Description
Product Overview
The Upvivi High Quality Fast Blow Glass Fuse Assortment Kit provides a versatile selection of cartridge fuses in two standard sizes: 5x20mm and 6x30mm. Each fuse features a clear glass tube body for easy visual inspection and a nickel‑plated brass cap that ensures secure, low‑resistance connections. Rated at 250V, the kit covers current ratings from 0.5A to 20A, delivering precise overload, short‑circuit, and riot protection for a wide range of electrical applications. The compact packaging measures 7.44 x 5.12 x 0.75 inches and weighs just 7.83 ounces, making storage and transport effortless.
Usage
Designed for both professional electricians and DIY enthusiasts, these fast‑blow fuses are perfect for protecting lighting circuits, motor controls, power supplies, and household appliances. Whether you are wiring a new home, repairing industrial equipment, or building a custom project board, the clear glass construction allows you to quickly identify a blown fuse and replace it without guesswork. 
Why Choose Us
Upvivi stands out for its commitment to quality and safety. Each fuse undergoes rigorous testing to meet international standards, ensuring consistent performance under fault conditions. The nickel‑plated brass caps provide superior corrosion resistance, extending the service life even in humid or harsh environments. With a 4.5‑star rating from 97 verified customers, this kit has proven reliability and user satisfaction.
Key Features
- Wide current range (0.5A‑20A) in both 5x20mm and 6x30mm sizes
- Fast‑blow response for immediate overload and short‑circuit protection
- Clear glass body for easy visual inspection of fuse status
- Nickel‑plated brass caps ensure low resistance and corrosion resistance
- Compact, lightweight packaging for convenient storage and transport
FAQ
What does “fast blow” mean?
Fast‑blow fuses react quickly to overcurrent conditions, opening the circuit almost instantly to protect sensitive components.
Can I use these fuses in a 120V residential circuit?
Yes, the fuses are rated for up to 250V, making them suitable for standard 120V and 240V residential applications.
How do I identify a blown fuse?
The glass tube will appear darkened or have a visible break in the filament, allowing quick visual confirmation.
Are the fuses reusable?
No, once a fuse has operated and opened, it must be replaced with a new unit of the same rating.
What warranty does Upvivi offer?
Upvivi provides a one‑year limited warranty covering manufacturing defects for added peace of mind.
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