The C440 and XT electronic overload relays provide motor protection. They feature both integral ground fault protection and communications capabilities, in a single, compact device. They directly ...

The Series ZD solid-state relay, six-pin plastic dual-inline package is designed for commerical, military, and aerospace applications. The 1-A 80-V dc unit uses a FET switch and comes in a... The ...

Solid-state relays provide robust solutions for electronic switching in load control applications and hold many advantages over electromechanical relays. New, emerging solid-state relay designs offer ...

To be competitive, some electrical contractors often supply low-voltage (LV) service entrance switchboards and switchgear that meet the minimum safety requirements of the National Electrical Code (NEC ...

The objective of protective relays and protective schemes is to protect electrical equipment such as transformers, lines, cables, bus bars, etc. during abnormal system conditions. Hence, protective ...

As automotive engineers continue to implement more electronics on vehicles and tighten specifications and expectations for high reliability, the venerable mechanical relay has become endangered. A new ...

ABB has signed a multi-year agreement with the Tennessee Valley Authority (TVA) worth $15 million to supply 670 Series protection and control relays over the next 10 years. Oct. 7, 2008 2 min read ABB ...

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), ...