Over-current protection relay / synchronization / digital / programmable
SEL-351A Schweitzer Engineering Laboratories


  • Measured/monitored value:

    over-current, synchronization

  • Other characteristics:

    digital, programmable, configurable, multifunction, Ethernet, panel-mount


Protection System
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.


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