5-Pack 20 amp Microwave Fuse 20a 250v
4.5Editor score
20A 250V rating
Heavy duty ceramic tube
High purity quartz sand
Multi brand compatibility
Direct universal replacement
In this guide
Microwave ovens rely on critical safety components to prevent electrical hazards and ensure long term operation. One of the most important parts is the ceramic fuse which protects the internal circuitry from power surges and overloads. Choosing the right fuse is essential for keeping your kitchen appliance safe and functional.
This guide evaluates ten highly rated 20A 250V ceramic fuses specifically designed for microwave oven replacement. We analyzed customer feedback, technical specifications, and compatibility across major brands like GE and Whirlpool to find the most reliable options available today for homeowners and repair technicians.
Each pick highlights key features, installation notes, and value propositions based on verified product data. Prices and availability may change so always check the latest listings before purchasing. Use this comparison to find the perfect replacement part that matches your specific microwave model.
Top 3 Picks for Best 20A 250V Ceramic Fuses for Microwave Ovens
BOJACK Microwave Fuse 20a Ceramic Fuse 20 Amp 250V Slow-Blow
4.6Editor score
20A 250V rating
Slow blow ceramic design
6x30mm dimensions
Universal compatibility
GE WB27X10388 replacement
BlueStars Upgraded 5-Pack WB27X10388 20A 250V Ceramic
4.5Editor score
Lifetime protection warranty
High purity quartz sand
Ceramic tube body
Wear resistant design
Multi brand compatibility
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 ceramic fuses evaluated in this guide. Review the specifications, ratings, and key features to determine which product best fits your microwave repair needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
BOJACK Microwave Fuse 20a
20A 250V rating
6x30mm dimensions
Slow blow type
GE WB27X10388
4.6Editor score
Editor's Choice
Frienda 20 Pcs Microwave Fuse
20A 250V rating
20 pieces per pack
Quartz sand filled
Slow acting blow
4.7Editor score
Best Premium
HiQltyla 20A 250V Microwave Fuse
20A 250V rating
2 pieces per pack
CSA safety certified
Slow blow design
4.6Editor score
BlueStars Upgraded 5-Pack WB27X10388
20A 250V rating
5 pieces per pack
100 lifetime protection
Ceramic tube body
4.5Editor score
5-Pack 20 amp Microwave Fuse
20A 250V rating
5 pieces per pack
Multi brand fit
Quartz sand filled
4.5Editor score
Microwave Fuse 20 Amp 250V Ceramic
20A 250V rating
6 pieces per pack
Time delay ceramic
Heat resistant
4.4Editor score
(Pack of 10) 20 Amp 250V Microwave Fuse
20A 250V rating
10 pieces per pack
Alloy brass end
Quartz sand filled
4.6Editor score
BOJACK Microwave Fuse 20A 250V 6x30mm
20A 250V rating
20 pieces per pack
Plastic storage case
Slow blow ceramic
4.6Editor score
Litoexpe 20-Pack 20A 250V
20A 250V rating
20 pieces per pack
Carrying case
Nickel plated brass
4.7Editor score
(Pack of 5) Microwave Replacement Fuse
20A 250V rating
5 pieces per pack
Multiple part numbers
Fast blow type
4.7Editor score
1. BOJACK Microwave Fuse 20a – Best Overall Ceramic Fuse
BOJACK Microwave Fuse 20a
6x30mm dimensions
20A 250V rating
Slow blow type
Ceramic construction
This BOJACK fuse stands out as a top choice for microwave repairs with its precise 20A 250V rating and slow blow design. It features a durable ceramic body that ensures safety during high current surges while maintaining compatibility with GE WB27X10388 and other models.
Pros
- Exact OEM fit
- High quality materials
- Easy to find
- Affordable price
- Trusted brand
Cons
- Single unit sold
- No storage case
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Users appreciate the consistent performance and reliable protection against circuit overloads. The dimensions match original parts perfectly ensuring a straightforward installation process. Its high quality construction minimizes the risk of failure and extends the life of your microwave.
