Red Mushroom Pushbutton Switch, Switchboard SPST-NCAdditional Notes:* SPST-NC Momentary Industrial control switch with 1-5/8″ Mushroom Red Button.* Modular Construction with changable switch modules Rated 3 Amp @ 240 Volt AC. * 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″* Additional Switch Modules: 35091-SW SPST-NC Momenary Module 35090-SW SPST-NO Momenary ModuleMPJA 30015 SW