Frienda 20 Pcs Microwave Fuse
4.7Editor score
20-piece bulk pack
Slow-blow ceramic design
Compatible with GE models
In this guide
When your microwave stops working, a blown fuse is often the culprit. Finding the right 20A 250V ceramic fuse is critical for restoring power safely. Not all fuses are built the same, so choosing a quality replacement matters for long-term reliability.
We analyzed ten popular microwave fuse options based on compatibility, safety features, and user reviews. Our comparison focuses on slow-blow ceramic designs that protect sensitive electronics from surges. This list covers various pack sizes and brands to suit different repair needs.
Each pick below highlights key specifications and real-world performance insights. We include installation tips and buying factors to guide your decision. Please note that product prices and availability change frequently, so verify details before purchasing your replacement part.
Top 3 Picks for Best 20A 250V Ceramic Fuses for Microwave Ovens
BOJACK Microwave Fuse 20a
4.6Editor score
High-quality slow-blow
Universal replacement fit
Protects circuitry effectively
BlueStars Upgraded 5-Pack
4.5Editor score
Lifetime protection warranty
Quartz sand filled
Heavy-duty ceramic body
Top 10 Best 20A 250V Ceramic Fuses for Microwave Ovens in 2026 Compared
Below is a side-by-side comparison of all ten selected microwave fuses. Each entry lists core specifications and direct links to verify compatibility with your specific oven model before making a purchase.
ProductsSpecificationsEditor scorePrice
Editor's Choice
BOJACK Microwave Fuse 20a
20A 250V rating
6x30mm dimensions
Slow-blow type
GE WB27X10388 compat
4.6Editor score
Editor's Choice
Frienda 20 Pcs Microwave Fuse
20A 250V rating
6.35x30mm size
Slow acting blow
Filled with sand
4.7Editor score
Best Premium
HiQltyla 20A 250V
20A 250V rating
6x30mm cartridge
CSA safety certified
2-piece package
4.6Editor score
BlueStars Upgraded 5-Pack
20A 250V rating
6x30mm dimensions
5-pack quantity
Lifetime warranty
4.5Editor score
5-Pack 20 amp Microwave Fuse
20A 250V rating
0.24×1.2 inch size
Multiple brand compat
Heavy-duty ceramic
4.5Editor score
Microwave Fuse – 20 Amp
20A 250V rating
6mm x 32mm size
6-piece package
Time delay design
4.4Editor score
(Pack of 10) 20 Amp
20A 250V rating
6x30mm dimensions
10-piece package
Quartz sand filled
4.6Editor score
BOJACK Microwave Fuse 20AL250V
20A 250V rating
6x30mm dimensions
20-piece package
Plastic case
4.6Editor score
Litoexpe 20-Pack 20A
20A 250V rating
6x30mm dimensions
20-piece package
Carrying case
4.7Editor score
(Pack of 5) Microwave Replacement
20A 250V rating
Ceramic line fuse
5-pack quantity
Fast blow type
4.7Editor score
1. BOJACK Microwave Fuse 20a – Best Overall Ceramic Fuse
BOJACK Microwave Fuse 20a
20A 250V rating
6x30mm dimensions
Slow-blow type
Protects circuitry
This BOJACK microwave fuse stands out as a reliable repair choice with a strong 4.6-star rating. It delivers a slow-blow ceramic design that protects sensitive internal components from dangerous power surges during operation.
Pros
- High-quality slow-blow design
- Universal replacement fit
- Protects microwave circuitry
- Compatible with GE models
- Reliable performance
Cons
- May need verification
- Single unit pack
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The fuse features a 20A 250V rating with 6x30mm dimensions, making it a direct universal replacement for many models including GE WB27X10388. Its high-quality construction ensures durability while safely interrupting the circuit during overloads.
While users appreciate its reliability, some note that checking compatibility before purchase is essential since it is a universal replacement. The single unit pack may not suit those needing bulk spares for future repairs or multiple units.
Homeowners seeking a trusted, effective solution for restoring power to their microwave should consider this option. It balances quality construction with broad compatibility for most standard household appliance repair needs today.
Slow-Blow Protection
The slow-blow design handles temporary inrush currents better than fast-blow types during startup.
Circuitry Safety
Its ceramic body and sand fill prevent arc flash and reduce fire risks during failure.