While it is sold as a single unit which may not suit bulk buyers the quality justifies the purchase for most homeowners. The lack of a storage case means you should keep the spare in a dry place. Overall it delivers excellent value.
Anyone needing a direct replacement for their microwave fuse should consider this option first. It balances performance safety and cost effectively. Verify your old fuse specifications before buying to ensure this model fits your specific appliance requirements.
Precise OEM Compatibility
This fuse directly replaces GE WB27X10388 ensuring it fits standard microwave fuse holders without modification.
Reliable Protection
The slow blow ceramic design handles inrush currents safely while still protecting against dangerous overloads.
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2. Frienda 20 Pcs – Best Value Multi Pack
Frienda 20 Pcs
20 pieces per pack
6.35x30mm size
20A 250V rating
Quartz sand filled
Frienda offers a bulk solution with twenty ceramic fuses in one package. This makes it ideal for repair shops or families with multiple microwaves needing maintenance. Each fuse carries a 20A 250V rating and uses a slow blow design to protect sensitive circuitry.
Pros
- 20 unit pack
- Great value
- Multiple uses
- Quartz sand fill
- Safe ceramic
Cons
- Bulk size
- Variable quality
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The inclusion of quartz sand enhances safety by preventing glass fragments and reducing arc risks. Users report good compatibility with GE and Kenmore models. Having spares on hand ensures you are never without a working microwave when a fuse blows unexpectedly.
Some users note that individual fuses in bulk packs may vary slightly in quality control. However the price per unit is highly competitive compared to single items. The plastic packaging keeps them organized though a dedicated case would be nice.
Choose this if you want to stock up for future repairs or need replacements for multiple appliances. It provides peace of mind knowing you have plenty of fuses available. Always verify the size matches your existing fuse before installation.
Bulk Convenience
Twenty units in one pack ensure you always have spares ready for future repairs or multiple appliances.
Enhanced Safety
Filled with quartz sand the ceramic tube minimizes arc risks and prevents dangerous fragments during failure.
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3. HiQltyla 20A – Best Certified Safe Fuse
HiQltyla 20A
2 pieces per pack
CSA certified
20A 250V rating
6x30mm size
HiQltyla prioritizes safety with CSA certified fuses that meet strict electrical standards. This two pack includes slow blow ceramic fuses filled with quartz sand to prevent arc flashover. It is an excellent choice for safety conscious buyers who want reliable protection.
Pros
- Safety certified
- Quartz sand fill
- One year warranty
- High quality
- Slow blow design
Cons
- Two pack only
- Brand recognition
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The ceramic tube ensures stability during high current events and the warranty offers additional peace of mind. Users find it compatible with standard GE replacements. The compact two pack size is convenient for single unit replacements without bulk.
While the brand is less known than others the certifications validate its quality. The warranty is a strong point for customer assurance. However if you need more than two units you may need to buy multiple packs or choose a different seller.
Opt for this fuse if safety certifications are a priority for your installation. The quartz sand fill adds an extra layer of protection against fire hazards. Verify compatibility with your specific model before proceeding with the installation.
Safety Certification
CSA certification ensures the fuse meets rigorous safety standards for electrical protection in home appliances.
Arc Prevention
Quartz sand inside the tube prevents dangerous arc flashover reducing fire risk during severe overloads.
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4. BlueStars Upgraded 5-Pack – Best Premium Quality
BlueStars Upgraded 5-Pack
5 pieces per pack
Lifetime protection
High purity quartz
Wear resistant
BlueStars positions this fuse as a premium upgrade with a lifetime protection promise. The five pack includes fuses made with high purity quartz sand for superior insulation. It is designed for long term reliability and wear resistance in demanding environments.
Pros
- Lifetime warranty
- High quality build
- Pure quartz sand
- Multi brand fit
- Sturdy caps
Cons
- Higher price
- Limited stock
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The ceramic tube body is sturdy and ensures stable operation over time. Users report it fits well in GE Whirlpool and Kenmore microwaves. The warranty support adds significant value making it worth the higher initial cost for many buyers.
