REB670 - Busbar protection
State-of-the-art protection - for your equipment and your people
The REB670 IED (Intelligent Electronic Device) is designed for the protection and monitoring of busbars, T-connections, and meshed corners from medium to extra high voltage levels in up to six zones. Due to its extensive I/O capability, REB670 protects single, double, and triple busbar with or without transfer bus, double-circuit breaker, or one-and-half circuit breaker arrangements.
It provides selective, reliable, and fast fault clearance for all types of internal phase-to-phase and phase-to-earth faults in solidly earthed or low-impedance earthed power systems. It can also handle all internal multi-phase faults in isolated or high-impedance earthed power systems.
Relion – Complete confidence
Busbar protection REB670 IED belongs to the Relion protection and control product family. The Relion product family offers the widest range of products for the protection, control, measurement, and supervision of power systems. To ensure interoperable and future-proof solutions, Relion products have been designed to implement the core values of the IEC 61850 standard. With Hitachi Energy's leading-edge technology, global application knowledge, and experienced support network, you can be completely confident that your system performs reliably – in any situation.
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