ABB ST203M-K63NA




The ABB ST203M-K63NA is a 3-pole miniature circuit breaker designed to handle up to 63 amps with a voltage rating of 480Y/277V AC. Featuring a K-curve trip characteristic and a breaking capacity of 10 kAIC, this device provides reliable supplemental protection for various electrical systems. Part of the ST200M series, it includes a neutral connection and meets UL 1077 and CSA 22.2 standards. This circuit breaker, available through BSP Automation, is a solid choice when you need a sturdy, compact protective solution—perfect for keeping your setup running smoothly without the fuss.
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