Frienda 20 Pcs Microwave Fuse
4.7Editor score
20 piece bulk pack
Sand filled ceramic tube
Universal microwave fit
In this guide
When your microwave stops working, a blown fuse is often the culprit. Finding the right 20A 250V ceramic fuse ensures safety and restores functionality quickly without professional help.
We analyzed ten top-rated options based on compatibility, build quality, and user feedback. This list covers slow-blow designs, ceramic bodies, and universal fits for major brands like GE and Whirlpool.
Each pick highlights key specs and installation notes to simplify your repair. Keep in mind that product availability and details may vary, so always verify your specific model requirements before ordering.
Top 3 Picks for Best 20A 250V Ceramic Fuses for Microwave Ovens
BOJACK Microwave Fuse 20a Ceramic Fuse
4.6Editor score
Slow-blow ceramic design
20A 250V rating
Compatible with GE models
BlueStars Upgraded 5-Pack WB27X10388
4.5Editor score
Lifetime protection warranty
High purity quartz sand
Wear resistant caps
Top 10 Best 20A 250V Ceramic Fuses for Microwave Ovens in 2026 Compared
This side-by-side comparison highlights the key specifications and features of each fuse option to help you decide which one offers the best value and performance for your microwave repair needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
BOJACK Microwave Fuse
6x30mm dimensions
20A current rating
250V voltage rating
Slow-blow ceramic
4.6Editor score
Editor's Choice
Frienda 20 Pcs
6.35x30mm size
20A current rating
250V voltage rating
Sand filled tube
4.7Editor score
Best Premium
HiQltyla 20A 250V
6x30mm dimensions
20A current rating
250V voltage rating
Quartz sand filled
4.6Editor score
BlueStars Upgraded 5-Pack
6x30mm dimensions
20A current rating
250V voltage rating
Ceramic tube body
4.5Editor score
5-Pack 20 amp Microwave
6x30mm dimensions
20A current rating
250V voltage rating
Heavy duty ceramic
4.5Editor score
Microwave Fuse 6PCS
6mmx32mm size
20A current rating
250V voltage rating
Slow-blow design
4.4Editor score
Pack of 10 20 Amp
6x30mm dimensions
20A current rating
250V voltage rating
Quartz sand filled
4.6Editor score
BOJACK 20 Pcs Time Delay
6x30mm dimensions
20A current rating
250V voltage rating
Plastic storage case
4.6Editor score
Litoexpe 20-Pack
6x30mm dimensions
20A current rating
250V voltage rating
Carrying case
4.7Editor score
Pack of 5 Replacement
Universal fit
20A current rating
250V voltage rating
Fast blow fuse
4.7Editor score
1. BOJACK Microwave Fuse – Best Overall Replacement
BOJACK Microwave Fuse 20a Ceramic Fuse
6x30mm dimensions
20A 250V
Slow-blow ceramic
GE compatible
This BOJACK fuse is a reliable choice for restoring microwave functionality. With a 4.6 rating, users appreciate its direct compatibility with common GE parts like WB27X10388.
Pros
- Direct GE WB27X10388 replacement
- High quality slow-blow design
- Reliable microwave circuit protection
- Universal fit for most brands
Cons
- Single unit packaging
- Verify size before purchase
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The slow-blow ceramic design ensures the fuse handles temporary surges without blowing prematurely. Its 20A 250V rating provides robust protection for your appliance circuitry.
While effective, ensure you confirm the 6x30mm dimensions match your old fuse. This avoids installation issues and guarantees a secure fit in the holder.
Homeowners seeking a straightforward and trusted replacement should choose this option. It balances quality and compatibility well for standard microwave repair tasks.
Reliable Slow-Blow Protection
The slow-blow design allows for brief current spikes during startup, preventing unnecessary blowouts while protecting against sustained overloads.
Universal Microwave Compatibility
Compatible with many major brands, this fuse serves as a universal part for various models beyond just GE units.
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2. Frienda 20 Pcs – Best Bulk Value
Frienda 20 Pcs Microwave Fuse
6.35x30mm size
20A 250V
20 piece pack
Sand filled tube
Frienda offers a cost-effective solution for those needing multiple fuses. This 20-piece pack ensures you have spares on hand for future repairs without frequent reordering.
