SEL-851
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The SEL-851 provides comprehensive feeder protection, monitoring, and control for industrial utility and distribution applications in a compact device. Its arc flash protection capabilities significantly reduce incident energy by sending a trip signal to a circuit breaker in as little as 1 ms. With 10 kHz sampling of currents and voltages, the SEL-851 allows you to gain greater visibility into your system. The relay is configured with SEL’s Grid Configurator software, allowing for rapid creation, management, and deployment of device settings.
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