Fast Blow Fuse 3A, Glass, Fusible, Size 5x20mm, Set of 100 pcs
Available in stock
| Quantity | Price per unit | You save |
|---|---|---|
| 1–2 pcs | 25,99 lei | — |
| 3–4 pcs | 24,69 lei | 5% (−1,30 lei/unit) |
| 5–10 pcs | 23,39 lei | 10% (−2,60 lei/unit) |
| 11+ pcs | 22,09 lei | 15% (−3,90 lei/unit) |
3A Fast-Blow Fuse for Electrical Circuit Protection
The package contains 100 fast-blow glass fuses, standard 5x20mm size, ideal for protecting electronic and electrical devices from overloads. Frequently used in power supplies, televisions, audio equipment, and other devices requiring fast circuit protection at 250V and 3A.
What you get with this product
- Generous stock of 100 pieces — enough for long-term maintenance and multiple replacements
- Fast circuit protection — immediately cuts power upon detecting an overload, preventing equipment damage
- Universal 5x20mm size — compatible with most standard fuse holders in household and industrial appliances
- Transparent glass tube — allows instant visual inspection to check the filament's condition
- Wide applicability — backup solution for power supplies, stabilizers, televisions, amplifiers, and transformers
- Excellent value for money — reduced maintenance costs due to the bulk package
How it works and how to install
The fast-blow fuse contains a metallic filament that melts instantly when the nominal current of 3A is exceeded, interrupting the electrical circuit. Replacement is simple: disconnect the power supply, remove the blown fuse from the holder, check the cause of the failure, then insert the new fuse respecting the same amperage value. No special tools are needed — the process takes less than a minute.
Frequently asked questions
Can I use a 3A fuse instead of a 5A one?
It is not recommended. Always use the fuse with the amperage specified by the device manufacturer. A smaller value will blow frequently, a larger one will not properly protect the circuit.
How do I know if the fuse is blown?
The transparent glass tube allows visual inspection — if the metallic filament inside is broken or thickened, the fuse is blown and needs to be replaced.
What devices can I use these fuses with?
They are compatible with any device that uses 5x20mm fuses at 3A and 250V: laptop power supplies, active speakers, televisions, radios, voltage stabilizers, measuring equipment.
Technical specifications
| Product type | Fast-blow fuse |
| Rated current | 3 A |
| Maximum voltage | 250 V |
| Dimensions | 5 x 20 mm (diameter x length) |
| Tube material | Transparent glass |
| End cap material | Nickel metal |
| Action type | Fast-Blow |
| Package quantity | 100 pieces |
| EAN | 0781499710297 |
Warranty and support
The product benefits from a 24-month warranty according to current Romanian legislation. 30-day return policy from order receipt. Fast delivery via national courier with SMS and email confirmation.
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