Over-current protection relay / digital / programmable / configurable
SEL-451 Schweitzer Engineering Laboratories

Characteristics

  • Measured/monitored value:

    over-current

  • Other characteristics:

    digital, programmable, configurable, multifunction, panel-mount

Description

Protection, Automation, and Bay Control System
The SEL-451 Protection, Automation, and Bay Control System is a complete standalone system. The SEL-451 has the speed, power, and flexibility to combine complete substation bay control with high-speed breaker protection in one economical system. Use the SEL-451 as an integral part of a full substation protection, control, and monitoring solution. Reduce maintenance costs by accurately tracking the breaker operation. Monitor breaker interruption times and the accumulated breaker duty to easily determine the need for proactive maintenance. Integrate information with SCADA or automation systems through a communications processor or directly to the Ethernet port.

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