The only downside is the slightly higher price point compared to basic generic options. However the extended protection justifies the expense for those wanting long term security. Check current stock as availability may vary by region.
Select this premium option if you want guaranteed quality and customer support. The lifetime coverage ensures you will be covered for any defects. It is a smart investment for protecting expensive microwave units from repeated failures.
Lifetime Protection
A lifetime warranty ensures long term support and covers any defects or issues that arise with the product.
Superior Materials
High purity quartz sand inside the ceramic tube provides excellent insulation against electrical surges.
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5. 5-Pack 20 amp – Best Budget Friendly Pack
5-Pack 20 amp
5 pieces per pack
Heavy duty ceramic
20A 250V rating
Universal fit
This five pack offers an affordable solution for microwave fuse replacements. It features a heavy duty ceramic tube with quartz sand to ensure durability and safety. The universal fit works with many brands including GE Whirlpool and KitchenAid.
Pros
- Low cost
- Multi brand fit
- Ceramic tube
- 5 unit pack
- Direct replacement
Cons
- Basic packaging
- No warranty
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Customers value the low price per unit and the convenience of having spares ready. The 20A 250V rating matches standard requirements for most ovens. It is a straightforward buy that gets the job done without extra features.
Basic packaging means fuses may not be well organized but the fuses themselves are functional. There is no explicit warranty but the product performs well for the price. Ideal for DIYers on a budget.
Choose this if you want to save money while maintaining safety standards. It is a practical choice for single or multiple replacements. Ensure the dimensions match your old fuse before installing to avoid issues.
Affordable Pricing
Competitive pricing makes this a cost effective choice for homeowners looking to save on appliance repair.
Direct Replacement
Designed to replace WB27X10388 and other models it ensures a quick and easy fix.
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6. Microwave Fuse 20 Amp – Best Heat Resistant Option
Microwave Fuse 20 Amp
6 pieces per pack
Heat resistant
20A 250V rating
6x32mm size
This option focuses on durability with high heat resistant ceramic materials. It comes in a six pack which is ideal for bulk needs or spares. The slow blow design protects the circuit from temporary surges effectively.
Pros
- 6 unit pack
- High heat resistance
- Slow blow design
- Durable ceramic
- DIY friendly
Cons
- Slightly different size
- Generic branding
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Users note its compatibility with most major brands. The ceramic body ensures stable operation under stress. The slightly different 6x32mm dimension requires careful verification against your existing fuse before purchase.
Generic branding may not offer strong warranty support but the product performs reliably. The six pack is better value than single units for many buyers. It is a solid choice for those prioritizing heat tolerance.
Pick this if you need multiple fuses and value durability. Ensure the length matches your requirement since it varies slightly from standard. A practical choice for regular appliance maintenance.
Heat Resistance
High quality ceramic ensures stable operation even when exposed to high temperature conditions inside the oven.
Six Pack Value
Six units provide ample supply for multiple repairs or bulk needs reducing frequent reordering.
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7. (Pack of 10) 20 Amp – Best Bulk Repair Pack
(Pack of 10) 20 Amp
10 pieces per pack
Quartz sand filled
Nickel plated brass
20A 250V rating
A ten pack solution designed for serious DIYers or repair businesses. The nickel plated brass end caps ensure strong connections while the ceramic tube provides insulation. It fits most standard microwave models including GE Whirlpool and Kenmore.
Pros
- 10 unit pack
- Brass end caps
- Ceramic tube
- Universal fit
- Time delay
Cons
- Large quantity
- Storage needed
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The time delay feature helps prevent nuisance tripping during startup. Users find the brass caps more durable than standard alloy ones. It is a great way to keep a supply on hand for future repairs.
Storing ten fuses requires space so consider a dedicated container. The bulk price per unit is low compared to buying singles. It ensures you never face delays waiting for replacements.
Ideal for those who want to maintain a full repair kit. The quality is consistent across the pack. Verify that you need this quantity before committing to the purchase.
