Contactors are nothing more than a coil and a set of contacts. The coil of the contactor can be 24, 115, or 230 V, and even higher depending on the application. The contactor arrangement can be single ...

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 ...

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 and contactors use a variety of technologies to switch signals and power connections. Many devices called relays use similar techniques and topologies, but the terminology can be confusing.

High-voltage DC systems can be risky if power isn’t switched safely or status isn’t clear. See how a small, reliable device ...

Voltage sags and momentary interruptions plague power quality professionals worldwide. No business can afford the costly production losses that sometimes occur when small control relays de-energize ...

Tesla is recalling nearly 13,000 electric cars built this year for the U.S. market. Certain 2026 Model Y and 2025 Model 3 vehicles were fitted with high-voltage battery contactors that have a faulty ...

In performing service and troubleshooting on heat pump systems, there are various electrical components to be checked. The following provides information to aid in inspecting and servicing these ...

Engineered to provide the most compact contactor solution, the WEG CWB range of devices offers a width space saving of up to 18%. Add to this that the range was developed according to IEC 60947 and UL ...