Schweitzer Engineering Laboratories, Inc. has introduced the SEL-9220 Fiber-Optic Adapter for SEL-300 Series Relays. The SEL-9220 mounts directly to the EIA-485 port on the relay connector that is ...
Schweitzer Engineering Laboratories has released the SEL-851 Feeder Protection Relay, which provides overcurrent, voltage and arc-flash protection for utility and industrial applications. This compact ...
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