5-Pack 20 amp Microwave Fuse 20a 250v
4.5Editor score
Affordable 5-pack value
Universal replacement fit
Durable ceramic tube
In this guide
When your microwave stops working, a blown fuse is often the culprit. Choosing the right 20A 250V ceramic fuse ensures safety and longevity for your appliance. We compare top options to help you find the perfect match.
This guide evaluates ten highly rated fuses based on compatibility, build quality, and user feedback. We focus on slow-blow designs that protect against surges while handling normal startup currents. Our analysis covers key specs and real-world performance.
Each pick highlights specific strengths like durability or value. Prices fluctuate frequently, so check current listings before buying. Use these insights to restore your microwave safely and efficiently without overspending on unnecessary features.
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
Compatible with GE WB27X10388
Slow-blow ceramic construction
6x30mm standard dimensions
Frienda 20 Pcs Microwave Fuse
4.7Editor score
Large 20-piece quantity
Quartz sand filled safety
High surge resistance
Top 10 Best 20A 250V Ceramic Fuses for Microwave Ovens in 2026 Compared
Below is a side-by-side comparison of all ten selected fuses. Each entry includes key specifications and direct links to verified listings. Use this table to quickly identify the right size, rating, and value for your specific microwave model.
ProductsSpecificationsEditor scorePrice
Editor's Choice
BOJACK Microwave Fuse 20a
20A 250V Rating
6x30mm Dimensions
Slow-Blow Type
GE WB27X10388 Fit
4.6Editor score
Editor's Choice
Frienda 20 Pcs Microwave Fuse
20A 250V Rating
6.35x30mm Size
Slow Acting Design
Sand Filled Safety
4.7Editor score
Best Premium
HiQltyla 20A 250V Microwave Fuse
20A 250V Rating
6x30mm Cartridge
CSA Certified
2-Pack Quantity
4.6Editor score
BlueStars Upgraded 5-Pack
20A 250V Rating
6x30mm Dimensions
High-Purity Quartz
5-Pack Quantity
4.5Editor score
5-Pack 20 amp Microwave Fuse
20A 250V Rating
6x30mm Dimensions
Universal Compatibility
Heavy-Duty Ceramic
4.5Editor score
Microwave Fuse 20 Amp 250V
20A 250V Rating
6mm x 32mm Size
Slow-Blow Design
6-Pack Quantity
4.4Editor score
(Pack of 10) 20 Amp 250V
20A 250V Rating
6x30mm Dimensions
Slow-Blow Time
10-Pack Quantity
4.6Editor score
BOJACK Microwave Fuse 20A 250V (Pack of 20)
20A 250V Rating
6x30mm Dimensions
Time-Delay Design
20-Pack Quantity
4.6Editor score
Litoexpe 20-Pack 20A 250V
20A 250V Rating
6x30mm Fuse Size
Arc Flashover Safety
Carrying Case
4.7Editor score
(Pack of 5) Microwave Replacement Fuse
20A 250V Rating
Fast Blow Ceramic
Multiple Part Fits
5-Pack Quantity
4.7Editor score
1. BOJACK Microwave Fuse – Best Overall for Most Models
BOJACK Microwave Fuse 20a
6x30mm Dimensions
20Amp Current Rating
250V Voltage Rating
Slow-Blow Ceramic
The BOJACK Microwave Fuse stands out as a reliable choice for restoring microwave function. With a 4.6 rating, it consistently meets user expectations for safety and fit. Its slow-blow design handles startup surges without false blows.
Pros
- Direct GE compatibility
- Reliable slow-blow action
- Affordable single unit
- High customer trust
- Easy to install
Cons
- Single pack may need multiples
- Verify dimensions carefully
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This fuse features 20A 250V specs in a standard 6x30mm ceramic tube. It directly replaces GE part WB27X10388 and works with many universal models. The ceramic body resists heat better than glass options.
While effective, ensure your fuse holder size matches before purchasing. Some units may require checking voltage ratings again. These minor checks prevent unnecessary returns.
Choose this fuse if you need a quick, certified fix for common GE microwaves. Its balance of price and performance makes it ideal for urgent repairs.
Superior Slow-Blow Protection
The time-delay feature allows temporary high currents during startup, preventing premature failures.
Ceramic Tube Safety
Ceramic material contains arcs better than glass, reducing explosion risks during overload.
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2. Frienda 20 Pcs – Best Value Bulk Pack
Frienda 20 Pcs Microwave Fuse
20 Piece Quantity
6.35x30mm Size
20A 250V Rating
Quartz Sand Filled
The Frienda pack delivers exceptional value with twenty units. Its 4.7 rating signals high satisfaction among buyers. The slow-blow type protects against overloads while handling normal inrush currents effectively.
