Fused spur unit or fused connection unit, is an electrical switch with a built in fuse, designed for appliances that do not have or require a fused plug top. Fused spur units are also used for high powered electrical equipment with heavy continuous loads, so that the appliance can be isolated by a single cable from a ring main for safety and maintenance purposes. This model is 13A rated with flex outlet. Made from high quality premium grade material Complete with integral gasket for moisture protection Minimum mounting depth: 25mm Dimensions: 86mm x 86mm Supplied in retail blister with full fitting instructions Compliant to BS 1363 15 year guarantee.