Frienda 20 Pcs Microwave Fuse
4.7Editor score
20 piece value pack
Quartz sand filled safety
Universal microwave compatibility
In this guide
When your microwave stops working, a blown fuse is often the culprit. Finding the right 20A 250V ceramic fuse ensures your appliance runs safely and efficiently without risking further damage to the internal circuitry or components.
We compared ten highly rated options based on durability, compatibility, and safety features. Our analysis focuses on slow-blow designs that handle inrush current while protecting against overloads and short circuits in various microwave models.
Each pick shows key specs, pros, and cons to help you decide. Remember that prices can fluctuate daily, so always verify current listings before purchasing to ensure you get the best value for your specific replacement needs.
Top 3 Picks for Best 20A 250V Ceramic Fuses for Microwave Ovens
BOJACK Microwave Fuse 20a Ceramic Fuse
4.6Editor score
20 Amp 250V rating
6x30mm slow-blow design
Compatible with GE WB27X10388
BlueStars Upgraded 5-Pack WB27X10388
4.5Editor score
Lifetime protection warranty
High-purity quartz sand
Wear-resistant ceramic tube
Top 10 Best 20A 250V Ceramic Fuses for Microwave Ovens in 2026 Compared
The following table provides a side-by-side comparison of all ten products to help you quickly identify which fuse matches your microwave model and repair requirements.
ProductsSpecificationsEditor scorePrice
Editor's Choice
BOJACK Microwave Fuse 20a
20A 250V rating
6x30mm dimensions
Slow-blow type
Compatible with GE
4.6Editor score
Editor's Choice
Frienda 20 Pcs Microwave Fuse
20 piece pack
250V rated voltage
Quartz sand filled
Compatible with Kenmore
4.7Editor score
Best Premium
HiQltyla 20A 250V
6x30mm ceramic cartridge
CSA safety certified
Slow-blow design
Includes 2 pieces
4.6Editor score
BlueStars Upgraded 5-Pack
5 piece pack
High-purity quartz sand
Universal replacement
Lifetime protection
4.5Editor score
5-Pack 20 amp Microwave Fuse
5 piece pack
Direct universal replacement
Heavy-duty ceramic tube
Compatible with GE
4.5Editor score
Microwave Fuse 20 Amp
6 piece pack
Direct replacement for GE
Slow-blow time delay
6mm x 32mm size
4.4Editor score
Pack of 10 20 Amp
10 piece pack
Nickel plated brass
Quartz sand filled
Slow blow type
4.6Editor score
BOJACK Microwave Fuse 20Pcs
20 piece pack
Plastic storage case
20A 250V rating
Time-delay fuses
4.6Editor score
Litoexpe 20-Pack 20A
20 piece pack
Carrying case included
Time delay fuses
Ceramic tube body
4.7Editor score
Pack of 5 Microwave Replacement
5 piece pack
Fast blow fuse
Replaces WB27X10388
OEM standards fit
4.7Editor score
1. BOJACK Microwave Fuse 20a – Best Overall 20A 250V Ceramic Fuse for Microwave Ovens
BOJACK Microwave Fuse 20a
20A 250V rating
6x30mm dimensions
Slow-blow ceramic
Compatible with GE
This BOJACK fuse is a top choice for microwave repairs. It carries a 4.6 rating and offers a robust slow-blow design that protects your microwave circuitry from surges and overloads.
Pros
- High-quality slow-blow design
- Reliable GE WB27X10388 replacement
- Protects microwave circuitry effectively
- Standard 20 Amp 250V rating
- Durable ceramic construction
Cons
- Single unit pack limit
- Verify size before purchase
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Its 20 Amp 250V rating matches many common microwaves including GE models. The 6x30mm dimensions ensure a perfect fit for universal replacement needs while maintaining safety standards.
While some users wish for multi-packs, the quality ensures longevity. Verify your old fuse size first to avoid returns and ensure seamless integration into your appliance wiring.
Ideal for DIYers needing a reliable part quickly. Its universal compatibility and slow-blow features make it the safest bet for restoring your microwave without recurring issues.
