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KW3AT series switch have two different forms of circuit - Normally Open / Normally Closed
- Normally Open Switch
Normal time Terminal COM connect to Terminal NC, the Circuit is Open; When pressed the button, Terminal COM connect to Terminal NO, the Circuit is Closed
- Normally Closed Switch
Normal time Terminal COM connect to Terminal NC, the Circuit is Closed; When pressed the button, Terminal COM connect to Terminal NO, the Circuit is Open
Karl Stephen
August 17, 2025
Easy to install with the help of You Tube videos, worked like a charm and resolved the issue of the microwave fan turning on every time the door was opened.
K.S.
August 6, 2025
Perfect fit for a Gourmia Model GAF838 air fryer so far that wouldn't detect that the basket is fully engaged into the air fryer, preventing you from operating the LCD screen to turn it on. Without a working switch, the LCD screen won't turn on. Basically removed the bottom screws on the air fryer, took out the melted/broken switch and then installed this one. Works great so far and will update this review if it fails.
Your local resident online shopper
July 20, 2025
My microwave was turning with the door open so searched up a solution and was led to replacing the door switches. Process is straightforward but had a few issues along the way. Removing the panel took a little work since its an old microwave that had some grease built up from the kitchen trying to hold it in place. Took advantage of having it off to clean the travel paths for the cover. The connections where hard to remove so I wiggled them out with a needle nose plier. I did take pictures before I started but I did not check orientation, not sure if it mattered given they where back in the same location but I did orient them all the same afterwards. I replaced the blown one and closed it back up but it still had the same issue, ended up having to play around with the switches for a while and ultimately found how to use a multimeter to detect if the circuit was open or closed to help me figure out what was going on. Well long story short I closed it back up and it works flawlessly now but I'm not sure how I fixed it 😂 It's been a while and its still going fine with a switch to spare.
Robert W. Gomez
July 19, 2025
My GE GE jmv6175dk2ww was shutting off/turning on seemingly randomly when the door was opened or closed. I replaced all three door switches with these and now my Microwave works. Note that unless you know exactly which switch is broken, you will probably need all three of the switches in this package (the middle switch on this GE microwave is reversed, hence the "normally closed"/"normally open" distinction in the product description. It's easy to distinguish by color of the buttons.)My only complaint is that these switches' connectors are ever so slightly larger (like a micrometer thicker) than the stock switches and it was difficult to re-insert them into the microwave's receptors. It required much more force than felt comfortable applying to the plastic and a little bending of the receptors to get them inserted.
Karmen
July 15, 2025
Works well and priced so good
Art Harrington
June 11, 2025
My Toshiba microwave oven started to give me issues months ago when after opening the door the turn table inside kept turning. The microwave would still work but then last week it finally stopped working altogether. After doing a little research I took the microwave apart and removed the switches and tested them with a multimeter and realized the bottom switch, picture attached, was corroded and not clicking anymore. This is a normally open switch. I replaced it and it fixed the problem.When you get the switches it doesn't say which switches are Normally Open or Normally Closed so I used my multimeter to figure it out. I didn't realize that the terminals are slightly different and that's how you tell which is which. All in all this was a simple and cheap way to fix a microwave without having to purchase a new one. Just remember to take detailed pictures of your wiring.In order to not forget where I put the other switches in case I need to use them, I taped them to the back of the microwave. I got this tip from another reviewer.
madera rosa way
May 28, 2025
This higher temperature part (black plastic housing) fits my Cuisinart air fryer and still working well so far after a month. It doesn’t come with the metal lever that toggle against the on / off switch so you need to salvage that from the old part. Don’t buy the lower temperature version (grey plastic housing) if you have this air fryer.
Avery L Zhang
May 25, 2025
Microwave was not powering/heating the food. There were light and time but when we closed the door and hit the start button, you can hear a click sound and the countdown starting but NO power, NO hum, NO light, NO spinning, nothing. Just the timer counting down. This microwave has FOUR door micro switches and one of them was bad. The click was very weak. BTW the three that was visible were TWO normally open (NO) and one normally closed (NC, in the middle) and there was one more on the lower back of thoe three with an extra prong. Relatively easy fix and brought my 13 year GE microwave back to life. Thanks Amazon and HiQltyla!
JG
May 23, 2025
Product worked and fixed my microwave from blowing breakers. Very happy with the quality. And the price was right.
Adam
May 8, 2025
Right part that fit
BK
March 22, 2025
The switch resolved my issue with my Panasonic Microwave...Fast delivery and the price was more than fair.
Lindasmyname
March 13, 2025
Was exactly the piece we needed to fix the microwave.
Angie L. H
February 2, 2025
GE Microwave kept blowing fuses...checked switches in microwave and they seemed to be in fine working order according to most trouble shooting videos I watched. I came across one video that showed a switch that seemed to be functioning but even so was defective and when replaced corrected the issue...... maybe my issue? So I ordered these switches and replaced what seemed to be the existing "functioning switches"and now the fuse has not blow since then and microwave is humming right along! It's been a month or longer so I'm optimistic these new switches fix the problem. Switches saved me from replacing with a new microwave.
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