Dimmer Switch, Lighting Controller, Power Socket manufacturer / supplier in China, offering 0.5A 250V 4 Pin Refrigerator Door Switch Normally Under Two Pin Power on Push Button Upper Two Pin Power on, 0.5A 250V 4 Pin on-off Refrigerator Door Button Switch, UL Listed, Tamper Resistant, 20 AMP, 120 Volt GFCI Outlet and so on.