The crisp " " response confirms a secure connection, the common " blown " issue caused by sticky or intermittent door interlocks switches Restores microwave functionality immediately your microwave display works but it won ' t heat, or the turntable spins while the door is open, this switches is the solution Engineered for longevity with high conductivity silver-alloy contacts to overheating and premature wear Includes three switches for a complete interlocks systems overhaul Most microwaves use 2-3 switches ( Primary, Secondary, and Monitor); having this 3-pack ensures you have all replacements on hand to fix the " Microwave light stays on " or " Fan runs constantly " symptoms in go Normally Open microswitch at 16A 125 / 250VAC Features a 2-pin terminal design for a precise fit