Global Sources has a full-scale list of wholesale motor protection circuit breaker products at factory prices featured by verified wholesalers & manufacturers from China, India, Korea, and other countries to satisfy all the requirements!. Global Sources has a full-scale list of wholesale motor protection circuit breaker products at factory prices featured by verified wholesalers & manufacturers from China, India, Korea, and other countries to satisfy all the requirements!. Numerous top-rated manufacturers & wholesalers in Global Sources have been carrying trendy motor circuit breakers products here! Feel free to inquire directly with suppliers for more details of wholesale motor circuit breakers products for sale. Global Sources is your trusted destination for. . Also, please take a look at the list of 76 circuit breaker manufacturers and their company rankings. Here are the top-ranked circuit breaker companies as of January, 2026: 1. COAST BREAKER, 2. Bay Power Inc. Qsonica, LLC. What Is a Circuit Breaker? What Is a Circuit Breaker? A circuit breaker is. . Hydraulic-magnetic and thermal-magnetic type circuit breakers are also provided. Some products are available in 61. 4 mm length, 5 to 63 A current rating, and 240 V supply rating. Offered with DIN rail mountings, auxiliary switches, trip alarms, handle locks, and busbars. Our catalog includes 106,208 manufacturers, 20,784 distributors and 94,564 service providers. Our international database contains. . The GSM8-32 and GSM8-80 series motor protection circuit breakers have the following purposes:The GSM8-32 series motor protection circuit breaker is mainly used in circuits with AC 50Hz/60Hz, rated working voltage up to 690V, and rated working current of 0. Siemens Siemens is the global powerhouse in electrical engineering. .