These fast-acting ceramic tube fuses are designed with a low breaking capacity, providing essentia...These fast-acting ceramic tube fuses are designed with a low breaking capacity, providing essential protection for electrical circuits against overloads and short circuits. Each fuse is rated for 500V and 4A, featuring a compact 6x30mm physical dimension suitable for various semiconductor and circuit protection applications. Ensure all power is disconnected before replacement and verify that the voltage, current, and physical dimensions match your original requirements before purchase. This pack includes 10 individual fuses, ideal for maintaining electronic devices and general circuit safety. Professional knowledge is recommended for proper installation and usage.
The Uxcell 500V 4A ceramic tube fuse is designed for electronic technicians, DIY enthusiasts, and repair professionals who require reliable circuit protection against overloads and short circuits. This component provides the essential benefit of preventing catastrophic failure in sensitive electronic hardware, though it is intended specifically for those with the technical knowledge to safely identify and install correct fuse specifications.
All features
Brand
Uxcell
Extended Product Information
FAQs
Can I use a glass fuse instead of ceramic?
Generally no, as ceramic fuses have a higher breaking capacity and can handle more intense thermal energy during a short circuit than glass.
What does 500V mean in this context?
The 500V rating indicates the maximum voltage the fuse can safely interrupt when it blows; it does not mean the circuit must run at 500V.
How do I know if the fuse is blown?
Unlike glass fuses, you cannot see inside. Use a multimeter set to continuity mode to check if the fuse creates a closed loop.
Is this a slow-blow or fast-acting fuse?
This model is a fast-acting fuse, designed to react quickly to overcurrent events.
What should I do if I am not sure about the rating?
Always consult the service manual or the markings printed on the circuit board near the fuse holder. Never substitute with an incorrect amperage.
Troubleshooting
Fuse blows immediately upon power-on
This indicates a hard short circuit still present in your device; investigate the load or power circuitry for damaged components.
Fuse does not fit in the holder
Verify that your hardware requires a 6x30mm fuse; some older devices utilize 5x20mm fuses which are not interchangeable.
Fuse is loose in the clip
Gently tighten the tension on the fuse clips with insulated pliers to ensure a solid electrical connection.
Pros and Cons
Pros
High heat resistance due to ceramic construction
Fast-acting protection for sensitive electronics
Standard 6x30mm form factor fits many existing holders
Cost-effective multipack for frequent repairs
Cons
Requires professional knowledge for safe installation
Physical size must be strictly verified before use
Not suitable for high-inrush current applications where slow-blow fuses are needed
Setup, Compatibility & Care
Power Off: Always disconnect the device from its primary power source before opening the chassis or touching fuse holders.
Verification: Confirm that the existing fuse has the same physical dimensions (6x30mm) and electrical ratings (500V/4A) as the replacement. Using an incorrect rating can lead to fire hazards or equipment damage.
Installation: Use appropriate insulated tools to insert the fuse into the clip or holder. Avoid applying excessive pressure to the ceramic body to prevent cracking.
Storage: Keep unused fuses in their original packaging in a cool, dry environment to prevent corrosion of the metal end caps.