20MM Normally Closed PressOff Refrigerator Light Switch — Door Button Key A compact, reliable replacement switch for refrigerator and freezer doors. This 20MM normally closed (NC) pressoff switch restores correct dooractivated lighting and simple on/off control. Designed for straightforward replacement or retrofit, it solves common problems like lights that stay on, flicker, or fail to respond when the door opens or closes. Key benefits Restores proper refrigerator lighting: the NC pressoff action ensures the light turns on when the door opens and off when the door closes, preventing wasted energy and premature bulb failure. Simple and maintenance: compact 20MM size and pushbutton actuator make this switch an easy dropin solution for appliance technicians and DIY repairs. Reliable operation: designed for repeated door cycles so the interior light responds consistently over time. Includes door button/key actuator for manual operation and testing. What it does (functionality) Normally closed (NC): circuit is closed when the actuator is released (door open), and opens when the actuator is pressed (door closed). Pressoff action interrupts power to the light when the door is shut. Mechanical pushbutton design suitable for doormounted applications where a compact, discrete actuator is required. Key attributes Size: 20MM mounting/housing size for compatibility with appliances that use a 20MM door switch. Action: Normally closed (NC) — press to open circuit (pressoff). Form: Doormounted pushbutton (door button key included for manual control or testing). Application: Specifically intended for refrigerator and freezer door light control and similar appliance door switch needs. Construction: Engineered for repeated use in door cycle applications to maintain reliable contact and operation. Use cases / applications Refrigerator : a worn or broken door switch to stop the interior light from staying on when the door is closed. Freezer and beverage cooler maintenance: Restore proper dooractivated lighting and prevent continuous power draw or inconsistent lamp behavior. RV or camper appliance retrofit: Install a compact, reliable door switch where a 20MM pressoff actuator is required for spacelimited applications. Why customers choose this switch Directly addresses the common failure mode of door light switches (lights that fail to turn off or on). Compact 20MM size fits many standard appliance mounting holes for an uncomplicated replacement. The normally closed pressoff design mirrors the original factory behavior of many refrigerators, making it suitable for likeforlike swaps. Installation notes Intended for doormounted mounting with a 20MM hole size; confirm fit and wiring compatibility with your appliance before installation. Power should be disconnected before replacing any electrical components. If you are unsure about wiring or compatibility, consult a qualified technician. This 20MM normally closed pressoff refrigerator light switch with door button key provides a practical, dependable solution for restoring correct dooroperated lighting in a range of household and mobile appliances.