Pros
- Bulk quantity saves money
- Excellent 4.7 rating
- Surge resistance built-in
- Safe sand filling
- Multi-brand compatibility
Cons
- Check 6.35mm fit
- Not original OEM
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These fuses feature 20A 250V specs filled with sand. This sand prevents arcs during blowouts, enhancing safety over glass alternatives. They fit GE and Kenmore models seamlessly.
Confirm the 6.35mm diameter matches your holder. The aftermarket status means no original branding, but performance matches OEM standards. Verify specs before use.
Ideal for households with multiple appliances or repair shops. The bulk pack ensures spares are always ready without frequent reordering.
Safety Sand Filling
Sand inside the ceramic tube prevents arc flashover, reducing fire hazards.
Durability Against Surges
Robust design resists voltage spikes, extending appliance life during power fluctuations.
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3. HiQltyla 20A – Best Compact Safety
HiQltyla 20A 250V
2-Pack Quantity
6x30mm Dimensions
CSA Certified
Quartz Sand Inside
HiQltyla offers a compact two-pack solution. Its 4.6 rating highlights consistent performance. The slow-blow design is specifically tuned for microwave circuitry safety standards.
Pros
- CSA safety certification
- Sand-filled protection
- Compact packaging
- Slow-blow reliability
- Clear labeling
Cons
- Only 2 units included
- Verify fit precisely
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Each unit has 20A 250V ratings with quartz sand filling. This prevents dangerous arcs during failure. CSA certification ensures tested electrical properties.
The two-pack limits spares but ensures fresh parts. Verify dimensions match your unit perfectly. Certification adds trust for safety-conscious users.
Best for single-unit replacements where safety certification matters. The ceramic tube adds reliability over generic alternatives.
Certified Electrical Safety
CSA certification guarantees the fuse meets strict safety and performance benchmarks.
Quartz Sand Arc Control
Sand inside suppresses internal arcs, preventing fuse tube explosion risks.
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4. BlueStars Upgraded 5-Pack – Best Mid-Range Value
BlueStars Upgraded 5-Pack
5-Pack Quantity
6x30mm Dimensions
High-Purity Quartz Sand
Lifetime Protection
BlueStars provides five units with lifetime protection. Its 4.5 rating reflects solid reliability. The high-purity quartz sand maintains insulation better than standard materials.
Pros
- High-purity quartz filling
- Lifetime warranty
- Multiple part replacements
- Ceramic tube body
- 5-pack quantity
Cons
- Warranty terms may vary
- Verify size before buying
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This fuse handles 20A 250V loads with a durable ceramic body. It fits GE and Whirlpool models. The slow-blow type prevents unnecessary interruptions.
Lifetime protection covers defects, adding peace of mind. Always confirm dimensions to avoid installation issues. The 5-pack ensures long-term availability.
Choose for extensive coverage or multiple appliances. The warranty offers additional security against premature failures.
High-Purity Quartz Insulation
Superior quartz sand ensures stable insulation under high-temperature overload conditions.
Lifetime Protection Coverage
Defect coverage provides confidence in long-term performance and reliability.
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5. 5-Pack 20 amp – Best Affordable Fix
5-Pack 20 amp Microwave Fuse
5-Pack Quantity
6x30mm Dimensions
20A 250V Rating
Direct Replacement
This budget-friendly pack offers five fuses. Its 4.5 rating shows users find it reliable for basic needs. The slow-blow design protects against overloads effectively.
Pros
- Very low cost
- Five-unit value
- Universal fit
- Heavy-duty ceramic
- Quick install
Cons
- Budget materials
- Check specs again
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Specifications match 20A 250V with heavy-duty ceramic construction. It fits most common brands directly. The affordable price helps extend microwave life without expensive repairs.
While cost-effective, always verify dimensions to avoid return hassle. The ceramic ensures durability despite the low cost. Confirm part number matches.
Perfect for tight budgets needing multiple spares. The direct replacement simplifies the purchase process significantly.
Cost-Effective Solution
Affordable pricing makes microwave repair accessible without major financial commitment.
Heavy-Duty Ceramic Build
Robust ceramic tubes resist wear and ensure stable electrical performance.
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6. Microwave Fuse 6PCS – Best Multi-Brand Fit
Microwave Fuse 20 Amp 250V
6-Pack Quantity
6mm x 32mm Size
Slow-Blow Design
Universal Fit
This 6-pack serves multiple repair jobs. Its 4.4 rating suggests decent reliability for general users. The slow-blow design handles startup surges well for safety.
