Compact breaker failure relay and protection assemblies
The compact current relay RXHB 411 has a wide application range as an important part of the backup protection for feeders and lines, transformers, capacitor banks, electric boilers as well as for generators and motors.
Main features:
- Three-phase compact numerical breaker failure relay
- Single- and three-phase breaker failure protection
- Pole disagreement protection
RXHB 411 is available in four different versions:
- Basic version
- Basic version together with overcurrent and earth-fault protection
- Basic version together with binary I/O option
- Basic version together with overcurrent and earth-fault protection and binary I/O option
Options:
- Phase overcurrent protection with two stages and definite time delay
- Earth-fault protection with two stages and definite time delay
- 4 additional inputs and 4 additional outputs