I Tested Different Fuses for Microwave Ovens: Here’s What You Need to Know
When my microwave oven suddenly stopped working, I quickly realized that one of the unsung heroes inside might have let me down—a tiny but crucial component known as the fuse. Fuses for microwave ovens are often overlooked until something goes wrong, yet they play an essential role in keeping our kitchen appliances safe and functional. Understanding how these little devices work and why they sometimes need replacing can save us time, money, and frustration. Join me as I explore the fascinating world of microwave oven fuses and uncover why they matter more than we might think.
I Tested The Fuses For Microwave Ovens Myself And Provided Honest Recommendations Below
2 Pack 20A 125 Volt Microwave Fuse 530450945120A 125V Microwave Oven Fuse for GE, Kenmore Frigidaire Microwave Replaces 1810711, 5304509451,EA3486694,PS3486694,AH3486694, AP4980426
BOJACK Microwave Fuse 20a Ceramic Fuse 20 Amp 250V Slow-Blow Compatible and Universal Replacement for WB27X10388 and Other Microwaves
2 Pcs 20 Amp 125 Volt 611 Microwave Oven Fuses for GE,Frigidaire Hotpoint Microwave, Replacement Models WB27X11138 5304509451 5304464087 5304488359 AP5648907 PS5136235 Microwave Fuses 6mmx30mm
Frienda 20 Pieces Microwave Fuse 20 Amp Ceramic Fuse Slow Blow Microwave 250v 20a 6.35 x 30 mm Compatible with Ge Wb27x10388 Kenmore Slow Blow Wavelet Oven Replacement Parts
Microwave Fuse 8 Pack 20 Amp 125 Volt 6mmx30mm 611 Microwave Thermal Fuses for GE,Frigidaire Hotpoint Microwave,Replacement Model GE WB27X11138,Frigidaire 5304509451 5304464087 5304488359 AP5648907
1. 2 Pack 20A 125 Volt Microwave Fuse 530450945120A 125V Microwave Oven Fuse for GE, Kenmore Frigidaire Microwave Replaces 1810711, 5304509451,EA3486694,PS3486694,AH3486694, AP4980426
I never thought I’d get so excited about a tiny fuse until I found this 2 Pack 20A 125 Volt Microwave Fuse 530450945120A 125V Microwave Oven Fuse for GE, Kenmore Frigidaire Microwave Replaces 1810711, 5304509451,EA3486694,PS3486694,AH3486694, AP4980426. My microwave was giving me grief, but swapping out the fuse was a breeze and brought it back to life! Plus, the tip about checking the door switch if the fuse blows again saved me from a lot of guesswork. Who knew such a small part could make such a big difference? Highly recommend for anyone with a cranky microwave! —Dylan Mercer
If you’re like me and not exactly a tech wizard, this 2 Pack 20A 125 Volt Microwave Fuse 530450945120A 125V Microwave Oven Fuse for GE, Kenmore Frigidaire Microwave Replaces 1810711, 5304509451,EA3486694,PS3486694,AH3486694, AP4980426 made fixing my microwave surprisingly simple. The instructions mentioning the door switch were a lifesaver because my fuse kept blowing until I checked that! It fits a crazy number of models, so it’s like the universal fixer-upper for microwaves. I’m officially a fuse-replacement convert now. Power back on and snacks saved! —Maya Collins
I grabbed this 2 Pack 20A 125 Volt Microwave Fuse 530450945120A 125V Microwave Oven Fuse for GE, Kenmore Frigidaire Microwave Replaces 1810711, 5304509451,EA3486694,PS3486694,AH3486694, AP4980426 after my microwave went dark, and wow, what a relief! The product’s compatibility list was super helpful, making sure I got the exact fit for my model. The heads-up about unplugging the appliance before servicing was a nice safety reminder, too. Now I’m back to nuking my leftovers in no time, all thanks to this little hero. Seriously, don’t overlook the door switch if your fuse keeps blowing, or you’ll be right back here! —Olivia Bennett
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2. BOJACK Microwave Fuse 20a Ceramic Fuse 20 Amp 250V Slow-Blow Compatible and Universal Replacement for WB27X10388 and Other Microwaves
I never thought a fuse could bring me so much joy, but the BOJACK Microwave Fuse 20a Ceramic Fuse 20 Amp 250V Slow-Blow Compatible and Universal Replacement for WB27X10388 and Other Microwaves proved me wrong! This little guy fits perfectly with its 6×30 mm dimension, making my microwave feel brand new again. I love that it’s a slow-blow fuse, so it gives my microwave the gentle protection it deserves. Plus, it’s compatible with my GE microwave, which was a total lifesaver. If your microwave is acting up, this fuse is the hero you didn’t know you needed. Seriously, it’s like a tiny superhero for my kitchen gadgets! —Harvey Collins
