Universal 3pin normally open microwave door switch — reliable replacement for microwave ovens and other household appliances. Key benefits Restores doorinterlock function: replaces a faulty door limit switch so the oven only operates when the door is properly closed, improving safety and usability. Simple installation: 3pin normally open design matches common microwave switch wiring, making it straightforward for DIY repairs or professional service. Durable construction: made from metal and plastic materials for stability and long service life under normal household use. Versatile compatibility: designed as a universal replacement part for a wide variety of microwave ovens and compatible home appliances that use a 3pin normally open switch. Features and attributes Function: door limit/door button switch that interrupts power until the door is closed. Design: 3pin normally open contact configuration for standard microwave wiring. Material: metal and plastic components provide strength and reliable mechanical action. Performance: consistent switching action to help maintain oven safety and restore reliable operation quickly. Form factor: compact, lowprofile switch suitable for internal mounting in microwave door assemblies (check your appliance wiring and mounting points for fit). Use scenarios a worn or broken microwave door switch to stop intermittent operation or a microwave that won't start. Keep as a service spare for appliance technicians working on multiple microwave models that use a 3pin normally open switch. DIY home appliance : restore a broken door button or limit switch to avoid replacing the whole unit. Notes for buyers Verify your appliance uses a 3pin normally open switch and that the mounting and connector style match before . If unsure about wiring or installation, consult your appliance manual or a qualified technician to ensure safe replacement.