Pros
- Six-unit supply
- Wide brand compatibility
- Safety-first slow-blow
- Premium ceramic construction
- Easy DIY installation
Cons
- Check dimensions carefully
- Size difference noted
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Features 20A 250V specs in a 6mm x 32mm tube. It replaces GE WB27X10388. The ceramic construction ensures heat resistance and long service life.
Ensure the 32mm length matches your holder. While universal, precise fit is critical. The bulk quantity reduces frequent purchase need.
Ideal for general households needing spares. The direct replacement saves time during emergency fixes.
Safety-First Design
Time-delay protection prevents false trips during normal startup, keeping appliances safe.
Bulk Repair Efficiency
Six fuses allow quick replacements without waiting for shipments.
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7. 10-Pack 20 Amp – Best Bulk Option
(Pack of 10) 20 Amp
10-Pack Quantity
6x30mm Dimensions
Slow-Blow Time
Quartz Sand Filled
This 10-pack offers extensive coverage. Its 4.6 rating confirms consistent quality. The slow-blow type handles temporary overloads without blowing prematurely.
Pros
- Ten-unit supply
- Reliable ratings
- Sand-filled safety
- Universal compatibility
- Time-delay protection
Cons
- Large quantity might not need
- Check fit first
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Units have 20A 250V ratings with quartz sand filling. They fit GE, Whirlpool, and Kenmore. The ceramic body protects against arcs during overload.
Ensure dimensions match your specific unit. The large pack ensures long-term supply. Verify specs before use.
Best for repair shops or multiple appliances. The value per unit is high for spares.
Sand-Filled Safety
Quartz sand inside the tube enhances arc suppression for safer failures.
Universal Compatibility
Fits many major brands, simplifying the replacement process.
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8. BOJACK 20-Pack – Best Long-Term Stock
BOJACK Microwave Fuse 20A 250V (Pack of 20)
20-Pack Quantity
6x30mm Dimensions
Time-Delay Design
Plastic Storage Case
This BOJACK 20-pack is ideal for long-term stock. Its 4.6 rating matches previous quality. The slow-blow design ensures safety during startup surges.
Pros
- Twenty-unit supply
- Storage case included
- Consistent brand quality
- Slow-blow protection
- High user rating
Cons
- Bulk may be too much
- Verify fit precisely
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Features 20A 250V specs with a plastic storage case. The 6x30mm size fits most common models. Time-delay design prevents unnecessary replacements.
The large quantity ensures readiness for multiple repairs. Always check dimensions. The storage keeps units organized.
Best for professionals needing reliable spares. The consistent quality reduces repair time significantly.
Storage Case Included
Plastic storage keeps fuses organized and protected from moisture.
Reliable Brand Quality
BOJACK delivers consistent standards across all fuse packs.
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9. Litoexpe 20-Pack – Best Arc-Flash Protection
Litoexpe 20-Pack
20-Pack Quantity
6x30mm Fuse Size
Arc Flashover Prevention
Carrying Case
Litoexpe offers 20 units with arc flashover prevention. Its 4.7 rating highlights high safety standards. The ceramic body reduces bursting risks during overload.
Pros
- Twenty-unit supply
- Arc flashover safety
- Risk-free shopping
- Ceramic body
- Carrying case included
Cons
- Check size precisely
- Verify voltage rating
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Units have 20A 250V ratings with quartz sand. The case carries spares safely. High amperage loads like microwaves need reliable protection.
Risk-free shopping ensures support if issues arise. Always verify specs. The bulk pack suits workshops.
Best for safety-conscious buyers. The arc protection reduces severe hazards effectively.
Arc Flashover Prevention
Ceramic construction reduces the risk of dangerous arcs and explosions.
Risk-Free Shopping
30-day return policy ensures customer confidence and support.
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10. 5-Pack Microwave Replacement – Best OEM Standard
(Pack of 5) Microwave Replacement Fuse
5-Pack Quantity
Fast Blow Ceramic
Multiple Part Replacements
Exceeds OEM
This pack guarantees OEM-standard replacement. Its 4.7 rating shows high user trust. It fits numerous part numbers, including WB27X10388. The fast blow type is designed for quick circuit protection.
Pros
- OEM standard fit
- Multiple replacements
- High satisfaction rating
- Fast shipping
- Guaranteed requirements
Cons
- Fast blow may differ
- Verify specs again
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Units handle 20A 250V loads. The ceramic construction ensures safety. Stock guarantees fast shipping. The 5-pack offers good value.
Check if fast blow suits your needs. Most users find it reliable. The parts list ensures fit for many models.
Best for users needing exact fit. The multiple replacements save time choosing specific models.
Multiple Part Compatibility
Fits numerous OEM part numbers, simplifying the selection process.
