MICRO SWITCH™ Subminiature Basic Switches: SM Series, Single Pole Double Throw (SPDT), 4 A 250 Vac, 0,16 N [0.57 oz] Maximum Operating Force, 6,38 mm [0.25 in] Integral Roller Lever Actuator, Single Turret Solder Termination, 9,5 mm [0.38 in] Mounting Centers, UL, CSA