Over-current protection relay / digital / configurable / adjustable
SEL-551C Schweitzer Engineering Laboratories

Characteristics

  • Measured/monitored value:

    over-current

  • Other characteristics:

    digital, configurable, adjustable, programmable

Description

Overcurrent/Reclosing Relay
The SEL-551C Overcurrent/Reclosing Relay provides overcurrent relay users with new flexibility in distribution system protection. The SEL-551C provides six inputs and three outputs, with up to two communications ports, for more control options. The SELogic control equations have added rising and falling edge triggers and latches for custom logic applications.

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