The ABB ST203M-D32NA is a compact 3-pole miniature circuit breaker designed to handle up to 32 amps with a 480Y/277V AC rating. Part of the ST200M series, this breaker features a D-curve trip characteristic, making it well-suited for protecting circuits with moderate inrush currents, like motors or transformers. It offers a 10 kA interrupting capacity, ensuring reliable protection against short circuits and overloads. This model also includes a neutral connection, which simplifies wiring in certain setups. Distributed by BSP Automation, the ST203M-D32NA is a solid choice when you need a dependable circuit protector that’s both efficient and straightforward to implement.