Over the years, control relays of various types have been used by the hundreds — even thousands — to control nearly every function in commercial and industrial processes. Today, many of those ...

ONE of the more useful by-products of the rapid development of radio technique is the use of thermionic valves as relays of negligible input power, freedom from contact troubles and practically ...

Time Delay Control Switch Relay (TD-CSR) from Electroswitch provides a safe and effective means of mitigating arc flash danger in local circuit breaker operation by allowing for a manually initiated ...

The project has been constructed for applications that require automatic temperature control while providing highly accurate thermal control circuit. The LM35 temperature sensor is the heart of the ...

Designed to help ultility providers push there systems harder, the SEL-421 relay combines distance and directional protection with complete control for two breakers. Breaker-and-a-half and ring-bus ...

This chapter covers representative general-purpose relays used in the control circuits of most industrial, commercial, and consumer products. Relay names and terminology are in accordance with ...

Relays are available for single-phase current monitoring, single-phase voltage monitoring, three-phase voltage monitoring and phase monitoring. Unlike the company's existing relays, each BL relay ...

Small engine manufacturers are starting to feel pressure, from government regulatory agencies around the world, to increase the efficiency and reduce the emissions from their products. To accomplish ...

When voltage sags occur inside or outside of a facility, properly placed power quality mitigation technology will save sensitive equipment from costly shutdowns. The cost of this mitigation equipment ...