MICRO SWITCH™ Subminiature Basic Switches: SM Series, Single Pole Double Throw (SPDT), 4 A 250 Vac, 0,56 N [2.0 oz] Maximum Operating Force, Pin Plunger Actuator, 2,8 mm x 0,51 mm [0.110 in x 0.020 in] Quick Connect Termination, 9,5 mm [0.38 in] Mounting Centers, UL, CSA