The Square D X Series 15A 3-way Switch Module with Side Wire Clamps allows you to swap out faceplates quickly and easily without removing the switch and rewiring. The rated operational voltage of this switch is 120V and 277V. Its unique patented 3-way switch module is designed to support the swap out of color rocker plate cover plate (not provided) that easily snaps into place for a modern, flush-facing finish. Sold in 10 pieces, the connection are screw terminal. Its matching mounting box can be recessed into the surface of the wall for flush mounting. This device is compatible with the rocker plate and the cover plates of the XD series, so that the personalization of your interior design with many styles of dcor is possible. This switch has a width of 37 mm, a height of 103 mm and a depth of 35 mm. The UL certified switch without the rocker plate allows for use during rough-in phase. It supports upgrading the color or design of the switch after initial installation without removing the switch from the wall. By satisfying the UL 20 standard, this switch is cUlus certified. Its Ue rated operational voltage is 120VAC. Its Ie rated operational current is 15A. This device enables flush mounting. The dimensions are (W) 37mm x (H) 103mm x (D) 35mm. This product comes with 10 pieces per pack. This device is compliant with UL 20 standard and cULus certification.