over-current protection relay / programmable / three-phase / configurable
Schweitzer Engineering Laboratories
programmable, three-phase, configurable, single-phase
The SEL-351S Protection System offers comprehensive feeder and overcurrent protection perfect for industrial and utility feeder applications. Enhance your quality of service with lower costs and innovative features, like Mirrored Bits communications, IEEE C37.118 synchrophasors, expanded operator controls, and SEL's Best Choice Ground Directional Element logic.