Green Mushroom Pushbutton Switch, Switchboard SPST-NOAdditional Notes:* SPST -NO Industrial control switch with 1-5/8in. Green Mushroom Button. * Modular construction with changable switch modules Rated 3A @ 240VAC. * Screw terminals. * Mounts in 22mm hole.* Will hold up to 3 aditional modules as listed below.* Dimensions (LxW): 2-3/4″x 1-5/8″MPJA 30016 SW