Litoexpe 20-Pack 20A 250V
4.7Editor score
Twenty pack value offering
Ceramic body with quartz sand
Reduces arc flashover risk
In this guide
Microwave ovens rely on critical safety components like ceramic fuses to prevent electrical hazards. When a fuse blows, finding the right replacement is essential for restoring functionality safely and efficiently without risking further damage to your appliance.
This comprehensive guide evaluates ten highly rated 20A 250V ceramic fuses designed for universal microwave compatibility. We analyzed user feedback, build quality, and technical specifications to identify the most reliable options for homeowners and professionals alike.
Each selection highlights key features, pros, and cons to help you make an informed decision. Please note that availability and pricing may fluctuate, so verifying current stock before purchase is always recommended for timely repairs.
Top 3 Picks for Best 20A 250V Ceramic Fuses for Microwave Ovens
BOJACK Microwave Fuse 20a Ceramic Fuse
4.6Editor score
Slow-blow design protects circuitry
Compatible with GE WB27X10388
6x30mm standard dimensions
Frienda 20 Pcs Microwave Fuse
4.7Editor score
Durable resist surge current
Safe sand-filled construction
Universal fit for many brands
Top 10 Best 20A 250V Ceramic Fuses for Microwave Ovens in 2026 Compared
The following table provides a side-by-side comparison of the top-rated ceramic fuses available. Review the specifications and compatibility details to find the exact match for your microwave model.
ProductsSpecificationsEditor scorePrice
Editor's Choice
BOJACK Microwave Fuse 20a
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
Slow-Blow Time Delay
4.6Editor score
Editor's Choice
Frienda 20 Pcs Microwave Fuse
20 Amp Current Rating
250 Volt Voltage Rating
6.35x30mm Dimensions
Sand-Filled Safety Design
4.7Editor score
Best Premium
HiQltyla 20A 250V
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
CSA Safety Certification
4.6Editor score
BlueStars Upgraded 5-Pack
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
High-Purity Quartz Sand
4.5Editor score
5-Pack 20 amp Microwave Fuse
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
Heavy-Duty Construction
4.5Editor score
Microwave Fuse 20 Amp 250V
20 Amp Current Rating
250 Volt Voltage Rating
6mm x 30mm Size
Direct Replacement Design
4.4Editor score
(Pack of 10) 20 Amp 250V
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
Alloy Nickel Plated Brass
4.6Editor score
BOJACK Microwave Fuse 20A
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
Plastic Storage Case
4.6Editor score
Litoexpe 20-Pack 20A
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
Carrying Case Included
4.7Editor score
(Pack of 5) Microwave Replacement
20 Amp Current Rating
250 Volt Voltage Rating
Ceramic Line Fuse
Fits OEM Standards
4.7Editor score
1. BOJACK Microwave Fuse 20a Ceramic Fuse – Best Overall for Reliability
BOJACK Microwave Fuse 20a Ceramic Fuse
20 Amp Current Rating
250 Volt Voltage
6x30mm Dimensions
Slow-Blow Design
The BOJACK Microwave Fuse is a top-rated choice for restoring microwave functionality safely. It features a 20A 250V rating with a slow-blow design that protects circuitry from inrush currents without blowing unnecessarily.
Pros
- Direct replacement for common GE part
- Slow-blow prevents false trips
- High quality ceramic material
- Compact standard dimensions
Cons
- Single unit packaging
- Verify voltage compatibility
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This fuse is specifically designed to replace the GE WB27X10388 part, making it ideal for many popular models. The ceramic body ensures durability and provides superior insulation compared to glass alternatives. Its standard 6x30mm size fits most universal holders.
While effective, users should verify their specific model requires this exact rating. It is a single unit, so consider buying multiples if you expect future repairs. Proper installation requires disconnecting power beforehand for safety.
If you need a dependable replacement that balances cost and performance, this BOJACK fuse is highly recommended. It offers the reliability needed for safe operation while being easy to source for common microwave issues.
Slow-Blow Protection
The slow-blow feature handles temporary surges when the microwave starts, preventing nuisance blowing during normal operation.
Universal Compatibility
Fits GE models directly and serves as a universal replacement for various brands requiring similar specs.
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2. Frienda 20 Pcs Microwave Fuse – Best Value Bulk Pack
Frienda 20 Pcs Microwave Fuse
20 Amp Current Rating
250 Volt Voltage Rating
6.35x30mm Dimensions
Sand-Filled Safety Design
Frienda offers a bulk pack of twenty fuses, providing excellent value for households or technicians who handle multiple appliances. These ceramic fuses are rated at 20A and 250V with a slow-blow design for reliable protection.
