The Wylex NSB20 is a 20A Series 3 Miniature Circuit Breaker (MCB) with a centre top terminal. It features a single pole design and a short circuit breaking capacity of 6000A. This MCB is suitable for use in residential and commercial electrical installations.
All our items are tested, rcd based devices will have a full RCD test report included with the item.
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All products sent via Royal Mail. All items dispatched same working day if ordered before 3pm. See options if next day or faster postage required.
