Schweitzer Engineering Laboratories, Inc. has released an enhanced operator interface on the SEL-400 series relays. Schweitzer Engineering Laboratories, Inc. has released an enhanced operator ...

Electromechanical components such as relays and switches often must undergo endurance tests that verify their reliability and safety. Regulatory standards typically have compliance criteria that ...

Smaller, lighter and with a higher output power than any other comparable single-phase protective relay test instrument, Megger’s new SMRT1 smart protective relay test set is suited not only for ...

RF coaxial SPDT relays address signal-routing applications that demand a combination of high frequency, high power, and excellent RF performance. What role does an SPDT relay play in test applications ...

IDEC Corporation has enhanced their popular HW series of 22mm switches and pilot lights, as well as the SJ/SU series of relay sockets, with new options for push-in wiring technology, continuing the ...

The reed relay was invented in 1936 by Bell Telephone Laboratories. Since that time, it has gradually evolved from very large, relatively crude parts to the small, ultra-reliable parts we have today.