Allen-Bradley 140M-F-PNC43 Circuit Breaker

The Allen-Bradley 140M-F-PNC43 (140M-F-PNC43) is a circuit breaker designed for use in industrial control systems and motor control equipment. Operating as a critical protective device within electrical control panels, this component provides reliable overcurrent and short-circuit protection for connected electrical circuits and machinery. It helps prevent damage to downstream automation devices, motors, and power distribution systems by promptly interrupting fault currents and abnormal operating conditions. Manufactured by Allen-Bradley for demanding manufacturing environments, the 140M-F-PNC43 circuit breaker features a robust industrial design engineered for dependable operation, routine maintenance, and direct replacement in compatible equipment. With a net weight of approximately 10 kg, the unit integrates into industrial control assemblies, distribution switchgear, and motor branch circuits. It is widely used in automated manufacturing lines, material handling systems, packaging machinery, and industrial processing plants where continuous equipment protection and minimized downtime are essential.