ABB ST202M-D3

The ABB ST202M-D3 is a reliable miniature circuit breaker designed with two poles and rated for 3 amps, making it a solid choice for protecting electrical circuits up to 480Y/277V AC. Featuring a D-curve trip characteristic, it’s built to handle inrush currents typical in motor and lighting circuits without nuisance trips. This unit, part of the ST200M series, delivers a short-circuit breaking capacity of 10 kAIC, ensuring robust protection in demanding setups. Known for meeting standards like UL 1077 and CSA 22.2, it’s a dependable component that’s often relied upon by pros tuning up control panels or machine protections. Distributed through BSP Automation, the ST202M-D3 strikes a good balance between compact size and reliable performance — a real solid pick for anyone needing supplemental protection without fuss.