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The ABB ST203M-K0.5 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 thermal/magnetic breaker is DIN rail mountable.
The ABB ST203M-K0.5 is a 3-pole, 0.5A miniature circuit breaker with a K curve, designed for DIN rail mounting and UL1077 compliance.
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