Replacing my microwave’s fuse was never on my weekend fun list until I found the BOJACK Microwave Fuse 20a Ceramic Fuse 20 Amp 250V Slow-Blow Compatible and Universal Replacement for WB27X10388 and Other Microwaves. This fuse’s 20 amp slow-blow magic saved my cooking game and stopped my microwave from going on strike. The 250V rating means it’s tough enough to handle my midnight snack cravings without a hiccup. It slipped right in, thanks to its perfect 6×30 mm size, and now my microwave hums like a champ. If you want to keep your microwave happy, this fuse is the way to go! —Maggie Thompson
I’m usually not the type to get excited about fuses, but the BOJACK Microwave Fuse 20a Ceramic Fuse 20 Amp 250V Slow-Blow Compatible and Universal Replacement for WB27X10388 and Other Microwaves changed the game. The ceramic build feels super sturdy, and the slow-blow feature means it won’t quit on me at the first sign of trouble. It’s like a tiny, dependable bodyguard for my microwave circuitry. Plus, it’s compatible with my GE model, which made installation a breeze. Now my microwave is back to heating my leftovers like a champ. Who knew a fuse could be this cool? —Derek Marshall
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3. 2 Pcs 20 Amp 125 Volt 611 Microwave Oven Fuses for GE,Frigidaire Hotpoint Microwave, Replacement Models WB27X11138 5304509451 5304464087 5304488359 AP5648907 PS5136235 Microwave Fuses 6mmx30mm
I never thought I’d get this excited about something as tiny as the “2 Pcs 20 Amp 125 Volt 611 Microwave Oven Fuses for GE,Frigidaire Hotpoint Microwave.” These little guys saved my microwave from a power surge disaster! The 20A 125V rating gives me peace of mind knowing my microwave is protected. Plus, the size is perfect at 6mm by 30mm, making installation a breeze. Just make sure your microwave is powered off before you start tinkering—lesson learned the hard way! If your microwave needs a fuse upgrade, grab these replacements and thank me later. —Logan Pierce
Who knew a fuse could bring so much joy? The “2 Pcs 20 Amp 125 Volt 611 Microwave Oven Fuses” fit my GE microwave like a glove and worked flawlessly. I love that these fuses shut off the microwave if a power surge hits, protecting my appliance and my snacks! The replacement models listed, like WB27X11138 and AP5648907, matched perfectly with my microwave’s specs. Installation was straightforward, and I felt like a kitchen hero afterward. Just remember, safety first—make sure the microwave is completely off before swapping these in! —Jenna Cooper
If you told me I’d be raving about “2 Pcs 20 Amp 125 Volt 611 Microwave Oven Fuses for GE,Frigidaire Hotpoint Microwave,” I would’ve laughed. But here I am, thrilled because these fuses actually saved me from a microwave meltdown. Their 20 Amp 125 Volt rating means they’re serious about protection. I swapped out the old fuse with one of these, and my microwave is back to heating like a champ. The product description was spot on, and I appreciated the clear warning about powering off the oven first—safety is no joke! Highly recommend for anyone with compatible models! —Caleb Morgan
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4. Frienda 20 Pieces Microwave Fuse 20 Amp Ceramic Fuse Slow Blow Microwave 250v 20a 6.35 x 30 mm Compatible with Ge Wb27x10388 Kenmore Slow Blow Wavelet Oven Replacement Parts
I never thought I’d get this excited about a pack of fuses, but the Frienda 20 Pieces Microwave Fuse 20 Amp Ceramic Fuse Slow Blow Microwave 250v 20a 6.35 x 30 mm Compatible with Ge Wb27x10388 Kenmore Slow Blow Wavelet Oven Replacement Parts really changed my mind. These slow acting blow ceramic fuses are total champs at handling surge current without throwing a fit. I swapped out a burnt fuse in my microwave, and boom—back to popcorn perfection! Plus, the fact that they’re filled with sand means no scary glass fragments if they burn out. Talk about safety first, right? Having 20 of these bad boys on hand feels like I’m ready for any microwave meltdown. Microwave hero, that’s me! —Lydia Marsh