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2. Frienda 20 Pcs Microwave Fuse – Best Bulk Value
Frienda 20 Pcs Microwave Fuse
20A 250V rating
6.35x30mm size
Slow acting blow
Filled with sand
Frienda offers a 20-piece bulk pack ideal for repair shops or homeowners keeping spare fuses on hand. Rated 4.7 stars, these slow-blow ceramic fuses combine affordability with sufficient safety features for everyday use.
Pros
- 20-piece bulk pack
- Slow-blow ceramic design
- Compatible with GE models
- Durable resist surge current
- Safe sand-filled fuse
Cons
- Not original equipment
- Check size carefully
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Each fuse measures 6.35 x 30 mm with a 20A 250V rating compatible with GE WB27X10388 and Kenmore models. The sand-filled ceramic tube prevents glass fragments and arc pulling, ensuring safe operation during overloads.
Buyers should confirm dimensions and ratings match their old fuse since these are aftermarket replacements. While not original equipment, they provide a practical and economical way to restore microwave function quickly without high costs.
Those needing multiple units or a cost-effective solution will find this pack excellent. It delivers reliable performance and safety features suitable for protecting various microwave circuits and household appliances effectively.
Safety Features
The sand filling prevents glass shards and reduces fire risk if the fuse blows suddenly.
Value Pack
Twenty pieces provide long-term replacement value for future repairs without reordering often.
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3. BlueStars Upgraded 5-Pack – Best Premium Protection
BlueStars Upgraded 5-Pack
20A 250V rating
6x30mm dimensions
5-pack quantity
Lifetime warranty
BlueStars delivers a premium 5-pack fuse with lifetime protection, appealing to users seeking durability and peace of mind. Rated 4.5 stars, it features a robust ceramic body with high-purity quartz sand for superior insulation and reliability.
Pros
- Lifetime protection warranty
- Quartz sand filled
- Heavy-duty ceramic body
- Easy to install
- Protects against faults
Cons
- Verify part number
- Price higher than others
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With 20A 250V rating and 6x30mm dimensions, it replaces GE WB27X10388 and fits Whirlpool, Kenmore, LG, and more. Its wear-resistant design ensures long life while safely cutting power during overheating or surges to protect components.
Installation is quick but requires checking your old fuse size and part number to avoid mismatches. The price is slightly higher than bulk options, but the lifetime warranty and quality construction justify the cost for critical repairs.
Ideal for homeowners wanting top-tier reliability and warranty coverage, this pack ensures lasting performance. It combines safety, durability, and broad compatibility for repairing multiple microwave models efficiently and confidently.
Lifetime Warranty
Lifetime protection ensures coverage for defects or issues without extra cost to you.
Premium Insulation
High-purity quartz sand inside maintains insulation preventing overcurrent from reconnecting circuit.
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4. HiQltyla 20A 250V – Best Safe Cartridge Fuse
HiQltyla 20A 250V
20A 250V rating
6x30mm cartridge
CSA safety certified
2-piece package
HiQltyla offers a safety-focused 2-piece pack with CSA certification and slow-blow design for microwave circuit protection. Rated 4.6 stars, these fuses use high-quality materials and quartz sand to prevent arcs and ensure safer operation.
Pros
- CSA safety certified
- Slow-blow design
- Quartz sand filled
- High quality materials
- 1 year warranty
Cons
- Small 2-piece pack
- Verify specs carefully
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Each cartridge measures 6x30mm with a 20A 250V rating suitable for universal replacement in most microwave brands. The ceramic tube filled with quartz sand reduces arc pull risk, improving safety over glass fuses in extreme cases.
The two-unit package suits single repairs but may need reordering for spares. Buyers must confirm specifications match their old fuse before purchase to ensure proper fit and function without installation issues.
Safety-conscious users wanting certified reliable fuses will appreciate these cartridges. Their construction and safety features make them a solid choice for protecting microwaves and other sensitive electronic devices from electrical faults.
CSA Certification
All electrical properties passed safety certification ensuring reliability and user safety.
Arc Prevention
Quartz sand fill reduces probability of arc pulling compared to air-filled glass fuses.
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5. 5-Pack 20 amp Microwave Fuse – Best Compatibility Match
5-Pack 20 amp Microwave Fuse
20A 250V rating
0.24×1.2 inch size
Multiple brand compat
Heavy-duty ceramic
This 5-pack delivers a direct universal replacement for most microwave models with strong compatibility across GE and others. Rated 4.5 stars, it offers a reliable safety device designed to quickly blow during overheating or power surges.
