5-Pack 20 amp Microwave Fuse 20a 250v
4.5Editor score
Affordable 5 pack value
Compatible with multiple major brands
Quick and easy installation process
In this guide
When your microwave stops heating or displays an error code, a blown fuse is often the culprit. Finding the right 20A 250V ceramic fuse is essential for restoring functionality safely. These components protect your appliance from power surges and electrical faults. A reliable fuse ensures your kitchen stays equipped without risking further damage to sensitive circuitry.
We analyzed ten top-rated ceramic fuses based on compatibility build quality and user feedback. Each product meets the standard 20A 250V specification required for most modern microwave ovens. Our comparison highlights slow-blow designs that handle inrush current without nuisance blowing. We also consider packaging quantity and ease of installation for DIY repairs.
Each pick in this list shows key specifications and real-world performance notes. You will find options ranging from single units to bulk packs for future replacements. Please note that prices and availability change frequently on retail platforms. Always verify your specific microwave model requirements before purchasing a replacement fuse to ensure a perfect fit.
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
Universal fit for GE and Whirlpool
Slow-blow design prevents nuisance trips
High quality ceramic tube construction
Frienda 20 Pcs Microwave Fuse, 20a 250v Slow-Blow Ceramic
4.7Editor score
Bulk 20 piece quantity included
Filled with sand for enhanced safety
Durable resist surge current design
Top 10 Best 20A 250V Ceramic Fuses for Microwave Ovens in 2026 Compared
This table provides a side-by-side comparison of all ten products to help you choose the best option for your needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
BOJACK Microwave Fuse 20a
6×30 mm dimensions
20 Amp current rating
250 Volt voltage rating
Slow-Blow time delay
4.6Editor score
Editor's Choice
Frienda 20 Pcs Microwave Fuse
20 pieces per package
6.35 x 30 mm size
20 Amp current rating
Sand filled ceramic tube
4.7Editor score
Best Budget
HiQltyla 20A 250V Microwave Fuse
2 pieces per package
6x30mm ceramic cartridge
20 Amp current rating
Quartz sand inside
4.6Editor score
BlueStars Upgraded 5-Pack WB27X10388
5 pieces per package
6 x 30 mm size
20 Amp current rating
Lifetime protection warranty
4.5Editor score
5-Pack 20 amp Microwave Fuse 20a
5 pieces per package
6×30 mm dimensions
20 Amp current rating
Universal replacement design
4.5Editor score
Microwave Fuse 20 Amp 250V
6 pieces per package
6mm x 32mm size
20 Amp current rating
Universal fit design
4.4Editor score
(Pack of 10) 20 Amp 250V Microwave Fuse
10 pieces per package
6x30mm dimensions
20 Amp current rating
Quartz sand filled
4.6Editor score
BOJACK Microwave Fuse 20AL250V
20 pieces per package
6×30 mm dimensions
20 Amp current rating
Plastic storage case
4.6Editor score
Litoexpe 20-Pack 20A 250V
20 pieces per package
6 x 30mm size
20 Amp current rating
Carrying case included
4.7Editor score
(Pack of 5) Microwave Replacement Fuse
5 pieces per package
Ceramic line fuse
20 Amp current rating
Replaces OEM part numbers
4.7Editor score
1. BOJACK Microwave Fuse 20a – Best Overall 20A 250V Ceramic Fuses for Microwave Ovens
BOJACK Microwave Fuse 20a
6×30 mm dimensions
20 Amp current rating
250 Volt voltage rating
Slow-Blow time delay
This BOJACK fuse offers a reliable solution for microwave repair with its 20 Amp and 250 Volt ratings. It features a slow-blow design that prevents nuisance blowing during power surges while maintaining safety. Users appreciate its compatibility with common models like the GE WB27X10388.
Pros
- High quality slow-blow design
- Compatible with GE microwaves
- Protects microwave circuitry effectively
- Universal replacement for multiple brands
- Reliable ceramic construction
Cons
- Single unit packaging may limit bulk buys
- Verify size before purchase
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The ceramic construction ensures durability and protects against electrical faults effectively. It is filled with high quality materials to maintain consistent performance over time. This fuse is designed to cut power when the oven overheats or suffers excessive current.
While it comes as a single unit, the quality justifies the purchase for immediate repairs. Some users may prefer bulk packs for future needs but this is ideal for quick fixes. Always disconnect power before installing to ensure safety.
Buyers seeking a trusted replacement for GE and other major brands should consider this option. It balances cost and performance well for typical household microwave issues. Check your model number to confirm fit before ordering.