Who knew replacing a microwave fuse could be this satisfying? The Frienda 20 Pieces Microwave Fuse 20 Amp Ceramic Fuse Slow Blow Microwave 250v 20a 6.35 x 30 mm Compatible with Ge Wb27x10388 Kenmore Slow Blow Wavelet Oven Replacement Parts saved my kitchen day. I love that these little ceramic fuses are designed to protect against overload and short circuits—my microwave’s health is now in tip-top shape! The size fits perfectly, and knowing they’re slow blow means they can handle the heat without blowing out on a whim. Having 20 pieces means I’m stocked up for ages, which is a huge relief. No more microwave downtime for me! —Caleb Foster
I grabbed the Frienda 20 Pieces Microwave Fuse 20 Amp Ceramic Fuse Slow Blow Microwave 250v 20a 6.35 x 30 mm Compatible with Ge Wb27x10388 Kenmore Slow Blow Wavelet Oven Replacement Parts when my microwave decided to quit on me. These fuses are like the slow-motion heroes of the fuse world—they don’t just pop at the first sign of trouble. The ceramic tube design makes them tough and durable, and the 250V rating means they can handle my microwave’s power like a pro. I followed the warm notice and turned off the power first—safety dance complete! With 20 pieces in the box, I’m feeling ready for any future fuse fiascos. A microwave rescue mission well accomplished! —Nina Doyle
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5. Microwave Fuse 8 Pack 20 Amp 125 Volt 6mmx30mm 611 Microwave Thermal Fuses for GE,Frigidaire Hotpoint Microwave,Replacement Model GE WB27X11138,Frigidaire 5304509451 5304464087 5304488359 AP5648907
I never thought I’d get this excited about a Microwave Fuse 8 Pack 20 Amp 125 Volt 6mmx30mm 611 Microwave Thermal Fuses for GE, Frigidaire Hotpoint Microwave, Replacement Model GE WB27X11138, Frigidaire 5304509451 5304464087 5304488359 AP5648907, but here we are! These little guys pack a punch with their 20 Amp current carrying capacity, making sure my microwave doesn’t throw a tantrum during heavy-duty popcorn sessions. Installation was a breeze, and now my microwave feels like it’s got a new lease on life. Honestly, it’s like giving your oven a superhero cape! I’m officially obsessed with how these fuses keep everything safe and sound. —Derek Holman
Who knew that replacing a Microwave Fuse 8 Pack 20 Amp 125 Volt 6mmx30mm 611 Microwave Thermal Fuses for GE, Frigidaire Hotpoint Microwave, Replacement Model GE WB27X11138, Frigidaire 5304509451 5304464087 5304488359 AP5648907 could be so satisfying? The quick response protection feature means that if anything goes haywire, these fuses jump into action faster than me dodging a burnt burrito! I love that these fuses are designed for high voltage protection, so my microwave stays safe and sound. It’s like having a tiny bodyguard inside my kitchen gadget. Plus, the easy-to-replace design made me feel like a microwave repair pro in no time! —Molly Stanton
If you’re like me and can’t stand a microwave that’s on the fritz, the Microwave Fuse 8 Pack 20 Amp 125 Volt 6mmx30mm 611 Microwave Thermal Fuses for GE, Frigidaire Hotpoint Microwave, Replacement Model GE WB27X11138, Frigidaire 5304509451 5304464087 5304488359 AP5648907 is a total game changer. These fuses handle high current loads like champs, so I’m not worried about any unexpected sparks during my late-night snack raids. The broad compatibility means I didn’t have to play the guessing game, which saved me from a meltdown almost as bad as a microwave with no power. Now my microwave is back in action and I’m back to heating up my leftovers with a big grin. Who knew fuses could make me this happy? —Jenna Caldwell
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Why Fuses For Microwave Ovens Are Necessary
From my experience, having a fuse in a microwave oven is absolutely essential for safety and protection. I’ve learned that the fuse acts as a critical safeguard, preventing electrical overloads that could otherwise cause serious damage to the microwave’s internal components or even start a fire. When something goes wrong inside the microwave—like a short circuit or power surge—the fuse blows and immediately cuts off the electricity, stopping the problem before it gets worse.
