Common timing. 3-wire installation. Override facility. BS EN 60730-2-7:1992 and 8182 / 8319, BS EN 50081-1 & BS EN 50082-1:1992. Specifications: Switching/contact rating: 6A. H x W x D: 112 x 153 x 33mm. Backplate fit: 9-way (included). Not suitable for underfloor heating.