The 140M-F8E-C45-MT is a manual motor protection circuit breaker designed for three-phase systems with a supply voltage of up to 690 VAC at 480 V, 60 Hz. It features an adjustable thermal current range of 32 to 45 amperes and offers a maximum fault current capacity of 5 kA. This molded case circuit breaker is UL/CSA listed as part of a combination motor controller or self-protected system, providing both overload and short-circuit protection for individual motors. The 140M-F8E-C45-MT includes a standard magnetic trip setting (fixed at 13 times the rated current), with a frame size F suitable for bus bar mounting and top feed configurations. It is designed to help optimize operational reliability and reduce downtime when used as part of motor protection solutions.
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