Circuit Breakers definition: A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess curr... Circuit Breakers Product Listing: 054007-08508,3M 1318-1 0.25 X 72YD-YELLOW,1900824,922578-34,751K.Circuit Protection type:Circuit Breakers(342033),TVS - Diodes(153041),Fuses(69401),TVS - Varistors, MOVs(33902),Electrical, Specialty Fuses(27310) .Circuit Breakers has 124 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the Twicea.