ABB, together with Onlinecomponents.com, features their thermal overload relays. The thermal overload relays are economic electromechanical protection devices. The devices offer reliable protection ...

Thanks to ongoing innovations in technology, electrical engineers' approach to motor protection has changed over the years. The traditional strategy to large AC motor protection (e.g., over 500 hp), ...

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.