Circuit Breakers
Circuit breakers are among the most common hard-to-source items we handle. We supply molded case, insulated case and low-voltage power breakers across frame sizes, including obsolete frames and discontinued product lines.
Request a QuoteWhat we source
- Molded case circuit breakers (MCCB)
- Insulated case circuit breakers (ICCB)
- Low-voltage power and air circuit breakers
- Motor circuit protectors
- Bolt-on and plug-in branch breakers
- Trip units, rating plugs and accessories
What to send us
- Manufacturer and catalog numberThe single most useful piece of information
- Frame size and amp ratingFor example 150A within a 250A frame
- Number of polesOne, two or three pole
- Voltage ratingFor example 240V, 480V or 600V
- Interrupting ratingThe AIC rating, if specified
- Trip unit typeThermal-magnetic or electronic, and any accessories
Looking for circuit breakers?
Send the catalog number, the specifications, or a photo of the nameplate. New, used, surplus or obsolete — we will tell you what we can find.
Other categories we handle
Switchgear
Low and medium voltage lineups, sections and replacement components.
View Equipment →Switchboards
Main and distribution switchboards, service entrance sections.
View Equipment →Transformers
Dry-type and liquid-filled units across common kVA ratings.
View Equipment →Panelboards
Lighting and power panels, interiors, tubs, trims and covers.
View Equipment →Disconnect Switches
Fusible and non-fusible safety switches, indoor and outdoor rated.
View Equipment →Motor Starters & Contactors
Combination starters, contactors, overload relays and MCC buckets.
View Equipment →Busway & Bus Plugs
Feeder and plug-in busway, elbows, fittings and bus plugs.
View Equipment →