Fast-Acting Fuse 4A, Glass, Meltable, Size 6x30mm, Set of 100 pcs
Out of stock
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Estimated delivery: 08 Jun - 12 Jun
Fast-blow 4A 250V Fuse for Electrical Circuit Protection
Set of 100 fast-blow glass fuses, ideal for protecting electrical and electronic equipment against overloads. Standard size 6x30mm, compatible with most household and industrial devices requiring 4A protection. A professional solution for preventive maintenance or spare parts.
What you get with this product
- Complete stock for service or personal use — 100 pieces at a great price, enough for years
- Fast circuit protection — acts instantly when the 4A threshold is exceeded, preventing equipment damage
- Universal compatibility — standard 6x30mm size, fits all classic fuse holders
- Clear status visibility — transparent glass tube allows quick inspection if the fuse is blown
- Industrial quality — durable metal caps, robust construction for repeated use in various conditions
- Multiple uses — suitable for power supplies, stabilizers, audio-video devices, transformers, automation systems
How it works and how to install it
The fast-blow fuse interrupts the electrical circuit as soon as the current exceeds 4A, protecting sensitive components from overload. Installation is simple: disconnect the power, remove the blown fuse from its holder, and replace it with a new one of the same amperage. The glass tube immediately shows you if the internal wire has melted, and the standard 6x30mm size ensures it fits into any classic fuse port.
Frequently Asked Questions
What type of devices is the 4A fuse suitable for?
Ideal for power supplies, audio-video devices, small transformers, home automation equipment, and other devices that consume up to 4 amps at 250V.
How fast does a fast-blow fuse trip?
A fast-blow fuse acts within milliseconds when the rated current is exceeded, providing instant protection compared to time-delay types.
How do I know if the fuse has blown?
The transparent glass tube allows visual inspection of the internal wire — if it is broken or blackened, the fuse needs to be replaced.
Technical specifications
| Product type | Fast-blow fuse |
| Rated amperage | 4A |
| Maximum voltage | 250V |
| Dimensions | 6 x 30 mm |
| Body material | Transparent glass tube |
| End cap material | Metal |
| Tripping type | Fast-blow |
| Set quantity | 100 pieces |
| EAN | 0781499710242 |
Warranty and support
The product benefits from a 24-month warranty in accordance with current Romanian legislation. 30-day return policy from order receipt. Fast national courier delivery throughout Romania.
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Specificații
Specificații
Detalii produs
Detalii produs
Designed with care and crafted from premium materials, our products combine durability, comfort, and timeless style. Each piece is thoughtfully made to enhance your living space, offering a perfect balance of functionality and elegance that complements any home and suits your unique lifestyle.
Materials & Care
Materials & Care
Carefully crafted from durable, sustainable materials, each piece is designed for long-lasting use and timeless style. For proper care, wipe gently with a soft, damp cloth to remove dust and dirt. Avoid using harsh chemicals, abrasive cleaners, or excessive moisture to protect the finish and maintain its pristine look.
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