Slow-Blow Technology for Circuit Protection
The slow-blow design handles temporary inrush current without tripping unnecessarily. This ensures your microwave starts properly while still protecting against real faults.
Universal Compatibility for Easy Replacement
Compatible with GE WB27X10388 and other common models. This universal fit reduces search time for the right part.
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2. Frienda 20 Pcs Microwave Fuse – Best Premium 20A 250V Ceramic Fuses for Microwave Ovens
Frienda 20 Pcs Microwave Fuse
20 pieces per package
6.35 x 30 mm size
20 Amp current rating
Sand filled ceramic tube
This pack provides 20 ceramic tube fuses which is excellent for multiple repairs or stocking up. The slow acting blow design ensures durability and resistance to surge current. It meets the 20 Amp and 250 Volt requirements for most microwaves.
Pros
- 20 pieces sufficient quantity
- Filled with sand for safety
- Compatible with GE and Kenmore
- Slow acting blow time delay
- Safe to use no glass fragments
Cons
- Aftermarket product not original
- Check size carefully before buying
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Safety is a key highlight with the sand filled ceramic tube. When the fuse burns out it does not produce glass fragments making it safer than glass alternatives. The material resists overcurrent and short circuits effectively.
Although it is an aftermarket product it demonstrates clear compatibility with brands like GE and Kenmore. Always check the rated current and voltage before purchase. The warm notice advises turning off power before replacement for safety.
Those looking for bulk value and enhanced safety features will find this pack ideal. It serves daily replacement demands well and can last a long time. Verify your model compatibility to ensure a proper fit.
Bulk Packaging for Long Term Use
With 20 pieces included you can satisfy daily replacement demands for years. This bulk quantity saves time and money compared to buying single units later.
Sand Filled Construction for Safety
The ceramic tube is filled with sand to prevent glass fragments upon failure. This design reduces risk and ensures safe operation in your kitchen.
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3. HiQltyla 20A 250V Microwave Fuse – Best Budget 20A 250V Ceramic Fuses for Microwave Ovens
HiQltyla 20A 250V Microwave Fuse
2 pieces per package
6x30mm ceramic cartridge
20 Amp current rating
Quartz sand inside
This HiQltyla fuse features a slow-blow design to keep your microwave working safely. It is made from high quality materials and passes safety certification standards. The package includes two fuses for a spare replacement.
Pros
- Slow-blow design for safety
- Made of high quality materials
- Passes CSA safety certification
- 1 year warranty included
- Quartz sand prevents arc
Cons
- Only 2 pieces included
- Verify specifications before purchase
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The ceramic tube is filled with quartz sand which prevents pulling the arc during fusing. This is safer than glass fuses which may lead to explosion in extreme cases. It offers a reliable solution for protecting your microwave circuitry.
While the warranty offers good peace of mind buyers should confirm the dimensions match their old fuse. The 6x30mm size is universal for most brands but verification is key. This is a practical choice for those needing a quick fix.
Consider this if you need a certified safe option without spending too much. The slow-blow design protects against circuit damage effectively. Always double check specifications before purchasing to ensure a perfect fit.
Quartz Sand for Arc Prevention
Quartz sand inside the tube prevents arc formation during failure. This reduces the risk of explosion and enhances safety compared to glass fuses.
Safety Certification for Peace of Mind
All electrical properties pass CSA safety certification. This ensures the product meets rigorous standards for reliability and safety in your home.
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4. BlueStars Upgraded 5-Pack WB27X10388 – 20A 250V Ceramic Fuses for Microwave Ovens
BlueStars Upgraded 5-Pack WB27X10388
5 pieces per package
6 x 30 mm size
20 Amp current rating
Lifetime protection warranty
This 5-pack offers a convenient supply for future needs and repairs. The slow-blow design prevents nuisance blowing while protecting against overheating. It is compatible with multiple brands including GE Whirlpool and Kenmore.
Pros
- 5-pack for future replacements
- Compatible with GE and Whirlpool
- High-purity Quartz Sand inside
- Wear-resistant ceramic tube body
- Lifetime protection guarantee
Cons
- Check size and part number carefully
- Verify compatibility before buying
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The ceramic tube body with end caps ensures sturdy and long-lasting construction. High-purity Quartz Sand inside maintains good insulation and prevents circuit reconnection. This design minimizes risk to the load during electrical faults.
Installation is easy with a 5-minute quick fix guide provided. However if the fuse keeps blowing it may indicate other faulty parts like the magnetron. Always disconnect power and wear gloves before starting any repair.