Pros
- Excellent value for 20 units
- Safe sand-filled construction
- Compatible with GE and Kenmore
- Long-term repair supply
Cons
- Generic brand quality variance
- Not original equipment
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The ceramic tube filled with sand enhances safety by preventing glass fragments during blowouts. It is designed to resist surge currents effectively.
Check the size carefully as it is slightly larger than standard 6mm tubes. Also note these are aftermarket replacements not OEM parts.
Ideal for households with multiple appliances or workshop use. The bulk quantity makes this a smart buy for long-term readiness.
Cost-Effective Bulk Supply
Buying in bulk reduces the cost per fuse and ensures you are never stranded without a critical replacement part.
Safety Features
The sand filling minimizes risks associated with blown fuses, making it safer for DIY repairs in your kitchen.
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3. BlueStars Upgraded 5-Pack – Best Warranty Support
BlueStars Upgraded 5-Pack WB27X10388
6x30mm dimensions
20A 250V
5 pack quantity
Lifetime protection
BlueStars stands out with its lifetime protection promise and upgraded materials. This 5-pack provides a good balance between quantity and quality assurance.
Pros
- Lifetime protection warranty
- High purity quartz sand interior
- Direct part number match
- Durable ceramic construction
Cons
- Higher price point
- Check part number carefully
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Inside, high-purity quartz sand ensures better insulation and prevents circuit reconnecting after faults. The ceramic body is designed for wear resistance.
Verify your original part number before ordering to ensure a perfect fit. The installation is straightforward but requires safety precautions.
If you prefer extended support and premium materials, this is the top choice. It offers peace of mind for serious appliance repairs.
Lifetime Warranty Coverage
This product includes a lifetime protection policy, ensuring you are covered for any defects or issues that might arise later.
Superior Insulation
The use of high-purity quartz sand helps maintain insulation integrity, reducing the risk of electrical failure.
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4. HiQltyla 20A – Best for Safety
HiQltyla 20A 250V Microwave Fuse
6x30mm dimensions
20A 250V
CSA certified
Quartz sand fill
HiQltyla focuses on safety with certified components and arc prevention. This fuse is designed to protect your microwave effectively against overloads.
Pros
- CSA safety certification
- Arc prevention technology
- Slow-blow design for safety
- 2 pack quantity
Cons
- Small package size
- Brand familiarity
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The ceramic tube filled with quartz sand reduces arc pulling risks compared to glass fuses. It ensures safer operation during electrical faults.
With only two units per pack, it is best for immediate replacement. Verify voltage and current ratings match your specific needs exactly.
Choose this if safety certifications are a priority for your repair project. It delivers reliable protection for standard home appliances.
Arc Prevention Design
The sand fill helps extinguish arcs quickly during fusing, reducing the chance of damage or fire hazards inside your microwave.
Certified Safety Standards
This product has passed safety certifications ensuring it meets required electrical standards for safe home appliance use.
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5. 5-Pack 20 amp – Best Value Pack
5-Pack 20 amp Microwave Fuse
6x30mm dimensions
20A 250V
Wide compatibility
Heavy duty ceramic
This 5-pack offers a practical solution for replacing blown fuses across various models. It fits GE WB27X10388 and many others directly.
Pros
- Direct replacement for multiple models
- Five unit quantity
- Heavy duty ceramic tube
- Quick fix installation
Cons
- Limited brand options listed
- Verify current draw
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Built with a heavy-duty ceramic tube and high-strength end caps, it ensures stable performance and longevity. The quartz sand inside provides excellent insulation.
Simply turn off power and replace the old fuse for a fast repair. Ensure your microwave matches the specifications provided.
An ideal choice for those needing multiple spares. It combines affordability with robust construction for everyday household repairs.
Direct Replacement Compatibility
Designed to replace popular part numbers, this fuse fits seamlessly into existing holders without modification.
Robust Construction
The heavy-duty ceramic body and end caps ensure durability, withstand the heat and electrical stresses inside your appliance.
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6. Microwave Fuse 6PCS – Best for DIY
Microwave Fuse 6PCS
6mmx32mm size
20A 250V
6 piece pack
Universal brand fit
This set of six fuses is perfect for DIY enthusiasts. It fits brands like Whirlpool and Kenmore alongside GE standards.
Pros
- Six units for multiple repairs
- Universal brand compatibility
- Slow-blow time delay
- Clear installation guidance
Cons
- Slightly longer 32mm
- Generic packaging
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The ceramic material and time-delay feature handle startup surges well. This protects sensitive internal components from unnecessary failures.
