SEG Electronics is an independent manufacturer of protection relays for medium-voltage power grid applications, serving more than 300 customers across more than 50 countries.

PULLMAN, WA — September 26, 2013 — Schweitzer Engineering Laboratories, Inc. (SEL) today announced the introduction of the SEL-710-5 Motor Protection Relay, which protects both synchronous and ...

To be competitive, some electrical contractors often supply low-voltage (LV) service entrance switchboards and switchgear that meet the minimum safety requirements of the National Electrical Code (NEC ...

A vulnerability in the Siemens Digsi 4 protocol, which allowed a denial-of-service attack against the company's SIPROTEC 4 protection relays, was discovered recently by the Israeli security outfit ...

The PGR-8800 is a microprocessor-based protection relay that limits arc-flash damage by using light sensors to rapidly detect the arc and then trip a circuit breaker. Phase current-transformer inputs ...

Solid-state relays provide robust solutions for electronic switching in load control applications and hold many advantages over electromechanical relays. New, emerging solid-state relay designs offer ...