Buyers needing multiple fuses will appreciate the value and protection. The lifetime protection ensures coverage for defects or issues. Verify your part number to ensure a perfect match with your appliance.
Quartz Sand for Insulation
High-purity Quartz Sand inside ensures good insulation and prevents overcurrent breaking through. This maintains stability during operation and protects your microwave.
5-Pack Value for Future Needs
A 5-pack allows you to keep spares on hand for future repairs. This saves time and money compared to buying single units individually later.
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5. 5-Pack 20 amp Microwave Fuse 20a – 20A 250V Ceramic Fuses for Microwave Ovens
5-Pack 20 amp Microwave Fuse 20a
5 pieces per package
6×30 mm dimensions
20 Amp current rating
Universal replacement design
These slow-blow ceramic fuses are designed as direct replacements for most microwave models. They are compatible with major brands like GE Whirlpool and Kenmore. The 5-pack provides enough fuses for multiple uses.
Pros
- Universal replacement for most models
- Directly replaces WB27X10388
- Reliable safety device
- Durable ceramic construction
- Easy to install process
Cons
- Verify model compatibility first
- Check specifications carefully
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They act as a reliable safety device by disconnecting power during overheating or power surges. This protects your microwave's internal circuit and prevents further damage. The heavy-duty ceramic tube ensures long-lasting performance.
Installation is simple after turning off the power and removing the old fuse. The affordable price makes it a cost-effective way to restore your appliance. Always ensure the replacement matches your old fuse specifications.
Buyers looking for a versatile option should consider this universal choice. It saves service call fees by enabling DIY repair easily. Confirm your part number matches before completing the purchase.
Universal Fit for Many Brands
Compatible with GE Whirlpool and KitchenAid among others. This universal design simplifies finding the right fuse for different models.
Reliable Safety Protection
Blows quickly to disconnect power during overcurrent events. This protects your internal circuit from damage and ensures safe operation.
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6. Microwave Fuse 20 Amp 250V – 20A 250V Ceramic Fuses for Microwave Ovens
Microwave Fuse 20 Amp 250V
6 pieces per package
6mm x 32mm size
20 Amp current rating
Universal fit design
This fuse is the exact replacement needed for GE WB27X10388. It handles temporary high inrush current without tripping unnecessarily. The 6-pack provides a great value for DIYers and professionals.
Pros
- Direct replacement for GE part
- Handles temporary high inrush current
- High-quality ceramic material
- 6-pack for DIY and pros
- Easy DIY installation
Cons
- Verify old fuse rating first
- Check dimensions carefully
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Made from high-quality ceramic material it offers excellent heat resistance. This ensures stable operation and a long service life for your repair. The slow-blow design protects against sustained overload and short circuits.
Installation is a simple process that can be done in minutes at home. Just unplug the microwave locate the holder and swap the fuse. Always verify your old fuse rating before starting any work.
Those looking for peace of mind in their repair will appreciate this option. It saves on professional service call fees. Verify your model compatibility to ensure a proper fit before ordering.
Slow-Blow Design for Surge Handling
Engineered to handle high inrush current during startup. This prevents nuisance blowing while protecting against sustained overloads.
Ceramic Material for Heat Resistance
High-quality ceramic ensures excellent heat resistance and electrical insulation. This ensures stable operation and a long service life.
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7. (Pack of 10) 20 Amp 250V Microwave Fuse – 20A 250V Ceramic Fuses for Microwave Ovens
(Pack of 10) 20 Amp 250V Microwave Fuse
10 pieces per package
6x30mm dimensions
20 Amp current rating
Quartz sand filled
This pack includes 10 pieces of slow-blow ceramic fuses for versatile use. They are suitable for various electronic devices including microwave ovens. The body is made of ceramic tube alloy and brass.
Pros
- Suitable for various electronic devices
- 6x30mm universal size
- Ceramic tube body construction
- 10 pieces per package
- Slow Blow time delay
Cons
- Verify size before purchase
- Check model compatibility
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Each fuse is rated for 20 Amp and 250V with a 6x30mm size. The quartz sand filling ensures safety and reliability during operation. This design helps prevent overheating and short circuits effectively.
While it is a good value the user should ensure compatibility with their model. It is a universal replacement for many brands but verification is needed. The packaging makes it easy to store and use as needed.
Buyers needing multiple spares for future repairs should consider this option. It offers a practical solution for protecting your microwave circuit. Check your model requirements before ordering to ensure a perfect fit.
