Allen-Bradley 1492-SPM3C020 is a three-pole, current-limiting supplemental circuit breaker from the Bulletin 1492-SPM family, specified as a 2 A rating with a Trip Curve C and No Neutral. This model is designed for use as a supplementary protective device in multi-pole control circuits and is available in a neutralless configuration (the 1492-SPM3C020-N adds a neutral option). It features dual terminals for wiring and busbar flexibility, enabling flexible wiring layouts in compact control panels while providing reliable protection in demanding applications.
