So you have power circuit breakers at your facility, and they seem to be just fine, sitting there quietly doing their job. What you may not realize is that even though your circuit breakers are ...

A 240-volt service powers heavy-duty appliances like ovens, air conditioners, water heaters and electric dryers. If something goes wrong in that panel, it may cause those systems to fail, damage the ...

This document provides information on receiving, storage, handling, installation, inspection, and maintenance of alternating current outdoor high-voltage circuit breakers. The National Electrical ...

Wherever circuits need protection against current overloads or short circuits, you’ll find circuit breakers. They range from fingernail-sized devices for semiconductor protection to truck-sized ...

ABB has released the 38 kV R-MAG outdoor vacuum circuit breaker. First introduced in 2002 for 15 kV and 27 kV applications, the R-MAG breaker uses a magnetic actuator design that has only one moving ...

ABB has announced an extension to its line of R-MAG outdoor circuit breakers to include 3000 A and 3700 A, 15.5 kV ratings. ABB has announced an extension to its line of R-MAG outdoor circuit breakers ...

An older couple taking a look at their circuit breaker box - Coldsnowstorm/Getty Images Circuit breakers can be frustrating. You're happily bopping through your day, perhaps craving an English Muffin, ...

THE Electrical Research Association has recently reported an interesting development which has taken place in connexion with its programme of research on gas blast circuit breakers. Normally the ...