Pros
- Twenty piece value pack
- Resists surge current
- Safe sand-filled tube
- Compatible with many brands
Cons
- Check dimensions carefully
- Generic branding
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The internal sand filling adds a layer of safety by preventing glass fragments and arc formation during failure. This construction is durable and resists surges effectively. It replaces parts like GE WB27X10388 and Kenmore models.
The sheer quantity ensures you have spares on hand for future needs without repeated orders. However, always verify the dimensions match your specific fuse holder before installation to ensure a secure fit.
For long-term preparedness, this twenty-piece set is an smart investment. It combines safety features with cost-effective bulk pricing, making it a practical choice for maintaining your kitchen appliances.
Surge Resistance
Engineered to resist current surges, ensuring stability during voltage fluctuations and startup phases.
Safe Failure Mode
Sand filling minimizes the risk of shattering, keeping your workspace clean and safe during a fuse blow.
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3. HiQltyla 20A 250V – Best Two-Pack for Spares
HiQltyla 20A 250V Microwave Fuse
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
CSA Safety Certified
HiQltyla provides a two-pack option that is ideal if you want a backup fuse ready for the future. These units are rated 20A at 250V and feature a slow-blow design to protect your microwave circuitry safely.
Pros
- Includes a spare fuse
- Safety certified materials
- High quality construction
- Prevents arc flash
Cons
- Higher cost per unit than bulk
- Verify model fit
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Safety is prioritized with high-quality materials and CSA certification. The ceramic tube contains quartz sand to prevent arcing during failure, which is safer than glass fuses that might explode under extreme heat.
While a bit pricier than bulk options, the convenience of having an extra unit handy is worthwhile. Ensure your microwave's fuse holder matches these dimensions before purchase to avoid installation issues.
This pack is perfect for those who value safety certifications and having a spare ready without buying a massive bulk lot. It delivers reliable performance and peace of mind for your appliance repairs.
Certified Safety
Passed safety certification standards to ensure reliable electrical performance and consumer protection.
Quartz Sand Fill
Sand fill ensures no arc is pulled during fusing, preventing fire hazards and explosions.
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4. BlueStars Upgraded 5-Pack – Best for Frequent Repairs
BlueStars Upgraded 5-Pack
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
High-Purity Quartz Sand
BlueStars offers a five-pack of upgraded fuses designed for direct replacement of GE part WB27X10388. These fuses protect against electrical faults by cutting power during overheating or dangerous surges effectively.
Pros
- Five unit bundle
- Lifetime protection warranty
- High quality quartz sand
- Easy DIY installation
Cons
- Check part number match
- Warranty terms apply
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The construction features a sturdy ceramic body with wear-resistant end caps. High-purity quartz sand inside prevents overcurrent from breaking insulation layers, ensuring the fuse functions correctly when needed most.
A lifetime protection warranty adds value and confidence to the purchase. For DIY enthusiasts, these fuses allow for quick fixes in minutes. Always verify your model before buying to ensure compatibility.
This pack is ideal for those who want a few spares and extra assurance with the warranty. It combines durable construction with convenient availability for restoring your microwave safely and efficiently.
Warranty Protection
Enjoy reliable performance covered by lifetime protection against defects and issues.
Durable Build
Ceramic tube and end caps ensure long-lasting construction suitable for daily use.
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5. 5-Pack 20 amp Fuse – Best Budget-Friendly Bundle
5-Pack 20 amp Microwave Fuse
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
Heavy-Duty Ceramic
This five-pack provides an affordable solution for replacing blown microwave fuses. The fuses are designed as direct and universal replacements for most models with 20A 250V ratings.
Pros
- Affordable five pack
- Universal replacement design
- Safe power disconnect
- Extends service life
Cons
- Verify voltage rating
- Generic packaging
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They act as reliable safety devices that disconnect power during overheating or overcurrent events. This prevents further internal damage to your appliance. The heavy-duty ceramic construction ensures stability and wear resistance.
Installation is straightforward with clear instructions to turn off power first. Having spares on hand saves time and prevents extended downtime if a fuse blows again.
For budget-conscious buyers needing a few replacements, this pack offers excellent value. It restores functionality effectively while providing peace of mind with safety-focused construction.
Universal Fit
Compatible with GE, Whirlpool, Kenmore, and other major brands for easy sourcing.
Safety Protection
Disconnects power quickly to prevent overheating and short circuits.
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6. 6-Pack Microwave Fuse – Best Bulk Supply for Pros
Microwave Fuse – 20 Amp 250V
20 Amp Current Rating
250 Volt Voltage Rating
6mm x 30mm Size
Slow-Blow Ceramic
Designed specifically for microwave protection, this pack includes six fuses to cover multiple repairs. They feature a slow-blow ceramic construction that handles inrush currents while interrupting sustained overloads safely.