Durable Caps
Nickel plated brass end caps ensure strong electrical connections and prevent corrosion over time.
Bulk Efficiency
Ten units allow for extended maintenance and multiple repairs without immediate reordering.
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8. BOJACK 20 Pcs – Best High Quantity Set
BOJACK 20 Pcs
20 pieces per pack
Plastic storage case
20A 250V rating
Slow blow time
This large set includes twenty fuses packed in a plastic storage case for easy organization. It comes from the trusted BOJACK brand known for reliable components. The slow blow design handles inrush current effectively for safe operation.
Pros
- 20 unit pack
- Storage case
- Trusted brand
- 20A rating
- Slow blow
Cons
- Overstock risk
- Bulk size
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The included case protects the fuses from damage and keeps them tidy. Users appreciate the brand consistency. It is perfect for maintaining a large stock for multiple units. The plastic container is sturdy.
The quantity may be too much for a single household unless you own multiple units. However for professionals it is ideal. The storage case is a valuable addition that others often lack.
Choose this if you need a long term supply with organized storage. The brand reliability adds confidence to your purchase. Ensure you have space to store the case properly to maintain fuse integrity.
Organized Storage
Included plastic case keeps fuses organized and protected from damage during storage.
Trusted Brand
BOJACK is known for consistent quality making this bulk set a reliable choice.
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9. Litoexpe 20-Pack – Best for Professional Repair
Litoexpe 20-Pack
20 pieces per pack
Carrying case
20A 250V rating
Ceramic tube
Litoexpe offers a 20 unit set with a carrying case for professional repair technicians. It includes nickel plated brass components for high safety standards. The time delay feature supports motor loads and large current fluctuations.
Pros
- 20 unit pack
- Carrying case
- 30-day return
- High safety
- Nickel plated
Cons
- Generic brand
- Bulk quantity
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The 30-day return policy provides buyer confidence. Users report consistent performance and safety. The carrying case allows easy transport to job sites. It is practical for pros who need reliable tools.
For general home users the bulk may be excessive. However the quality matches higher priced brands. The case adds convenience and value. It is a smart choice for regular service providers.
Select this if you value portability and quantity. The return policy ensures satisfaction with the product. Verify size and ratings before using for critical equipment repairs.
Professional Case
A dedicated carrying case allows for easy transport to job sites and keeps fuses organized.
Return Guarantee
A 30-day return policy provides assurance and flexibility for your purchase.
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10. (Pack of 5) Microwave Replacement – Best Fit Range
(Pack of 5) Microwave Replacement
5 pieces per pack
Multiple part fits
20A 250V rating
Ceramic fuse
This five pack supports a wide range of part numbers ensuring compatibility across many models. It meets OEM standards and uses standard ceramic fuse design. The fast delivery is convenient for urgent repairs.
Pros
- Part list fit
- 5 unit pack
- Fast delivery
- OEM standard
- Ceramic body
Cons
- Part list long
- Basic design
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Users find it effective for Whirlpool and GE models. The long list of compatible part numbers helps confirm fit. It is reliable for routine maintenance needs.
The long compatibility list can be confusing so verify your specific model. However the OEM standard ensures it works as expected. It is a straightforward option for standard replacements.
Choose this if you need a versatile fit across multiple brands. The quick shipping minimizes appliance downtime. Always cross reference your model number with the list before buying.
Versatile Fit
Compatible with many part numbers this fuse adapts to various microwave models easily.
Quick Delivery
Fast shipping options ensure you can get your microwave back in service quickly.
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Buying Guide – How to Choose the Best 20A 250V Ceramic Fuses for Microwave Ovens
Selecting the right microwave fuse is critical for safety and appliance longevity. This guide explains key factors to evaluate before purchasing a replacement part.
Voltage Rating
Ensure the fuse is rated for 250V to match the electrical requirements of your microwave oven. Using a lower voltage fuse can lead to safety hazards and failure to protect the circuit properly.