Reliable Circuit Protection
The slow-blow design handles inrush current without blowing prematurely, ensuring your microwave powers up safely during startup cycles.
Universal Fit
Compatible with multiple brands including GE and others, this fuse serves as a versatile replacement option for many kitchen appliances.
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2. Frienda 20 Pcs Microwave Fuse – Best Value Pack 20A 250V Ceramic Fuse for Microwave Ovens
Frienda 20 Pcs Microwave Fuse
20 piece value pack
250V rated voltage
Quartz sand filled
Compatible with Kenmore
Frienda delivers exceptional value with a 20-piece pack. Rated 4.7, these slow-blow ceramic fuses resist surges and provide safety with sand filling.
Pros
- Great bulk value for spares
- Slow-blow time delay protection
- Quartz sand for safer fusing
- Compatible with GE WB27X10388
- Resists surge currents well
Cons
- Non-original aftermarket product
- Check size carefully
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Each fuse handles 20A at 250V with 6.35x30mm sizing. They fit GE and Kenmore models, offering a durable solution for protecting circuits against overloads.
As aftermarket replacements, they lack OEM branding but offer comparable performance. Ensure you check voltage and current before buying to match your appliance needs.
Best for families or repair shops stocking spares. The bulk pack ensures you have replacements ready when fuses blow, minimizing downtime and repair delays.
Safe Sand Filling
Filled with sand, these fuses avoid glass fragments when burnt, making them safer for household use and reducing fire risks.
Surge Resistance
Designed to resist surge currents, they provide reliable protection against sudden spikes without failing unnecessarily during normal operation.
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3. BlueStars Upgraded 5-Pack – Premium Lifetime Warranted 20A 250V Ceramic Fuse for Microwave Ovens
BlueStars Upgraded 5-Pack
5 piece pack
High-purity quartz sand
Universal replacement
Lifetime protection
BlueStars offers a premium option with lifetime protection. This 5-pack ensures your safety against faults while featuring high-purity quartz sand for better insulation.
Pros
- Lifetime protection warranty included
- Wear-resistant ceramic tube
- High-purity quartz sand insulation
- Compatible with Whirlpool LG Panasonic
- Quick fix installation design
Cons
- Verify exact part number
- Check voltage compatibility
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With 20A 250V ratings and wear-resistant materials, it suits many brands. The slow-blow design cuts power during overloads, protecting your microwave components from damage.
Quality is high, but checking part numbers is crucial. Incorrect installation can cause repeated issues. Read instructions carefully for successful repair outcomes.
Perfect for those wanting long-term warranty peace. Its premium build and universal fit make it an excellent choice for maintaining appliance health and safety.
Lifetime Protection
Enjoy a lifetime warranty that covers defects, ensuring your investment is protected against any potential issues that arise over time.
High-Purity Insulation
Quartz sand inside prevents current from breaking through insulation, maintaining stability and preventing load damage during electrical surges.
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4. HiQltyla 20A 250V – Reliable CSA Certified Slow-Blow 20A 250V Ceramic Fuse for Microwave Ovens
HiQltyla 20A 250V
6x30mm ceramic cartridge
CSA safety certified
Slow-blow design
Includes 2 pieces
HiQltyla provides certified safety with CSA approval. These slow-blow fuses use quartz sand to prevent arc pulling and ensure safer fusing without glass tube explosions.
Pros
- CSA certified safety properties
- Ceramic tube filled with quartz sand
- Slow-blow keeps microwave safe
- Prevents arc pulling during fusing
- 1 year warranty protection
Cons
- Small 2-piece count
- Verify compatibility before buying
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They maintain 20A at 250V with a 6x30mm size. The 1-year warranty adds confidence. Ceramic construction ensures long service life in demanding microwave environments.
Two pieces may not suffice for multi-microwave setups. Confirm dimensions against your old fuse to avoid mismatch issues and ensure proper fit within your appliance.
Suitable for homeowners prioritizing safety certifications. The arc prevention and durable build make this a smart choice for maintaining reliable and safe kitchen appliance operations.
Ceramic Safety
The ceramic tube reduces arc risk compared to glass, lowering explosion and fire probabilities during severe overload or short circuit events.
