MICRO SWITCH™ Hazardous Location Switches: BX2 Series Hazardous Area Limit Switch, Non Plug-in, Stainless Steel, 20 mm Conduit Thread, Side Rotary Momentary, 1NC 1NO Single Pole Double Throw (SPDT) Snap Action, Double Break, 0.5 in - 14NPT Conduit, Nylon Roller Lever