Key Players Covered: Some of the leading companies in the molded case circuit breaker are ABB, Schneider Electric, Fuji Electric Co., Ltd., Legrand, Hitachi Industrial Equipment Systems Co. Ltd., Rockwell Automation, Siemens, GE, Eaton, Toshiba, Mitsubishi Electric Automation, Inc., Galco Industrial Electronics, Maxge Electric, and Shanghai Liangxin Electrical Co., Ltd.