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: 139865,29740,132418,111068,114049.Circuit Protection type:Circuit Breakers(341333),TVS - Diodes(147803),Fuses(68659),TVS - Varistors, MOVs(33661),Electrical, Specialty Fuses(25994) .Circuit Breakers has 257 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the Anli.