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

The Motor Insight™ solid-state overload relay offers solid-state motor protection and control. Its advanced monitoring capabilities include thermal overload, ground fault detection, power voltage, and ...

The NEC defines a controller in a few different ways. In Art. 100, a controller is described as “a device or group of devices that serves to govern, in some predetermined manner, the electric power ...

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), ...

I appreciated the feedback I got on my switch blog (This Little Switch Went to Market). This time, let's deal with the electromechanical (E/M) device, the relay. I know there are solid-state relays; I ...