Always verify the voltage rating printed on the old fuse matches the new purchase.
Current Rating
The current rating must be exactly 20A as specified by the manufacturer. A higher rating may fail to protect sensitive components while a lower one will blow during normal operation.
Never replace with a fuse of higher amperage than the original.
Fuse Type
Microwaves typically require a slow blow or time delay fuse to handle startup inrush currents. Fast blow fuses may trip prematurely when the magnetron starts up causing unnecessary interruptions.
Choose slow blow to prevent nuisance tripping during startup.
Dimensions
Physical size must match the existing fuse holder usually 6mm diameter by 30mm length. A fuse that is too long or wide will not fit and could cause electrical shorts or damage.
Measure the old fuse carefully before buying a replacement.
Material Construction
Ceramic tubes filled with quartz sand are preferred for heat resistance and safety. They prevent arc flashover and reduce the risk of fire compared to glass or plastic alternatives.
Look for ceramic construction for better durability.
Brand Reputation
Choose well known brands with positive customer reviews to ensure quality and safety. Reputable manufacturers typically adhere to stricter standards and offer better consistency.
Prioritize established sellers for reliable components.
Pack Size
Consider buying a pack with spares to save time on future repairs. Bulk packs often offer better value per unit and ensure you always have a replacement on hand.
Stock up with multi packs to avoid delays.
Compatibility
Check that the fuse lists compatibility with your microwave brand such as GE Whirlpool or Kenmore. Universal fit is convenient but verifying specific model numbers reduces the risk of incorrect purchase.
Match the part number to your existing fuse.
How to Use and Care for Your 20A 250V Ceramic Fuses for Microwave Ovens
Before replacing a fuse always disconnect the microwave from the power source to prevent electric shock. Wait at least ten minutes for capacitors to discharge safely. Use insulated tools to remove the fuse holder cover.
Inspect the old fuse for visible damage or discoloration. Replace it with the new ceramic fuse ensuring it fits snugly in the holder. Align the ends correctly to ensure proper electrical contact with the terminals.
After installation reconnect power and test the microwave with a short cycle. Keep extra fuses in a cool dry place to maintain their integrity. Check compatibility periodically if you use multiple appliances.
Frequently Asked Questions
What is the difference between slow blow and fast blow fuses?
Slow blow fuses are designed to handle temporary current surges without tripping which is essential for microwave startups. Fast blow fuses react immediately to any current increase and may blow during normal operation.
Why does my microwave fuse keep blowing?
A recurring blown fuse may indicate a deeper electrical issue such as a faulty door interlock switch or a short in the high voltage diode. Check other components if replacing the fuse does not solve the problem.
Can I use a 15A fuse instead of 20A?
No using a 15A fuse instead of a 20A fuse can cause it to blow during normal operation leading to unnecessary appliance downtime. Always match the exact amperage rating specified by the manufacturer.
Are ceramic fuses safer than glass fuses?
Yes ceramic fuses filled with sand reduce the risk of arc flashover and fire compared to glass fuses. They are more durable and better suited for high heat environments inside appliances.
How do I verify if the fuse is compatible with my microwave?
Check the part number printed on the old fuse against the compatibility list of the new fuse. Verify the dimensions voltage and current ratings match exactly before purchasing.
Can I replace the fuse myself or do I need a pro?
Most microwaves allow DIY fuse replacement if you are comfortable working with electrical components. Ensure you disconnect power and use insulated tools. If unsure consult a professional technician.
Final Thoughts on Choosing the Best 20A 250V Ceramic Fuses for Microwave Ovens
Choosing the right fuse ensures your microwave operates safely and reliably. Our top picks include BOJACK for overall quality Frienda for value and BlueStars for premium durability with lifetime support.
Prioritize safety ratings and compatibility when making your selection. A high quality ceramic fuse with slow blow design provides the best protection against electrical surges and extends appliance life.
Always verify current pricing and availability before purchasing as these details may change quickly. Use this guide to make an informed decision and keep your kitchen appliances running smoothly.