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).
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Multi-functional protection relay MTR-4P
- Up to 1,000 V L-L AC voltage input
- Up to 20 A AC current input
- Accuracy class: 0.5
- Password protection
- Trip time typically below 50 ms
- Two-stage trip setting
- Start-up delay
- 13 different protection functions
- RS-485 serial Modbus communication
- Fast and simple commissioning and setup from M-set
- Universal power supply of 20 to 300 V DC/48 to 276 V AC
- Marine approval by GL/DNV
