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The ABB ST203M-K20 miniature circuit breaker provides supplementary protection up to 480 Y / 277 VAC and 125 VDC. Ideal for multiple applications and markets, it is fully compatible with System pro M compact accessories. This 3-pole breaker has a K curve and a 20A current rating.
The ABB ST203M-K20 is a miniature circuit breaker providing supplementary protection in various applications. It features a K curve, 3 poles, and a 20A current rating.
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