OEM Standard Quality
Guaranteed to exceed OEM requirements for consistent performance.
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Buying Guide – How to Choose the Best 20A 250V Ceramic Fuses for Microwave Ovens
Choosing the right fuse requires attention to several technical factors. This guide explains what to verify before purchasing to ensure safety and compatibility with your microwave model.
Amperage and Voltage Rating
Always match the amperage and voltage exactly. Most microwave fuses are 20A and 250V. Using a higher rating risks damage during overload, while a lower rating causes frequent blows.
Verify the specs on your old fuse or manual. Stick to 20A 250V ratings for safety.
Physical Dimensions
Fuses come in standard sizes like 6x30mm. Measure your existing fuse to confirm diameter and length. Even small differences can prevent proper contact in the holder.
Check for 6x30mm or similar. Confirm fits before ordering.
Slow-Blow vs Fast-Blow
Microwaves need slow-blow fuses to handle startup surges. Fast-blow types might trip unnecessarily. Always check the product description for time-delay features.
Prioritize slow-blow types for normal operation. Avoid fast-blow unless specified.
Material Construction
Ceramic bodies offer better heat resistance than glass. They reduce the risk of bursting during overload. Look for quartz sand filling inside the tube.
Choose ceramic with sand filling. Ensure safety during electrical faults.
Compatibility
List the brand and part number on the product page. Universal fit works for GE, Whirlpool, and Kenmore. Always verify against your model.
Match brands and parts. Ensure the fit.
Safety Certifications
Look for CSA or UL listings. These ensure tested electrical safety. Avoid uncertified options for household appliances.
Choose certified fuses. Ensure reliable protection.
Package Quantity
Bulk packs offer value for spares. A single unit may suffice for one repair. Consider if you need extra for future replacements.
Select bulk for value. Single units for one-time fixes.
Warranty and Support
Some sellers offer lifetime protection. Check return policies for defects. Support ensures peace of mind if issues arise.
Prioritize sellers with support. Ensure easy replacements.
How to Use and Care for Your 20A 250V Ceramic Fuses for Microwave Ovens
Always unplug the microwave before opening the casing. Locate the fuse holder near the power entry point. Remove the old fuse carefully and inspect it for signs of damage or burning.
Insert the new fuse securely. Ensure it clicks into place and makes good contact. Close the casing and restore power to test the microwave. Listen for normal startup sounds to confirm proper function.
Store unused fuses in a dry place. Keep them in their original packaging. Check the new fuse periodically if it blows repeatedly, which might indicate another internal fault in the appliance.
Frequently Asked Questions
What does a 20A 250V rating mean for microwave fuses?
The 20A rating indicates the maximum current the fuse can carry before blowing. The 250V rating means it is designed for circuits up to 250 volts. This combination ensures safe operation for standard household microwaves.
Can I use a glass fuse instead of a ceramic one?
No, ceramic fuses are preferred for microwaves because they handle heat and arcs better. Glass fuses may shatter under high load, posing safety risks. Always use ceramic replacements for this appliance.
Why does my new fuse blow immediately?
Immediate blowing often indicates another underlying issue like a faulty magnetron, diode, or door switch. Simply replacing the fuse won't fix those problems. Check for other damaged components before trying again.
Are slow-blow fuses necessary for all microwaves?
Yes, microwaves produce high inrush currents during startup. Slow-blow fuses allow these surges without breaking the circuit. Using fast-blow types may cause false trips during normal operation.
How do I find the correct replacement fuse?
Check the old fuse label for numbers like WB27X10388. You can also consult the microwave manual. Verify the 6x30mm size and 20A rating before purchasing.
Is it safe to replace the fuse myself?
Yes, but always disconnect power first. Wear gloves and tools to avoid injury. If unsure, consult a professional to prevent electrical hazards or appliance damage.
Do aftermarket fuses work as well as OEM parts?
Many aftermarket options meet or exceed OEM standards. Look for quality brands with good ratings and certifications. Ensure the fit and specs match to avoid safety issues.
How long do microwave fuses typically last?
A healthy fuse can last years. They usually blow due to overload or component failure. If it blows without reason, investigate the appliance for hidden faults.
Final Thoughts on Choosing the Best 20A 250V Ceramic Fuses for Microwave Ovens
This guide highlights reliable options like BOJACK and Frienda for most users. Each fuse offers specific strengths in safety, fit, and value. Choose based on your microwave model and repair needs.
Prioritize slow-blow designs with ceramic bodies. Verify dimensions and ratings carefully before buying. Bulk packs save money if you need multiple units.
Prices fluctuate regularly, so check current listings for the best deal. Ensure the seller offers support. Use these insights to restore your appliance safely and affordably.