Outdated product since 2010.
Replaced by REL670 IEC and REL670 ANSI.
The REL512 is a fully integrated transmission line protection system and breaker control terminal. It is the second-generation product based on new protection concepts, the most advanced functions and flexibility are available to meet your transmission line distance protection application requirements.
The REL512 utilizes a combination of time and frequency domain algorithms and multiple microprocessors to provide comprehensive high-performance protection with one cycle operating speed and high reach accuracy while providing immunity to transient overreaching.
REL512 includes comprehensive pilot logic, overcurrent protection, reclosing option, breaker failure protection, fault location and DFR recording.