Airpax Corporation offers their ATR Series of thermal circuit protectors. Hydraulic-magnetic and thermal circuit breakers are available in 277/480Vac, 125 amp. Magnetic circuit breaker offerings include SAR and SAS circuit breakers, SNAPAK circuit protectors, AP/UP and AP/MIL circuit protectors, IPA/CPA circuit breakers, and many more.

Heinemann offers a line of GJ1P Series (100-1200 Amperes DC, panel mount), AM/S Series, HJ Series and GJ Series hydraulic magnetic circuit breakers. The Heinemann Series CD-CE-CF are compact, economical E-Frame electrical circuit breakers in single and multiple models.

Cooper Bussmann is a manufacturer of SMD fuses, radial and axial leaded fuses, 1/4" ferrule fuses, 5 x 20mm ferrule fuses, 5 x 15mm ferrule fuses, 1/4" ferrule fuse accessories, 5mm ferrule fuse and radial fuse accessories, and ESD suppressors. They also offer panel mount, stud mount, quick disconnect, high amp and marine rated circuit breakers. 12 volt circuit breakers are available, as well as commercial types.

Circuit Breaker Service is a supplier of circuit breakers. They carry such manufacturers as American, Bryant, Challenger, Crouse Hings, Cutler Hammer, Federal Pacific (FPE), General Electric (GE), ITE Siemens (Bulldog), Murray, Square D, Sylvania, Thomas & Betss, Wadsworth, Westinghouse and Zinsco.

Moeller makes the NZM molded case electrical circuit breaker for use in 1 to 1200A applications with interruption up to 150kA as well as NS Molded case switches rated from 125 to 1200 amp.

Yaskawa makes medium-voltage gas rotary arc fault circuit breakers rated from 3.6 to 15 kV, continuous current from 600 to 3000A. These circuit breakers meet ANSI, IEC, and JEC standards and are for use in power generating plants, substations, and industrial plants. The Yaskawa SF6 gas rotary arc fault circuit breakers are safer to operate than vacuum and other competitive types because of two-stage pressure switches.

Schurter makes circuit breakers for equipment including thermal and thermal-magnetic styles with 1, 2, 3, or 4-pole models and rated voltages of 240/480VAC and 28/65/180/360VDC and rated current from 0.05A to 52A. Current ratings of fuseholder style circuit breakers range from 5-16 Amps at 240 Volts AC and 5-8 Amps at 48 Volts DC, 10-16 Amps at 32 Volts DC. Panel mount circuit breakers, switches and transformers are also available. Schurter makes circuit breakers for commercial and household kitchen appliances.

Illinois Circuit Breakers specializes in the sales and service of low and medium voltage power distribution equipment, including circuit breakers, switchgears, transformers, substations and much more. They carry General Electric (GE), Westinghouse, Cutler-Hammer, Siemens, Federal Pacific and Square D circuit breakers.

Snap Action makes thermal resettable miniature circuit breakers with manual or auto reset modes from 2.5A to 40A , 50VDC/250VAC maximum. They use snap-in, bushing, PCB, or fuse clip mounting methods.

Milbank makes meter/breaker combination sockets for buildings with requirements of 100 or 450 amps, are NEMA 3R rated, with 4, 5, and 7 terminal meter socket models available, rated at 120/240VAC.

Appleton makes bolted and threaded type circuit breakers that are for hazardous locations and are explosion proof, dust/ignition proof and water tight.

Kuoyuh makes several circuit breakers, from 0.5 to 80 amp, 125/250VAC, 50VDC at 50/60Hz, and resettable switches.