where protection against over-currents at two levels is required.
The versatile unit features 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).