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Circuit Breaker Sales Co., Inc.
Circuit Breakers

We have the largest inventory of low and medium voltage circuit breakers in the world.

This includes thousands of new, surplus, obsolete, and remanufactured circuit breakers from General Electric, Allis Chalmers - Siemens - Siemens-Allis, Westinghouse-Cutler-Hammer - Square D, ABB - ITE, Federal Pacific, etc. as well as every obsolete low voltage & medium voltage power circuit breaker made since World War II.

Circuit Breaker Parts Online .com

Vacuum Circuit Breakers


Be sure and check out our new, compact vacuum circuit breakers. We also offer replacement vacuum interrupters, vacuum interrupter assemblies and vacuum interrupter pole assemblies for all manufacturers' medium voltage breakers.

Our breaker categories are illustrated below:

Low voltage circuit breaker
Low Voltage (600 Volts)
Air Circuit Breakers Insulated Case Breakers Molded Case Breakers
Category Low Range High Range
Voltage 208 Volts 600 Volts
Current 400 Amps 5000 Amps
Interrupting Capacity 22 kAIC 200 kAIC
Trip Ratings Long Time,
Instantaneous (LI)		 Long Time, Short Time, Instantaneous,
and Ground Fault (LSIG)
Auxiliaries 1 no/1 nc 4 no/4 nc
Electrical Operators (list voltage) All ranges All ranges
Shunt Trips (list voltage) All ranges All ranges
Under voltages (list voltage) All ranges All ranges
Fuses (limiters) 800 Amps 4000 Amps

Medium voltage breaker
Medium Voltage (5-27kV)
Vacuum Breakers Air Breakers
Category Low Range High Range
Voltage 2400 Volts 34,500 Volts
Current 600 Amps 3000 Amps
MVA Rating 150 MVA 1000 MVA
Auxiliaries 1 no/1 nc 4 no/4 nc
Shunt Trips (list voltage) All ranges All ranges
Undervoltages (list voltage) All ranges All ranges
Fuses (limiters) 800 Amps 4000 Amps



We stock the following manufacturers products:

Low Voltage Medium Voltage
  • GE - General Electric
  • Westinghouse-Cutler-Hammer
  • Siemens-Allis Chalmers
  • ABB-BBC-ITE-Gould
  • Federal Pacific
  • Square D
  • Roller Smith
  • GE
  • Westinghouse-Cutler-Hammer
  • Siemens-Allis Chalmers
  • ABB-BBC-ITE-Gould
  • Federal Pacific
  • Square D


Let us do a stock check for you on any breaker type that you need.

    Simply enter a description or list the manufacturer's type and catalog number. We know all the part numbers, so either way will work for us.

We also rebuild, repair and retrofit breakers. If you'd like a price on repairing or upgrading your breaker(s), just send us an e-mail message.

Also see our Repair and Retrofit page.

$ $ $ $ $ We're paying top dollar for solid state trip devices used on low voltage circuit breakers - even non-working units! Click here for details.

If you're looking for small breakers for equipment, check out Poco Sales. They feature breaker manufacturers such as AirPax, CBI / Hy-Mag, E-T-A, Eaton / Heinemann, Carlingswitch, Schurter, Potter & Brumfield


Contact Us:
By E-Mail
Tel: 800-232-5809 or 940-665-4444
Fax: 940-665-8971
NOTE: We do not deal in residential equipment.
Circuit Breaker Sales Co., Inc.
1315 Columbine, Gainesville, Texas 76240