WYLEX B40 PLUG IN MCB'S WITH BASES BS3871 Condition: looks new with few blemishes from aged packaging with no signs of use. BSEN60898 MCB plug in generally used to replace the old 'rewirable fuses' and cartridges fuses. The MCBs have been continuity tested, and confirmed working. This product is a complete assembly which includes the; - MCB - Base
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