ABB ST201M-K4

The ABB ST201M-K4 is a reliable miniature circuit breaker designed for single-pole applications, rated at 4 amps and suitable for 480Y/277V AC systems. This model features a K-curve trip characteristic, providing quick response to short circuits while allowing for temporary surge currents, making it a solid choice for protecting sensitive circuits. With a 10 kA interrupting capacity, it ensures robust protection against faults. Part of the ST200M series of supplemental protectors, this breaker meets UL 1077 and CSA 22.2 standards, confirming its safety and performance credentials. Distributed by BSP Automation, the ST201M-K4 is a dependable component that keeps electrical setups running smoothly without any unexpected hiccups.