W11182140 - Whirlpool Microwave Upper Interlock Switch

This Whirlpool Microwave Upper Interlock Switch (W11182140) is a genuine part for Whirlpool microwaves and compatible with Maytag models. It acts as a crucial safety mechanism, preventing the microwave from starting when the door is open. The interlock switch assembly, often referred to as a "microwave door interlock switch" or "safety interlock switch," ensures that the microwave's shielding is intact and functions correctly to avoid any accidental radiation leakage. The assembly may include multiple parts; for a complete list, refer to your microwave's parts diagram. Symptoms indicating this part might need replacement include the microwave continuing to operate with its door open, not starting at all, or displaying error messages related to the door's status. Before purchasing, verify your device's model number for compatibility to ensure this upper interlock switch matches your microwave's specifications.