Cooper Wiring Wd1664 Indoor Automatic Door Switch
Highlights: Size : 3.94" x 1.25" x 1.25". Automatic switch On when door is open, off when closed. 125/277 VOLT AC - 1/3 HP 6" wire leads with female disconnects: #18 AWG - FT1 Stripped 0.50". Brass-toned faceplate 1.25" width. Includes steel switch box with 4 knock outs.