Fast Fuse 20A, Glass, Fusible, Size 6x30mm, 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) |
20A fast-acting fuse for electrical circuit protection
Set of 100 glass fuses, 6x30mm, 20A, ideal for protecting electronic and household appliances. Compatible with power supplies, stabilizers, transformers, and industrial equipment. An economical solution for large-scale maintenance and repairs.
What you get with this product
- Complete set of 100 pieces — sufficient stock for multiple repairs or commercial installations
- Instant overload protection — the fast-acting fuse immediately breaks the circuit when the rated current is exceeded
- Universal compatibility — standard 6x30mm size, fits into any industrial or domestic fuse holder
- Immediate fault visibility — transparent glass tube allows for quick inspection of a blown filament
- Excellent price-quantity ratio — ideal for repair shops, production units, or frequent users
- Durable construction — nickel-plated metal caps and heat-resistant glass tube
How it works and how to install
A fast-acting fuse works by melting an internal metallic filament when the current exceeds 20A, instantly breaking the electrical circuit and protecting the connected device. Installation is simple: disconnect the power, remove the blown fuse from the fuse holder, insert the new fuse respecting polarity, and reconnect the circuit. Commonly used in fuse boxes, electrical panels, power supplies, and various electronic devices.
Frequently asked questions
What does a fast-acting fuse mean and when is it used?
A fast-acting fuse reacts instantly when the nominal current is exceeded, making it ideal for circuits with sensitive loads such as electronic devices, power supplies, or transformers that cannot tolerate prolonged overloads.
Can I use these 20A fuses with any appliance?
No. The fuse must match the amperage specified by the appliance manufacturer. Using the wrong amperage can lead to equipment damage or a lack of effective protection.
Why does the fuse blow repeatedly?
Frequent blowing indicates a problem in the circuit: short circuit, permanent overload, or faulty appliance. You need to identify and resolve the technical cause before replacing the fuse.
Technical specifications
| Product type | Fast-acting fuse |
| Rated current | 20A |
| Rated voltage | 250V |
| Dimensions | 6 x 30 mm |
| Tube material | Transparent glass |
| Cap material | Nickel-plated metal |
| Action type | Fast (F) |
| Set quantity | 100 pieces |
| Application area | Industrial, commercial, domestic |
| Typical applications | Power supplies, stabilizers, transformers, electronic devices |
Warranty and support
The product benefits from a 24-month warranty in accordance with current legislation. 30-day return policy. Fast delivery by national courier throughout Romania.
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