The Allen Bradley 1492-SPM1B150 is a miniature circuit breaker designed for 15-amp, single-pole applications. It supports operating voltages up to 277VAC and 48VDC, making it suitable for a variety of control and protection tasks. This supplementary breaker is intended for resistive or lightly inductive loads and features a Trip Curve B characteristic, providing reliable and consistent tripping performance. Distributed by BSP Automation, this compact device is ideal for safeguarding circuits in industrial automation systems where space and precise protection are important.