Safety Certification
Passed CSA safety certification, ensuring all electrical properties meet recognized standards for reliable and safe performance in household appliances.
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5. 5-Pack 20 amp Microwave Fuse – Direct Universal Replacement Slow-Blow 20A 250V Ceramic Fuse for Microwave Ovens
5-Pack 20 amp Microwave Fuse
5 piece pack
Direct universal replacement
Heavy-duty ceramic tube
Compatible with GE
This 5-pack offers direct replacement for many models. Rated 4.5, it handles 20A at 250V with a slow-blow design that protects circuits effectively against overloads.
Pros
- Direct replacement for GE and others
- Compatible with many major brands
- Protects internal circuit from overload
- Heavy-duty tube for durability
- Includes 5 pieces total
Cons
- Always verify specs before install
- Non-OEM product
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Compatible with brands like GE and Whirlpool, it replaces multiple part numbers. Heavy-duty ceramic construction ensures wear resistance and safe operation in kitchen settings.
Though non-OEM, specs match requirements well. Verify your microwave's part number to ensure fit and avoid returns. Always check voltage before purchase for safety.
Ideal for multi-brand households needing versatile fuses. The bulk pack ensures spares are ready, and the durable build supports long-term appliance protection and functionality.
Wide Compatibility
Works with GE, Whirlpool, Kenmore, KitchenAid, and more, offering a single solution for various household microwave brands.
Circuit Protection
Disconnects power during overheating or surges to safeguard internal components from damage and ensure appliance longevity.
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6. Microwave Fuse 20 Amp – Safe Slow-Blow Universal Replacement 20A 250V Ceramic Fuse for Microwave Ovens
Microwave Fuse 20 Amp
6 piece pack
Direct replacement for GE
Slow-blow time delay
6mm x 32mm size
A safety-focused replacement with exact GE compatibility. Rated 4.4, the 6-pack saves money with a slow-blow design handling inrush current while interrupting sustained overloads.
Pros
- Exact replacement for GE WB27X10388
- 6-piece pack saves time money
- Safe slow-blow time delay design
- Heat resistant ceramic material
- Stable operation long service life
Cons
- Verify rating before installation
- Check exact size dimensions
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Built from heat-resistant ceramic, it ensures stable operation. Universal fit covers Whirlpool Kenmore and others, providing durable performance for repair jobs and future needs.
Always verify ratings as the product notes. Incorrect choices lead to failure. Confirming size ensures proper installation and avoids unnecessary safety or functional problems.
Best for DIYers seeking reliable and safe repairs. The time-delay feature and durable construction make this a trustworthy option for restoring microwave functionality.
Time-Delay Safety
The slow-blow design allows temporary high current during startup but stops during sustained overloads, protecting internal components.
Universal Fit
Designed to replace multiple brand fuses like GE, Whirlpool, and Kenmore, offering broad compatibility across household appliances.
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7. Pack of 10 20 Amp – Versatile Bulk Pack Slow-Blow 20A 250V Ceramic Fuse for Microwave Ovens
Pack of 10 20 Amp
10 piece pack
Nickel plated brass
Quartz sand filled
Slow blow type
Ideal for bulk stock, this 10-piece pack ensures spares are always available. With alloy and brass construction, it provides reliable overcurrent protection for various electronic circuits.
Pros
- 10 piece pack for spares
- Alloy and nickel plated brass body
- Quartz sand filled for safety
- Suitable for overcurrent protection
- Compatible with GE Whirlpool
Cons
- Bulk pack may be excessive
- Verify voltage match
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Quartz sand filling adds safety, while the 6x30mm slow-blow design maintains compatibility with GE and Whirlpool models. It handles overloads without unnecessary blows during normal cycles.
The bulk quantity might exceed single repair needs but offers convenience. Verify voltage ratings to ensure safety. Proper selection ensures long-term reliability for appliances.
Great for professionals or those with multiple units. Its durable build and safety features make it a practical choice for maintaining multiple microwaves efficiently.
Durable Alloy Build
Constructed with alloy and nickel plated brass, these fuses resist corrosion and ensure long-lasting electrical connections in demanding environments.