Pros
- Six unit pack
- Direct replacement fit
- Handles inrush current
- High heat resistance
Cons
- Verify exact size
- Generic manufacturer
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The ceramic body offers excellent heat resistance and electrical insulation. This ensures stable operation and a long service life. It is a direct replacement for GE part WB27X10388 and fits most brands.
Having six units on hand is perfect for professionals or large households where spare parts are needed frequently. Check your old fuse rating before installation to guarantee compatibility.
For those needing a larger stock, this six-pack provides convenience and value. It balances safety design with practical availability for efficient appliance maintenance.
Time-Delay Design
Handles temporary high current surges during startup to prevent unnecessary tripping.
Premium Ceramic
High-quality materials ensure durability and resistance to thermal stress.
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7. 10-Pack 20 Amp Fuse – Best Large Quantity Value
(Pack of 10) 20 Amp 250V
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
Quartz Sand Filled
This ten-pack offers substantial value for those needing plenty of spares. These fuses are slow-blow with a time delay design to protect circuitry during power surges safely and reliably.
Pros
- Ten piece quantity
- Time delay safety
- Fits multiple brands
- Quartz sand core
Cons
- Verify voltage before use
- Check physical size
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The body consists of a ceramic tube filled with quartz sand for stability. It fits various electronic devices and specifically serves as a replacement for GE WB27X10388. It is compatible with Whirlpool, Kenmore, and others.
Buying in bulk ensures you are prepared for any unexpected repairs without waiting on shipping. Just confirm the voltage and current match your appliance specifications before installation.
For high-demand users or stocking up, this ten-pack is an efficient solution. It combines safety features with quantity to keep your kitchen appliances running smoothly.
Sand Filled Core
Quartz sand enhances insulation and prevents arcing during failure.
Circuit Protection
Designed to protect against overcurrent in a wide range of electronic circuits.
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8. BOJACK 20-Piece Pack – Best for Storage Organization
BOJACK Microwave Fuse 20A
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
Plastic Storage Case
This massive pack includes twenty high-quality slow-blow ceramic fuses suitable for universal use. The rating is 20A at 250V, ensuring safety and reliability for most microwave applications.
Pros
- Twenty piece volume
- Includes storage case
- High quality materials
- Time delay feature
Cons
- Verify compatibility
- Case adds bulk
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Each fuse features a ceramic tube construction designed for durability. Packaging them in a plastic storage case helps keep them organized and protected from moisture or damage during storage.
Buying twenty units is ideal for professional repair shops or extensive collections. Ensure you verify your specific appliance specs before installing to avoid mismatches.
For serious users needing organized bulk storage, this pack is a strong contender. It combines product quality with practical packaging for long-term use.
Organized Storage
Plastic case keeps all units tidy and accessible when needed for repairs.
High Quality
Constructed from quality materials for consistent electrical performance over time.
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9. Litoexpe 20-Pack – Best Bulk Option for Value
Litoexpe 20-Pack 20A 250V
20 Amp Current Rating
250 Volt Voltage Rating
6x30mm Dimensions
Ceramic Tube Build
Litoexpe offers a twenty-pack of time delay fuses ideal for stocking up. These ceramic fuses are rated at 20A 250V with a carrying case for convenient transport and storage.
Pros
- Twenty pack volume
- Ceramic body safety
- Reduces arc risk
- Carrying case included
Cons
- Check dimensions
- Brand verification
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The ceramic body with nickel-plated brass and quartz sand adds safety by reducing the risk of bursting and hot metal spray. This construction prevents arc flashover effectively.
It is suitable for high amperage loads like microwaves and power tools. Verify size and voltage before purchase to ensure compatibility with your specific device requirements.
For value-seekers needing reliable parts in bulk, this set is an excellent choice. It combines safety and durability with convenient case packaging.
Safety Reduction
Ceramic construction reduces the risk of bursting during sudden overloads.
Carrying Case
Includes a case to keep fuses organized and protected when stored.
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10. 5-Pack Microwave Replacement – Best for Quick Fixes
(Pack of 5) Microwave Replacement
20 Amp Current Rating
250 Volt Voltage Rating
Ceramic Line Fuse
Fits OEM Standards
This five-pack offers a reliable solution for restoring microwave function quickly. It is designed to fit OEM standards and replace numerous part numbers including WB27X10388 for broad compatibility.
Pros
- Five unit pack
- Fits OEM standards
- Wide part number match
- Ships fast
Cons
- Verify exact part
- Check stock
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The ceramic fuse construction ensures durability and safe operation. It acts as a safety device to prevent damage during electrical faults. Fast shipping means minimal downtime for your appliance repairs.
A solid choice for those who want a few replacements ready to use. Always check your specific model number to confirm the best match before ordering.
For quick and effective replacements, this pack balances convenience with quality. It is a practical addition to any toolkit for appliance maintenance.
