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The Niglon PMCB10D3-50 is a 50A triple-pole Type D miniature circuit breaker (MCB) from the Protego 125 range, with a 10kA breaking capacity. It protects final circuits against overload and short-circuit faults, and is designed for use with Protego 125 distribution boards.
Type D breakers trip at 10–20 times rated current, making them suited to high-inrush loads such as transformers, large motors and welding equipment. Manufactured to BS EN 60898-1.
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