Ensure the 32mm length fits your fuse holder as some units use 30mm. Check carefully before purchasing to avoid returns.
Great for workshops or multi-appliance households. It offers a balance of utility and affordability for general maintenance.
Universal Brand Fit
Designed to work with many microwave brands, this fuse simplifies finding the right part for different models.
Time-Delay Protection
The slow-blow design allows brief high current spikes without blowing, ensuring your microwave starts up smoothly.
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7. Pack of 10 20 Amp – Best for Volume
Pack of 10 20 Amp
6x30mm dimensions
20A 250V
10 piece pack
Quartz sand filled
A solid choice for those needing a large quantity at once. This 10-pack ensures you have spares for several years of repairs.
Pros
- Ten unit bulk quantity
- Compatible with major brands
- Standard 6x30mm size
- Sand filled safety
Cons
- Long lead time possible
- Storage needed
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Each fuse features a ceramic body with quartz sand for safety. The ratings match common microwave requirements exactly.
Store unused fuses in a dry place to prevent corrosion. Verify the fit before installing to ensure reliability.
Perfect for repair shops or large families with multiple units. It simplifies inventory management for appliance maintenance.
High Volume Supply
With ten units included, this pack is ideal for stocking up for future needs without frequent reordering.
Standard Dimensions
The standard 6x30mm size ensures compatibility with most microwave fuse holders, simplifying the replacement process.
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8. BOJACK 20 Pcs – Best for Bulk Storage
BOJACK 20 Pcs Time Delay
6x30mm dimensions
20A 250V
20 piece pack
Plastic case included
This set offers 20 units with a convenient storage case for organization. It is a reliable choice for long-term stock.
Pros
- Includes plastic storage case
- High volume unit count
- Slow-blow time delay
- Trusted brand consistency
Cons
- Large package size
- Higher total cost
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The slow-blow design protects against temporary surges while maintaining safety during overloads. All units match standard microwave specs.
Ensure you have space to store the case properly. Always check the part number before installation to avoid issues.
Best for professionals or heavy users. The case helps keep your fuses safe and organized over time.
Convenient Storage Case
Included plastic case keeps your fuses organized and protected from moisture and physical damage during storage.
High Quantity Supply
With 20 units, this pack covers numerous repairs over several years without needing to reorder frequently.
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9. Litoexpe 20-Pack – Best Risk-Free
Litoexpe 20-Pack
6x30mm dimensions
20A 250V
Carrying case
30-day return
Litoexpe provides a strong safety net with a 30-day return policy. This 20-pack includes a case for easy transport.
Pros
- Includes carrying case
- 30-day return policy
- Ceramic sand construction
- Large 20 unit supply
Cons
- Aftermarket parts
- Confirm size before use
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The ceramic and sand build offers better safety against arc flash compared to glass. It handles high load fluctuations well.
Always verify size and voltage before ordering. The return window allows you to confirm suitability without risk.
A secure option for first-time buyers. The policy adds confidence to your purchase decision.
Customer Protection Policy
Enjoy a 30-day risk-free shopping period, allowing you to return or replace the product if it does not meet your needs.
Arc Flash Protection
The ceramic construction reduces arc flashover risks, making it safer than standard glass fuses in high current applications.
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10. Pack of 5 Replacement – Best OEM Standards
Pack of 5 Replacement
Fits OEM standards
20A 250V
5 pack quantity
Wide part list
This option is built to exceed OEM standards ensuring reliable performance. It lists dozens of part numbers it replaces for convenience.
Pros
- Guaranteed OEM compatibility
- Wide part number list
- Fast shipping stock
- High customer satisfaction
Cons
- Pack only has 5
- Fast blow type
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It comes as a 5-pack which is sufficient for most single repairs. High customer satisfaction rates reflect its quality.
Check your model number against the list. Ensure your microwave requires a fast blow or slow blow fuse.
Best for quick replacements where stock is key. It offers a direct route to fixing your appliance.
Guaranteed OEM Fit
This fuse is designed to meet and exceed OEM requirements ensuring a seamless fit in your appliance.
Fast Availability
Currently in stock with fast shipping options, this product helps you fix your microwave quickly without delays.