Pros
- Direct universal replacement
- Wide brand compatibility
- Heavy-duty ceramic body
- Easy to install
- Reliable safety device
Cons
- Verify part number
- No premium warranty
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With 20A 250V rating and 0.24 x 1.2 inch dimensions, it replaces part numbers like WB27X10388 and many others. Its heavy-duty ceramic tube and end caps ensure long-lasting performance with excellent insulation and wear resistance.
While widely compatible, confirming dimensions and ratings remains necessary before installation. The five-unit pack provides practical spares for future repairs without high costs, making it a cost-effective option for routine appliance maintenance.
Users seeking a straightforward replacement with broad brand support will find this pack suitable. It combines durable construction and safety features to restore microwave function effectively and keep appliances running longer.
Wide Compatibility
Directly replaces multiple part numbers across GE Whirlpool Kenmore KitchenAid and many more.
Durable Construction
Heavy-duty ceramic tube with high-purity quartz sand ensures stability and long service life.
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6. Microwave Fuse – 20 Amp – Best 6-Piece Pack
Microwave Fuse – 20 Amp
20A 250V rating
6mm x 32mm size
6-piece package
Time delay design
A 6-piece pack ideal for DIY repairers needing spares alongside current replacement. Rated 4.4 stars, it features a slow-blow ceramic construction engineered to handle inrush currents during microwave startup safely.
Pros
- 6-piece bulk pack
- Slow-blow time delay
- Premium ceramic construction
- Easy DIY installation
- Guaranteed compatibility
Cons
- 6mm x 32mm size
- Check old fuse rating
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With 20A 250V rating and 6mm x 32mm dimensions, it replaces GE WB27X10388 and fits Whirlpool and Kenmore models. The premium ceramic body ensures heat resistance and electrical insulation for stable long-term operation in appliances.
Note this fuse uses 6mm x 32mm dimensions which differ from common 6x30mm sizes. Always verify your old fuse's rating before installation. The 6-piece pack saves money compared to single units and is simple to replace.
Homeowners wanting reliable backups and easy DIY repair will appreciate this pack. Its construction and guaranteed compatibility provide confidence for fixing microwaves and protecting internal components effectively and affordably.
Time Delay Design
Slow-blow construction handles temporary high inrush current safely without blowing unnecessarily.
Bulk Savings
Six pieces save time and money compared to buying single fuses for future needs.
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7. (Pack of 10) 20 Amp – Best 10-Piece Value
(Pack of 10) 20 Amp
20A 250V rating
6x30mm dimensions
10-piece package
Quartz sand filled
This 10-piece pack offers excellent value for homeowners and repair shops needing multiple replacements. Rated 4.6 stars, it uses slow-blow time delay ceramic fuses designed for reliable overcurrent protection across various electronic devices.
Pros
- 10-piece bulk pack
- Slow-blow time delay
- Universal replacement fit
- Quartz sand filled
- Overcurrent protection
Cons
- Large pack size
- Verify compatibility first
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Each fuse measures 6x30mm with a 20A 250V rating suitable for universal replacement in GE WB27X10388 and many microwaves. The alloy body with nickel-plated brass and quartz sand ensures durability and safe insulation during operation.
While the larger pack suits bulk needs, verify compatibility before purchase to avoid mismatches. It provides long-term supply without frequent reordering, making it economical for those servicing multiple appliances or storing spares.
Users wanting extensive inventory and proven protection will find this pack ideal. Its quality construction and slow-blow design ensure safety and reliability for microwave circuits and sensitive electronics effectively.
Quartz Sand Safety
Quartz sand fill in ceramic tube ensures stable insulation during overcurrent protection events.
Bulk Supply
Ten pieces offer long-term supply for repeated repairs without constant reordering or cost increases.
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8. BOJACK Microwave Fuse 20AL250V – Best 20-Piece Stock
BOJACK Microwave Fuse 20AL250V
20A 250V rating
6x30mm dimensions
20-piece package
Plastic case
This 20-piece bulk pack from BOJACK provides extensive inventory for repair professionals or households needing spares. Rated 4.6 stars, it features high-quality slow-blow ceramic fuses designed for reliable universal replacement in microwave ovens.
