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Discover a selection of obsolete Contactum RCBO’s online from Electrical Discounted Supplies. Browse a variety of ranges including the popular Defender 1.0 series of circuit protection. With the combined functionality of an MCB and RCD; an RCBO helps to protect installations against electrical faults

Want your item fast? Then why not use our FREE 1 hour “click and collect” service (Mon-Fri). Based in Warrington, Cheshire we are easily accessible from several major motorways!