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Circuit Breakers

Circuit breakers are one of the most important devices that we have in our homes or businesses. They are responsible for checking the flow of electricity (amperage). If too much current is flowing, they are designed to trip and to protect from overheating until a qualified person can evaluate the problem. They provide a great deal of safety and prevent damaging electrical fires.

When you need circuit breakers, turn to We offer circuit breakers for many applications including residential, commercial and industrial applications. We deal in 600 volts AC or less and amperages ranging from 15 to 4000 amperes. Please use our product selector guide for circuit breakers, on the left, to help select the product you are interested in and click on it to get detailed specifications in it.

Simply select from the parameters shown to help you choose the circuit breaker that you need, or simply type in the catalog number if you know it, and load it into your shopping cart for easy purchase.

Circuit Breaker Brands Offered at

At, we offer high-quality circuit breakers from most major American manufacturers, as well as some European manufacturers, including the following:
  • American Circuit Breaker
  • Challenger
  • Cutler Hammer
  • Federal Pacific (FPE)
  • General Electric (GE)
  • GTE-Sylvania
  • I-T-E
  • Magnetrip
  • Milbank
  • Siemens
  • Square D
  • Sylvania
  • UBI
  • Unicorn
  • Westinghouse
  • Zinsco
Check out our Circuit Breaker Selection »


If you do not see the circuit breaker that you are looking for in the product selector, below, please give us a call from any of the 48 contiguous states at 1-888-340-5979, and we will help you find it. Our knowledgeable staff will be glad to help answer any circuit breaker application or specification questions that you may have. You can also reach us through our Contact Us page with any circuit breaker questions that you may have, as well as email us a picture of an existing circuit breaker that you need help with.

Use of Original Equipment Manufacturer (OEM) trademarks is for information purposes only, and does not represent an endorsement of the original equipment manufacturer. is not affiliated with any OEM.