Pros
- 20-piece bulk pack
- Slow-blow ceramic fuses
- Plastic storage case
- Universal replacement
- High-quality build
Cons
- 20-piece pack may be excess
- Single type
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Each fuse measures 6x30mm with a 20A 250V rating and comes packed in a plastic storage case for organized access. The time-delay ceramic design protects sensitive components from surges while handling temporary inrush currents safely.
The 20-piece quantity suits large repair needs but may be excess for single-use replacements. Verify your old fuse specifications before purchase to ensure compatibility. The storage case helps keep spare fuses organized and protected.
Users wanting maximum stock and organized storage will appreciate this pack. Its reliable quality and slow-blow design ensure long-term readiness for repairing multiple microwave appliances without frequent reordering.
Plastic Storage Case
Packed in a plastic storage case for organized storage and easy access to fuses.
Time Delay Protection
Time-delay slow-blow ceramic design safely handles temporary inrush currents without blowing.
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9. Litoexpe 20-Pack 20A – Best Safety Ceramic Fuse
Litoexpe 20-Pack 20A
20A 250V rating
6x30mm dimensions
20-piece package
Carrying case
Litoexpe delivers a 20-piece pack with carrying case ideal for portable storage and repeated repairs. Rated 4.7 stars, these ceramic time delay fuses offer strong safety features reducing arc flashover and fire risks during overloads.
Pros
- 20-piece package
- Carrying case included
- Ceramic tube build
- Reduces arc flashover
- Risk-free shopping
Cons
- Verify size and rating
- Non-original product
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Each fuse measures 6x30mm with a 20A 250V rating and nickel-plated brass ends for durability. The ceramic body filled with sand prevents bursting and hot metal spray, enhancing safety compared to glass body fuses in severe overloads.
Users should confirm size and ratings before ordering since these are aftermarket replacements. The carrying case ensures easy transport and organization of spares, making this pack convenient for mobile repair work or storage.
Ideal for those prioritizing safety and portability, this pack provides extensive spares with reliable protection. Its construction and included case offer practical value for maintaining microwave circuits and other high-load devices effectively.
Safety Design
Ceramic construction prevents arc flashover reducing risk of bursting and hot metal spray.
Carrying Case
Includes a carrying case for organized transport and storage of your 20-piece package.
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10. (Pack of 5) Microwave Replacement – Best OEM Match
(Pack of 5) Microwave Replacement
20A 250V rating
Fast blow type
5-pack quantity
Guaranteed OEM
This 5-pack matches OEM standards with an extensive part number list for universal compatibility across many microwave models. Rated 4.7 stars, it provides a ceramic line fuse designed for reliable replacement with guaranteed quality performance.
Pros
- Guaranteed OEM standards
- Extensive part number list
- Fast blow type
- 5-pack quantity
- In stock fast
Cons
- Fast blow not slow-blow
- Verify fuse type
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Each fuse measures 20A 250V and is a fast blow type suited for specific needs. It replaces numerous part numbers including WB27X10388 ensuring broad fit for various appliance brands. Ships fast with stock availability for quick repairs.
Note that this fuse is a fast blow type which may differ from slow-blow fuses some models require. Always confirm your old fuse type before buying to avoid compatibility issues. The 5-pack offers practical spares at reasonable value.
Users needing OEM-match replacement with quick shipping will find this pack excellent. Its extensive part compatibility and guaranteed standards make it a solid choice for restoring microwave function accurately and efficiently.
OEM Standards
Fits OEM standards and guaranteed to exceed OEM requirements for reliable performance.
Part Number List
Replaces extensive list of part numbers ensuring wide compatibility across microwave brands and models.
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Buying Guide – How to Choose the Best 20A 250V Ceramic Fuses for Microwave Ovens
Selecting the right replacement fuse ensures safe and lasting repairs. Consider these key factors before purchasing to match your microwave's requirements and avoid future failures.
Amperage and Voltage Rating
Always match the exact amperage and voltage rating of your original fuse. For most microwaves, this is 20A 250V. Using a different rating can cause overheating or failure to protect the circuit properly.
Check your old fuse or user manual to confirm these specs before buying a replacement part.
