ABB ST202M-K8 Safety Relay Module

ABB ST202M-K8 is a 2-pole miniature circuit breaker (MCB) rated for 8 A, designed for 480Y/277 V operation with a 10 kA short‑circuit current rating and a K-type trip curve. Listed to UL 1077, this device provides reliable branch protection by interrupting fault currents in electrical distribution systems while meeting safety standards. As part of ABB’s ST200/M family of protective devices, the ST202M-K8 is intended for straightforward integration into standard panel installations to guard circuits against overloads and short circuits in commercial and light industrial applications. With its 8 A rating, it is well-suited for small control circuits, lighting circuits, and auxiliary power feeds requiring dependable, fast fault clearing.