MICRO SWITCH™ High Temperature Large Basic Switches: HT Series, Single Pole Double Throw (SPDT) 3 A 125 Vac, Corrosion Resistant Enclosure, 15/32-32 Thread Bushing with 0.8 mm [0.320 in] Diameter Additional Overtravel Plunger, Switch will Withstand Temperature of 538 °C [1000 °F], Ceramic Base with 6-32 Hex Nut Screw Termination, Panel Mount, UL, CSA