The model number is usually found on the side, rear of the microwave, or on the side of the door. The model number will usually be printed or stamped on to a sticker or plate and will consist of numbers and letters.
AEG Microwave Door Latch Catch 4055172995
KW3A 2 PIN 16A 250V AC DONGNAN MICROWAVE DOOR LATCH MICRO SWITCH NORMALLY OPEN
Compatible BOSCH Washer Door Latch Hook Catch Plastic White with Spring 60338
Bosch Dishwasher Door Latch Interlock For 10006917
Genuine Bosch Microwave Door Hook Catch Lock
Sharp Microwave Oven Door Hooks (Door Latch) - fits some models