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Buying Guide – How to Choose the Best 20A 250V Ceramic Fuses for Microwave Ovens
Choosing the right fuse involves checking specific specifications to ensure safety and compatibility. This guide walks you through the key factors to consider before buying.
Current Rating
The current rating determines how much electricity the fuse can handle before blowing. For most microwave ovens, a 20A rating is standard to protect against overcurrent without blowing during normal operation.
Always select a fuse with the exact same current rating as your original part to avoid damage.
Voltage Rating
Voltage rating ensures the fuse can safely break the circuit under high voltage conditions. Most microwave fuses require a 250V rating to handle household electrical surges effectively.
Verify the voltage rating matches your appliance's requirements to ensure safe operation.
Size and Dimensions
Physical dimensions like length and diameter must match the fuse holder slot. Common sizes are 6x30mm but some models use 32mm. Mismatches can lead to poor contact or installation failure.
Measure your old fuse carefully before buying a replacement part.
Time Delay vs Fast Blow
Time delay or slow-blow fuses are designed to handle short spikes like startup surges. Fast blow fuses react immediately and may be used in specific control circuits.
Check if your model needs slow-blow or fast blow to prevent unnecessary outages.
Body Material
Ceramic bodies are preferred over glass for their heat resistance and safety. They contain quartz sand to extinguish arcs and prevent shattering during operation.
Choose ceramic options for durability and safer handling in kitchen appliances.
Packaging and Quantity
Fuses often come in packs of 1 5, or 20. Buying bulk can save money and ensure you have spares. Consider how many units you need before purchasing.
Select a pack size that matches your repair frequency and budget needs.
Compatibility
Many fuses are universal but some are specifically labeled for brands like GE or Whirlpool. Compatibility charts help confirm if a part fits your specific model.
Cross-reference part numbers to avoid returns and ensure a perfect fit.
Warranty and Support
Some sellers offer warranties or return policies to protect your purchase. A lifetime warranty or 30-day return window adds security against defects.
Look for options with solid support for a safer buying experience.
How to Use and Care for Your 20A 250V Ceramic Fuses for Microwave Ovens
Always disconnect your microwave from the power outlet before removing or installing a fuse. This prevents electric shock and protects the circuit board during the repair.
Inspect the fuse holder for dirt or corrosion before inserting the new fuse. Clean it gently with a dry cloth to ensure good electrical contact.
Store spare fuses in a dry place away from direct sunlight to prevent degradation. Proper storage maintains their integrity for future repairs.
Frequently Asked Questions
How do I know if my microwave fuse is blown?
Inspect the ceramic tube for cracks or discoloration. Use a multimeter to test continuity across the fuse terminals. No continuity indicates the fuse is blown and needs replacement.
Can I replace a slow-blow fuse with a fast-blow one?
It is not recommended because a fast-blow fuse may react to normal startup surges. This can cause frequent outages and may not provide the intended protection for your appliance.
Why does my new fuse blow immediately after installation?
This often points to an underlying electrical fault like a short in the magnetron or diode. Check other components and wiring before replacing the fuse again to fix the root cause.
Are ceramic fuses better than glass fuses for microwaves?
Yes, ceramic fuses handle higher heat and currents safely. The sand filling prevents arc flash and shattering which reduces fire risks compared to glass fuses.
How often should I replace the microwave fuse?
Fuses are designed to last indefinitely unless a fault occurs. You should only replace it if it blows or shows signs of damage during inspection.
Can I use a generic fuse instead of the brand specific one?
As long as the specs match the rating and size. A generic fuse with identical electrical properties will work just as well as the branded version.
What safety gear should I wear when changing a fuse?
Always unplug the unit and wear insulated gloves to avoid accidental shock. Use a dry workspace to ensure there are no conductive surfaces nearby.
Does a higher amperage fuse protect my microwave better?
No, a higher rating may allow too much current to flow through components. This can damage sensitive circuits. Stick to the original rating for safety.
Final Thoughts on Choosing the Best 20A 250V Ceramic Fuses for Microwave Ovens
The BOJACK Microwave Fuse leads with its solid compatibility and slow-blow design. Frienda offers the best value for those needing multiple units. BlueStars stands out for its premium support and warranty.
Prioritize matching the exact specifications including dimensions and ratings. Choosing the right type such as slow-blow versus fast blow ensures your microwave operates reliably without interruptions.
Prices and availability change frequently so always verify product details before ordering. With the right replacement your microwave can return to full functionality safely.