Fuse Type: Slow-Blow vs Fast-Blow
Slow-blow fuses handle temporary inrush currents during startup without blowing unnecessarily. Fast-blow fuses react quickly to any overload. Microwaves usually require slow-blow designs to avoid nuisance blows during normal operation.
Verify your old fuse type and choose matching slow-blow or fast-blow to ensure compatibility.
Physical Dimensions
Ceramic fuses typically come in 6x30mm or similar sizes. Measure your old fuse's diameter and length precisely. Even small differences can prevent fitting in the fuse holder or cause connection issues.
Compare the new fuse dimensions carefully against your old one to ensure a secure fit.
Material Quality
High-quality ceramic tubes with quartz sand fill provide better insulation and reduce arc flashover risk during overloads. Avoid cheap fuses with poor materials that may burst or fail to protect safely.
Look for products highlighting ceramic body, sand fill, and safety certifications for reliability.
Compatibility with Brand
Many fuses list compatibility with brands like GE, Whirlpool, Kenmore, and more. Ensure the replacement fuse explicitly supports your microwave's brand or part number to avoid installation problems.
Check the product description for brand compatibility and part number matches before purchasing.
Pack Size
Fuses come in single units, 2-packs, 5-packs, or larger bulk packs. Consider how many spares you need. Buying in bulk can save money if you anticipate future repairs or own multiple appliances.
Choose pack size based on your repair frequency and storage needs for convenience.
Safety Certifications
Fuses with safety certifications like CSA or UL ensure tested performance and safety standards. Certified products provide greater assurance against electrical hazards during operation and failure.
Prioritize fuses with recognized safety certifications for added reliability and user protection.
Warranty
Some sellers offer limited or lifetime warranties covering defects or early failures. A warranty adds confidence and recourse if the fuse fails prematurely. Check warranty terms before purchase.
Look for warranties that match your expectations for product lifespan and support.
How to Use and Care for Your 20A 250V Ceramic Fuses
Always disconnect power from the microwave before replacing the fuse to avoid electrical shock. Unplug the appliance or turn off the circuit breaker for safety.
Locate the fuse holder typically near the power cord entry or control panel. Use a multimeter to confirm the old fuse is blown by testing for continuity.
Insert the new fuse firmly ensuring correct orientation if applicable. Reassemble the microwave and restore power. Test the appliance to confirm proper operation.
Frequently Asked Questions
Can I replace a 20A microwave fuse with a different amperage?
No. Using a different amperage can lead to inadequate protection or frequent blowing. Always match the exact 20A rating of your original fuse to ensure safe operation.
How do I know if my microwave fuse is blown?
A blown fuse often causes the microwave to have no power at all. Test continuity with a multimeter or inspect visually for a broken filament or darkening inside the ceramic tube.
Why does my microwave fuse keep blowing?
A repeatedly blown fuse may indicate a deeper electrical fault such as a bad diode, magnetron, or wiring issue. Simply replacing the fuse without diagnosing the root cause could lead to recurring problems.
Are slow-blow fuses better for microwaves?
Yes. Microwaves draw high inrush current at startup which slow-blow fuses accommodate without blowing. Fast-blow fuses may trigger unnecessarily during normal operation.
What size is the typical microwave ceramic fuse?
Most microwave fuses are 6x30mm or 6.35x30mm. Always verify your old fuse dimensions precisely before purchasing a replacement to ensure proper fit.
Is it safe to repair a microwave myself?
Microwaves contain high-voltage components that can be dangerous. Always unplug the appliance, discharge capacitors safely, and proceed only if you have electrical repair experience.
How long does a ceramic fuse last?
A quality ceramic fuse can last years under normal conditions. Frequent blowing suggests underlying electrical issues. Proper installation and matching specs extend fuse lifespan.
Where can I find the fuse in my microwave?
The fuse is usually located near the power entry or behind the control panel. Consult your microwave's service manual for exact location and safe access instructions.
Final Thoughts on Choosing the Best 20A 250V Ceramic Fuses for Microwave Ovens
Our top picks include the BOJACK and Frienda fuses offering excellent balance of quality and value. BlueStars provides premium warranty protection for those seeking reliability.
Prioritize matching exact specifications including amperage voltage and slow-blow design. Always confirm dimensions and brand compatibility before buying to avoid issues.
Prices and availability change frequently so verify current details before purchase. With the right fuse, your microwave repair can be quick, safe, and cost-effective.