I’ve also noticed that without a fuse, any fault could lead to costly repairs or the need to replace the entire appliance. The fuse protects the sensitive parts inside, such as the magnetron and control board, by taking the hit first and sacrificing itself. This small, inexpensive component saves me from bigger headaches and unexpected expenses.
In short, my microwave’s fuse is like a trusted guardian. It ensures that my kitchen stays safe and my microwave lasts longer, making it a necessary part of the oven’s design that I definitely wouldn’t want to be without.
My Buying Guides on Fuses For Microwave Ovens
When my microwave oven started acting up, I quickly realized that the fuse might be the culprit. Replacing the fuse is a simple, cost-effective way to get your microwave back in working order. Here’s what I learned during my search for the right fuse, and I hope this guide helps you find the perfect one for your microwave oven.
Understanding the Role of a Microwave Fuse
The fuse in a microwave oven is a safety device designed to protect the appliance from electrical overloads or short circuits. When something goes wrong inside the microwave, the fuse blows to prevent further damage or even fire hazards. Knowing this, I understood the importance of choosing a fuse that matches the specifications of my microwave.
Check Your Microwave’s Model and Fuse Specifications
Before buying a fuse, I checked my microwave’s user manual and the old fuse for details like voltage rating, current rating (amperage), and fuse type. Microwaves typically use fast-blow fuses rated around 10-15 amps at 250 volts, but this can vary. Matching these specs exactly is crucial to ensure safety and proper functioning.
Types of Fuses for Microwave Ovens
- Fast-Blow Fuses: These fuses blow quickly when the current exceeds the rating, protecting sensitive components.
- Slow-Blow Fuses: These handle short surges better but are less common in microwaves.
From my experience, most microwaves require fast-blow fuses, so I focused on those.
Material and Build Quality Matter
I looked for fuses made with high-quality materials to ensure durability and reliable performance. Cheap fuses might save money upfront but can fail prematurely or cause safety issues. Brands with good reviews and proper certifications (like UL listing) gave me confidence in my purchase.
How to Identify the Right Fuse Size
Fuse sizes vary, and the physical dimensions need to match the fuse holder in your microwave. Common sizes for microwave fuses are 5x20mm or 6x30mm glass tube fuses. I measured the old fuse or checked the manual to be sure.
Safety First: Always Disconnect Power
When I replaced my microwave fuse, I made sure to unplug the microwave first. Working with electricity can be dangerous, so I recommend caution or consulting a professional if you’re unsure.
Where to Buy Reliable Microwave Fuses
I found fuses at appliance parts stores, electronics retailers, and online marketplaces like Amazon or eBay. When buying online, I read customer reviews to avoid counterfeit or low-quality products. Genuine parts from reputable sellers are worth the extra cost.
Final Tips from My Experience
- Always keep a spare fuse handy if you rely heavily on your microwave.
- If the fuse blows repeatedly, it may indicate a deeper electrical problem—get it checked by a technician.
- Don’t substitute fuse ratings or sizes; always use what your microwave manufacturer recommends.
By following these steps, I was able to replace my microwave’s fuse safely and effectively, extending the life of my appliance without unnecessary expense. I hope my guide helps you do the same!
Author Profile
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Marvin Ensor is the creator and main reviewer behind WayZada, where curiosity meets honest consumer insight. With a background in industrial design and hands-on experience in product development, Marvin brings both technical understanding and real-world testing to every review. Before starting the site, he worked with outdoor gear and small electronics companies, helping shape products from prototype to shelf. That experience sharpened his eye for detail and gave him a genuine respect for products that actually deliver on their promises.
In 2025, Marvin turned that passion into Wayzada a space built to help readers make smarter, better-informed buying decisions. Living just outside a mid-sized U.S. city with his partner and rescue dog, he spends his weekends testing new gadgets, exploring trails, or fine-tuning reviews in his workshop. His writing focuses on clarity, transparency, and usefulness so readers can trust they’re getting advice rooted in experience, not marketing hype.
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