ABB ST203M-Z25

The ABB ST203M-Z25 is a 3-pole miniature circuit breaker rated for 25 amps and designed for use in 480Y/277V AC systems. Part of the ST200M series, this breaker features a Z-curve trip characteristic, making it well-suited for protecting circuits with moderate inrush currents. It offers a 10 kA interrupting capacity, ensuring reliable protection against short circuits. Compliant with UL 1077 and CSA 22.2 standards, this compact device is a solid choice for supplemental circuit protection. You can find the ST203M-Z25 distributed through BSP Automation, where it’s a popular pick for those seeking dependable and straightforward circuit safety solutions.