Relays usually are driven using optocouplers, which offer isolation between analog and digital grounds to ensure that switching currents in the relay coils do not affect the noise margin of the ...

The Electroswitch Series 24 Serial Lock-Out Relay (SLOR) is an addressable network device (certified DNP 3.0 protocol) that provides remote trip and reset capability, trip-coil monitoring, IRIG-B ...

Relays continue to be useful and popular, but in low-power, battery operated applications they tend to be power wasters. The following relay economy circuits reduce coil power significantly by simply ...

A single-coil latching relay is a relay with memory, usually with a magnetic structure that provides two stable positions for the armature that holds the movable contacts. A permanent magnet provides ...