Many single-phase motors used with refrigeration-duty, semi-hermetic and hermetic compressors require an external relay to assist in starting. How much do you know about these necessary products? An ...

Most industrial facilities include electric motors that require overload relays for protection, control and monitoring purposes. The latest overload relays are often called motor management relays ...

Motors are critical components in diverse industries, ranging from manufacturing and mining to water treatment and HVAC systems. As the backbone of industrial operations, any motor failure or ...

Motor protection relays are used in HVAC systems to control fan motors of the condenser, evaporator, cooling tower motor, and compressor motors. Therefore, the growth of the global motor protection ...

[Nothinglabs] built this motor controller as an alternative to using an H-bridge. They call it the RAT controller which stands for “Relay and Transistors”. You can see above that two Darlington ...

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 ...

ICM Controls will showcase its new Universal Motor Starting Relays (UMSR). The UMSR is a wire-for-wire replacement for all standard potential relays that operate a single-phase motor with a voltage ...

Begin by connecting pin 85 of the relay to a clean ground point on the vehicle chassis or the negative terminal of the battery. Then connect pin 86 to the ignition switch wire — this is the wire that ...

If you work on cars you’ve probably heard of relays; in fact, we often cover using relays in our tech articles. Following detailed instructions to wire one can work, but understanding what makes them ...