ABB ST203M-K15

The ABB ST203M-K15 is a compact 3-pole miniature circuit breaker rated for 15 amps and designed to handle voltages up to 480Y/277V AC. Part of ABB's ST200M series, this breaker features a K-curve trip characteristic and a breaking capacity of 10 kAIC, making it a solid choice for protecting circuits in commercial and industrial settings. Commonly referred to by its alternative number, 016779024703, this device ensures reliable supplemental protection and complies with UL 1077 and CSA 22.2 standards. Distributed by BSP Automation, the ST203M-K15 is a dependable piece of gear that fits seamlessly into a variety of electrical setups—perfect for those who need robust safeguarding without any fuss.