OEM Fit
Manufactured to meet OEM standards for reliable performance and fit.
Part Compatibility
Matches a wide range of part numbers for versatile replacement options.
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Buying Guide – How to Choose the Best 20A 250V Ceramic Fuses for Microwave Ovens
Choosing the right fuse is critical for microwave safety. Follow these factors to ensure you select the correct replacement for your model.
Amperage Rating
Ensure the fuse rating matches your appliance's requirements, typically 20A. A fuse with a higher rating may not protect the circuit properly, while a lower one might blow prematurely.
Always verify the exact amp rating in your manual or on the existing fuse to maintain proper electrical safety.
Voltage Rating
The voltage rating must meet or exceed your appliance's electrical specifications, generally 250V. Using a fuse with a lower voltage can lead to dangerous arcs during failure.
Check the label for voltage to ensure it aligns with standard household electrical systems.
Blow Type
Slow-blow or time-delay fuses are essential for microwaves to handle initial surge currents without blowing. Standard fast-blow fuses may trip during normal startup.
Select slow-blow models to prevent false trips and extend appliance life.
Dimensions
Physical size is critical for proper fitting in the fuse holder. Common sizes like 6x30mm ensure compatibility with universal holders.
Measure your old fuse to confirm it fits perfectly before purchasing a replacement.
Material Construction
Ceramic bodies provide superior heat resistance and safety compared to glass. They also typically contain quartz sand for better insulation and safety.
Opt for ceramic fuses for enhanced durability and reduced risk of fire or explosion.
Brand Compatibility
While many fuses are universal, checking compatibility with specific brands like GE or Whirlpool helps ensure fit. Part numbers can vary between models.
Use the replacement part numbers listed in product descriptions to match your specific model accurately.
Quantity and Value
Buying packs of five or more offers better value and ensures spares are available for future repairs. This is practical for those who prefer stocking up.
Consider how many you need based on how many appliances you own or maintain.
Certifications
Look for fuses that carry safety certifications like CSA or UL. These ensure the product has been tested for safety and performance.
Certified fuses offer peace of mind and meet regulatory standards for electrical safety.
How to Use and Care for Your 20A 250V Ceramic Fuses
Before attempting to replace a fuse, always disconnect your microwave from the power source to avoid electrical shock. Locate the fuse holder, which is typically near the power cord entry.
Remove the old fuse carefully and compare it with the new one to ensure the dimensions and ratings match perfectly. Insert the new fuse firmly into the holder without forcing it.
Periodically inspect your fuses for any signs of damage or wear to maintain appliance safety. If a fuse blows frequently, investigate the underlying cause rather than just replacing it repeatedly.
Frequently Asked Questions
What does a 20A 250V rating mean?
The 20A refers to the maximum current the fuse can handle before breaking the circuit, while 250V indicates the maximum voltage it can safely support. These ratings ensure the fuse protects the appliance from excessive power flow.
Can I use a fast-blow fuse instead of slow-blow?
It is not recommended. Microwaves experience high initial surge currents during startup that might blow a fast-blow fuse. Slow-blow fuses are designed to handle these surges while still protecting against real overloads.
Why choose ceramic over glass fuses?
Ceramic fuses offer better heat resistance and safety features like internal sand fill. This prevents the fuse from shattering or causing fires during failure, making them safer for appliances.
How do I know which fuse fits my model?
Check the label on your old fuse or the microwave manual for the specific part number and dimensions. Many brands use standard sizes like 6x30mm, but verifying details ensures a perfect fit.
Can I replace the fuse myself?
Yes, replacing a fuse is a simple DIY task for those comfortable with basic safety steps. Ensure the appliance is unplugged and follow the installation instructions carefully to avoid hazards.
Why does my fuse keep blowing?
Frequent blowing could indicate a short circuit, a failing component like the magnetron, or a surge issue. Simply replacing the fuse repeatedly is dangerous; inspect the appliance for underlying faults.
Are universal fuses reliable?
Universal fuses are reliable if they match your appliance's exact specifications. Always verify voltage, current, and dimensions before purchasing a universal replacement to ensure safety and functionality.
Do fuses come with warranties?
Some brands offer limited warranties for their fuses, covering defects or performance issues. Check the product details for warranty terms before buying to understand your consumer protections.
Final Thoughts on Choosing the Best 20A 250V Ceramic Fuses for Microwave Ovens
We have reviewed ten top-rated options to help you find the best replacement for your microwave. Each selection balances safety features, compatibility, and value to suit different needs.
Prioritize the right specifications like voltage and slow-blow design to ensure long-term reliability and safety. Proper selection prevents unnecessary downtime and keeps your appliance running efficiently.
Remember that product prices and availability may vary over time. Verify current details before purchasing to secure the best deal for your specific repair needs.