Versatile Fit for Multiple Devices
Suitable for various kinds of electronic devices needing protection. This versatility makes it a great choice for broader appliance needs.
Ceramic and Alloy Construction
Constructed with ceramic tube and nickel plated brass for durability. This ensures reliable performance during operation.
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8. BOJACK Microwave Fuse 20AL250V – 20A 250V Ceramic Fuses for Microwave Ovens
BOJACK Microwave Fuse 20AL250V
20 pieces per package
6×30 mm dimensions
20 Amp current rating
Plastic storage case
This pack includes 20 pieces of high quality slow-blow ceramic fuses. The time delay design ensures reliability during power surges. It is a great choice for bulk replacement needs.
Pros
- 20 Pcs high quality fuses
- Slow-blow ceramic material
- Dimensions 6×30 mm
- Plastic storage case included
- Compatible with universal replacements
Cons
- Verify size and voltage before buying
- Check current rating matches
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The dimensions are 6×30 mm which fits most standard microwave models. Packed in a plastic storage case it ensures easy organization and storage. This protects the fuses from damage and keeps them ready for use.
While it offers excellent value always verify the voltage and current before purchase. The 20 Amp and 250V rating is standard for microwaves. It is a practical solution for those wanting spares for future repairs.
Buyers seeking reliability and organization will find this pack convenient. The storage case keeps fuses accessible and safe. Confirm your model compatibility to ensure a perfect fit.
Slow-BLOW Design for Reliability
The slow-blow ceramic design ensures reliability during power surges. This protects your microwave while preventing nuisance tripping.
Storage Case for Organization
Packed in a plastic storage case for easy organization. This keeps fuses safe and accessible when you need them.
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9. Litoexpe 20-Pack 20A 250V – 20A 250V Ceramic Fuses for Microwave Ovens
Litoexpe 20-Pack 20A 250V
20 pieces per package
6 x 30mm size
20 Amp current rating
Carrying case included
This pack includes 20 slow-blow time delay fuses with a carrying case. The ceramic construction prevents arc flashover and reduces bursting risk. It is a great replacement for high amperage loads.
Pros
- Ceramic body filled with sand
- Prevents arc flashover risk
- Great replacement for microwave ovens
- 30-day return service
- High amperage suitable
Cons
- Check size and voltage before order
- Verify compatibility carefully
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It prevents hot metal spray from being projected during severe overload. This greatly reduces the chances of an overload causing fire in your home. The package includes 20 units for ample supply.
While it is a high amperage fuse buyers should confirm size and voltage. The 6 x 30mm size is standard but verification is necessary. The 30-day return service adds confidence to the purchase.
Buyers looking for safety and bulk value should consider this option. The carrying case helps with storage and transport. Always verify your specific requirements before completing the order.
Ceramic Safety Construction
Ceramic construction prevents arc flashover and reduces risk of bursting. This ensures safer operation compared to glass body fuses.
Suitable for High Amperage Loads
Great for high amperage and high power loads. This makes it ideal for microwave ovens and heavy duty applications.
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10. (Pack of 5) Microwave Replacement Fuse – 20A 250V Ceramic Fuses for Microwave Ovens
(Pack of 5) Microwave Replacement Fuse
5 pieces per package
Ceramic line fuse
20 Amp current rating
Replaces OEM part numbers
This 5-pack is a universal replacement for WB27X10388 and other microwaves. It meets OEM standards and is guaranteed to exceed OEM requirements. The ceramic line fuse ensures reliable performance during operation.
Pros
- Compatible and universal replacement
- Replaces part number WB27X10388
- Exceeds OEM requirements
- In stock and ships fast
- Ceramic line fuse
Cons
- Verify model compatibility first
- Check specifications before buying
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It replaces numerous part numbers for wide compatibility across brands. The fast shipping ensures quick delivery for your urgent repairs. This is a practical choice for restoring functionality to your appliance.
While the compatibility is broad always check the specific model number first. The 20 Amp and 250V rating is standard for most microwaves. This offers a cost effective solution for maintaining your kitchen appliance.
Buyers seeking a fast and reliable replacement should consider this option. It is in stock and ships quickly. Verify your part number to ensure a perfect match.
Universal Replacement Compatibility
Compatible and universal replacement for WB27X10388 and others. This reduces search time for finding the right replacement fuse.
OEM Standard Exceeding Quality
Fits OEM standards and guaranteed to exceed OEM requirements. This ensures high quality performance in your microwave.
