
Circuit Breakers - New, Used, & Obsolete
Circuit breakers are the heart of any electrical system, and when they fail, they can cause major disruptions. Bay Power can help minimize the disruptions by getting you the breaker you need, quickly. Whether it be molded case breakers, air breakers, insulated case breakers, or vacuum breakers, we can deliver.
We Carry Breakers from all the Top Manufacturers
We are an authorized ABB dealer, but we can get you a brand new in-box direct replacement or a used replacement for obsolete breakers, tested, with a 1-year warranty from any manufacturer, including GE, Square D, Cutler Hammer, Siemens, and many others. If you need help identifying the breaker that failed, give us a call or send us a note. Our experts can help you determine the best replacement options. Call us for the fastest service!
Bay Power carries a wide variety of replacement circuit breakers, new in-box and used, all types, along with hardware, and enclosures. We carry all manufacturers, including obsolete brands, but we have a huge inventory of these top brands:

Molded Case Circuit Breakers
We specialize in new in-box, used, and obsolete breakers for replacement and system additions. We boast a massive inventory of molded case breakers from all manufacturers across four inventory locations. We are an ABB authorized dealer. If we don't have it in stock, we can get it for you quickly.

Air Circuit Breakers
We stock air circuit breakers from major manufacturers for use in switchgear, switchboards, and large distribution systems. We can supply both current production models and hard-to-find legacy breakers, helping electrical contractors and maintenance teams source the right ACB for retrofit projects, system upgrades, or emergency replacements.

Insulated Case Breakers
We carry insulated case breakers from leading manufacturers and maintains access to a wide range of frames, trip units, and accessories. Whether you need a replacement breaker for an existing switchboard or are sourcing components for a new installation, we can help identify and supply the correct ICCB quickly through our inventory and supplier network.

Vacuum Circuit Breakers
We can supply vacuum breakers for a variety of switchgear and distribution systems through our authorized manufacturer partnerships and supplier network. Whether you need a new unit, replacement breaker, or support identifying the correct model for an existing lineup, our team can assist with sourcing the appropriate vacuum circuit breaker for your application.
Breaker Hardware
From undervoltage releases to breaker handle ties, shunt trips to rating plugs, trip units and lugs, your circuit breaker accessories are just as important as the circuit breakers themselves. Choosing the right circuit breaker accessories will help protect your electrical system and your circuit breakers, as well as extend their lifespan.
