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.

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 ...

A motor contactor has all contacts working with the same function. Force-guided relays also have a smaller gap tolerance and move more slowly because of design requirements that provide greater ...

A specialized segment of the electrical construction and maintenance industry, AC motor control is an area that requires specific knowledge in order to troubleshoot motors effectively and ensure ...

A complete line of Fuji motor control products is available, including the DUO series of motor contactors, overload relays and manual motor starters, as well as the Odyssey line of large contactors ...

Last column, I wrote about various applications where fire alarm relays could be used to integrate a commercial fire alarm system with other electrical systems at a customer’s site to provide them ...