ABB ST203M-D25

The ABB ST203M-D25 is a compact 3-pole miniature circuit breaker designed to handle up to 25 amps at 480Y/277V AC. Part of the ST200M series, this breaker features a D-curve trip characteristic, making it ideal for protecting circuits with moderate inrush currents. With a 10 kA interrupting capacity, it ensures reliable protection against short circuits and overloads. You can find this product through BSP Automation, who offer a solid range of ABB components. Sometimes called a “mini MCB,” this breaker is a handy choice for supplemental protection in various industrial setups.