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Buying Guide – How to Choose the Best 20A 250V Ceramic Fuses for Microwave Ovens
Choosing the right ceramic fuse requires attention to specifications and compatibility to ensure safety and proper function.
Voltage and Current Rating
Ensure the fuse matches your microwave's original specifications exactly. A 20A 250V rating is standard for most models but verify before buying.
Mismatched ratings can cause safety hazards or improper operation of your appliance.
Fuse Type
Select a slow-blow or time-delay fuse designed for microwaves. This type handles the initial power surge without blowing unnecessarily.
A standard fast-blow fuse may fail too quickly during normal startup.
Dimensions and Size
Measure the old fuse or check the manual for exact dimensions. Standard sizes like 6x30mm are common but small variations exist.
Incorrect size can prevent the fuse from fitting properly into the holder.
Compatibility with Brand
Check if the fuse is compatible with your specific brand like GE or Whirlpool. Many products list part numbers such as WB27X10388.
Universal replacements save time but verify the part number to ensure a fit.
Material Quality
Look for ceramic fuses filled with quartz sand for safety. This prevents glass fragments from scattering during failure.
High quality materials ensure long service life and reliable protection.
Packaging Quantity
Consider buying a bulk pack if you anticipate needing spares for future repairs. A 5 or 20 pack often offers better value than single units.
Having extras on hand reduces future wait times for replacements.
Certifications and Safety
Look for products that have passed safety certifications like CSA. This ensures the fuse meets industry standards for performance.
Safety certifications give confidence in the product reliability.
Warranty and Support
Check if the product includes a warranty or return policy. Many sellers offer guarantees to protect against defects.
A good warranty adds peace of mind to your purchase.
How to Use and Care for Your 20A 250V Ceramic Fuses for Microwave Ovens
Always unplug the microwave from the power outlet before attempting any repair. This prevents accidental electric shock while handling internal components. Use a screwdriver to open the access panel near the power cord.
Locate the fuse holder and remove the old blown fuse carefully. Note the position of the fuse to ensure proper installation orientation. Install the new fuse by aligning it with the holder contacts.
Close the access panel securely before plugging the microwave back in. Test the appliance to ensure it heats properly. If the new fuse blows again, consult a professional for further diagnosis.
Frequently Asked Questions
How do I know if my microwave fuse is blown?
Check the fuse visually for a broken metal wire or darkened glass. If your microwave does not start or heat, a blown fuse is a common cause. Testing with a multimeter can also confirm continuity in the circuit.
Can I use a standard fuse instead of a slow-blow fuse?
No, you should not substitute a standard fuse for a slow-blow fuse. Microwaves draw a high initial current which may blow a standard fuse. This can lead to nuisance tripping and unreliable performance.
Is it safe to replace the fuse myself?
Yes, it is safe if you follow proper precautions like unplugging the appliance. Always disconnect power before touching any internal components. If you are unsure, consult a professional technician to avoid injury.
Why does my new fuse blow immediately?
This often indicates a deeper issue like a faulty magnetron or wiring. It could also mean the fuse type is incorrect for your model. Consult a repair manual to diagnose further problems.
Are these fuses compatible with all microwave brands?
Most are universal replacements for common brands like GE or Whirlpool. However, always check the specific part number and dimensions. Not every model uses the same 20A 250V rating.
What is the difference between ceramic and glass fuses?
Ceramic fuses are safer because they resist arc formation and contain shards. They are preferred for high current appliances like microwaves. Glass fuses may explode or shatter under heavy load.
How long does a microwave fuse typically last?
A properly rated fuse can last the life of your appliance under normal conditions. It usually only blows due to an electrical fault or surge. Regular maintenance reduces the risk of premature failure.
Do I need to buy more than one fuse?
Buying a multi-pack offers value and ensures you have a spare for future needs. It can save time and money if another issue arises later. However, a single fuse may suffice for a one-time repair.
Final Thoughts on Choosing the Best 20A 250V Ceramic Fuses for Microwave Ovens
In this guide we reviewed ten top-rated ceramic fuses suitable for microwave ovens. Each product offers reliable protection against electrical faults and power surges. Selecting the right fit ensures your microwave operates safely for years.
Prioritize the slow-blow design and proper dimensions when making your choice. Verify compatibility with your model's part number to avoid installation issues. The right fuse can restore your appliance efficiently and safely.
Prices and availability change frequently so check current listings before ordering. Always prioritize safety by unplugging the appliance before any DIY repairs. With the right fuse you can keep your kitchen appliances in optimal condition.