Overcurrent Protection
Suitable for various electronic devices, these fuses interrupt circuit current effectively to prevent overheating and damage during surges.
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8. BOJACK Microwave Fuse 20Pcs – Convenient 20-Piece Bulk Slow-Blow 20A 250V Ceramic Fuse for Microwave Ovens
BOJACK Microwave Fuse 20Pcs
20 piece pack
Plastic storage case
20A 250V rating
Time-delay fuses
This 20-piece BOJACK pack offers convenient long-term storage in a plastic case. Rated 4.6, the time-delay design protects against overcurrent while ensuring compatibility with many models.
Pros
- Packed in plastic storage case
- 20 pieces for long-term spares
- Slow-blow time delay safety
- Compatible with many microwaves
- 20A 250V electrical specs
Cons
- High quantity not for everyone
- Check old fuse dimensions
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Each fuse meets 20A at 250V specs with 6x30mm dimensions. The slow-blow feature avoids premature blowing, ensuring your microwave powers up smoothly without interruption during normal use cycles.
The sheer quantity might be too much for casual users. Verify compatibility before buying. Proper matching avoids installation failures and ensures optimal performance for your appliance.
Best for workshops or large kitchens. The bulk quantity and reliable slow-blow design make it a cost-effective choice for maintaining multiple appliances efficiently over time.
Storage Convenience
Packed in a plastic storage case, these fuses stay organized and protected from damage until needed for future repairs.
Slow-Blow Reliability
The time-delay design ensures reliable protection against sustained overloads while tolerating temporary inrush currents safely.
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9. Litoexpe 20-Pack 20A – Versatile High Amperage Load 20A 250V Ceramic Fuse for Microwave Ovens
Litoexpe 20-Pack 20A
20 piece pack
Carrying case included
Time delay fuses
Ceramic tube body
Litoexpe delivers versatile fuses with ceramic safety features. Rated 4.7, these reduce burst risks and are suitable for high amperage loads including power tools and inverters.
Pros
- Prevents arc flashover safely
- Ceramic reduces burst risk
- Great for high amperage loads
- Reduces chances of overload fire
- 30-day return service included
Cons
- Confirm voltage current size
- Non-OEM branded item
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With nickel plated brass and ceramic tubes, they handle surges well. The 20-piece pack with case ensures spares are ready. Time delay fuses provide reliable protection against sudden overloads.
Non-OEM branding is standard for replacements. Confirm voltage current and size before ordering. Return service adds peace of mind for customers seeking quality products.
Best for those needing broad utility. The fire reduction features and bulk pack make it a smart choice for maintaining various electrical appliances safely and efficiently.
Arc Flash Prevention
Ceramic construction prevents arc flashover and reduces bursting risks compared to glass fuses, enhancing safety for household use.
High Amperage Support
Ideal for high power loads, these fuses handle current draw fluctuations and severe sudden overloads effectively.
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10. Pack of 5 Microwave Replacement – OEM Standard 20A 250V Ceramic Fuse for Microwave Ovens
Pack of 5 Microwave Replacement
5 piece pack
Fast blow fuse
Replaces WB27X10388
OEM standards fit
This pack exceeds OEM requirements for reliable performance. Rated 4.7, it offers universal replacement options with fast blow characteristics suitable for many microwave circuits.
Pros
- Guaranteed to exceed OEM requirements
- Compatible with many part numbers
- Fast blow ceramic line fuse
- Ships fast from stock
- Replaces WB27X10388 safely
Cons
- Verify exact part number
- Check if slow blow needed
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Compatible with numerous part numbers, it ensures flexibility. The 5-pack is practical for home repairs. Ceramic fuse design provides effective safety against overheating and current issues.
Verify if fast blow matches needs as some need slow-blow. Incorrect selection may cause issues. Always cross-reference your current fuse before purchasing replacements.
Great for quick replacements with OEM-like quality. The broad compatibility and fast shipping make it a top choice for restoring microwave functionality and efficiency.
OEM Standards
Fits OEM standards and is guaranteed to exceed requirements, ensuring reliability and compatibility with original appliance specifications.
