Over-current protection relay / synchronizing / digital / programmable
Schweitzer Engineering Laboratories
digital, programmable, configurable, multifunction, Ethernet, panel-mount
The SEL-351A Protection System has built-in Ethernet and IEEE C37.118 synchrophasors, and is the economical solution for overcurrent protection. Easy-to-use feeder protection and innovative features like SEL’s Best Choice Ground Directional Element logic and SELogic control equations provide superior protection on utility and industrial power systems.