Fast Shipping
In stock and ships fast, minimizing downtime for users needing quick appliance repairs and reliable parts delivery.
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Buying Guide – How to Choose the Best 20A 250V Ceramic Fuses for Microwave Ovens
Selecting the right fuse requires attention to specifications and features. Use these factors to ensure your microwave is protected effectively.
Current Rating
Current rating is critical for safety and functionality. Most microwaves use 20A. Ensure the fuse matches this exactly to avoid premature blows or lack of protection.
Choose 20A for standard models.
Voltage Rating
Voltage must meet or exceed appliance requirements. 250V is standard. Using lower ratings risks failure. Verify specs before purchase to avoid safety hazards.
Ensure 250V minimum rating.
Dimensions
Physical size affects fit. Standard is 6x30mm. Incorrect size causes poor contact or dislodging. Check old fuse specs before buying replacements.
Confirm 6x30mm dimensions.
Blow Type
Slow-blow allows startup inrush current. Fast blow might trip unnecessarily. Most microwaves need slow-blow for reliable performance during use cycles.
Prioritize slow-blow for microwaves.
Material
Ceramic resists heat and offers safety. Avoid glass if possible. Ceramic fuses fill with sand to prevent bursting. This reduces fire risks significantly.
Choose ceramic for safety.
Compatibility
Verify compatibility with brands like GE or Whirlpool. Replacing part numbers ensures better fit. Universal compatibility reduces return hassles for users.
Check brand compatibility before purchase.
Pack Quantity
Buy multi-packs to save money and have spares. Single fuses limit replacement options. A 5 or 10 pack is ideal for DIY users.
Opt for multi-packs for value.
Warranty
Warranty ensures product quality. Lifetime coverage is best. Some offer 30-day returns. Choose options with support to reduce repair risks.
Look for lifetime warranty.
How to Use and Care for Your 20A 250V Ceramic Fuse for Microwave Ovens
Before replacing a fuse, always unplug the microwave and let it cool. Safety is crucial when working with electrical components to prevent shocks or injury.
Locate the fuse holder near the power cord and remove the old fuse carefully. Compare the old one to the new fuse to confirm correct specifications.
Install the new fuse by inserting it into the holder and securing any caps. Restore power and test the microwave to ensure it is working correctly.
Frequently Asked Questions
Why is my microwave fuse blowing repeatedly?
Repeated blowing usually indicates a deeper issue like a faulty magnetron or control board. Check for loose wiring or door interlock switches. Consult a professional if fuses keep failing despite proper replacement.
Can I use a different voltage fuse?
Always match the rated voltage exactly. Using a lower voltage fuse risks failure. Ensure it meets or exceeds 250V. Consult your appliance manual for exact specifications.
Is slow-blow better for microwaves?
Yes, slow-blow allows startup current surges without blowing. Fast blow may trip prematurely. Most microwaves require slow-blow design for stable performance during normal cycles.
How do I know the correct fuse size?
Check the old fuse printed markings or measure dimensions. Most are 6x30mm. Always verify length and diameter against the replacement fuse to ensure proper fit and safe operation.
What happens if the fuse is blown?
The microwave stops working to prevent electrical damage or fire. Replace the fuse promptly. If the fuse blows again immediately, investigate internal wiring or component issues.
Are aftermarket fuses reliable?
High-quality aftermarket fuses are reliable if specs match OEM. Look for reviews and certifications. Ensure compatibility and quality materials like ceramic to guarantee safety and longevity.
Final Thoughts on Choosing the Best 20A 250V Ceramic Fuses for Microwave Ovens
We recommend the BOJACK fuse for overall reliability and safety. Frienda offers great bulk value while BlueStars provides lifetime warranty peace. These three cover most repair needs effectively.
Prioritize specifications and slow-blow features for safe operation. Always verify compatibility to ensure your microwave runs smoothly. Proper selection reduces risks of electrical hazards.
Remember prices vary daily so check current listings. Choose a reputable option for reliable microwave protection. Safe maintenance ensures your appliance functions efficiently and securely.