# Buy Glass fuse 5x20mm 4A at Autoservice ## Glass fuse 5x20mm 4A (5 pieces) Electrical / Fuses / Glass fuses Reliable 4A glass fuses of 5x20mm for optimal protection of your electronic devices. ## Prices and stock - **SIN-BL-SF4004**: € 4,62 incl. VAT — 2 in stock ## Order URL [Glass fuse 5x20mm 4A (5 pieces)](https://www.auto-service.be/en/electrical/fuses/glass-fuses/glass-fuse-5x20mm-4a-5pcs) ## Alternate URLs - **nl**: [Glass fuse 5x20mm 4A (5 pieces)](https://www.auto-service.be/nl/elektro/zekeringen/glas-zekeringen/glaszekering-5x20mm-4a-5st) - **fr**: [Glass fuse 5x20mm 4A (5 pieces)](https://www.auto-service.be/fr/electrique/fusibles/fusibles-en-verre/fusible-en-verre-5x20mm-4a-5pc) - **en**: [Glass fuse 5x20mm 4A (5 pieces)](https://www.auto-service.be/en/electrical/fuses/glass-fuses/glass-fuse-5x20mm-4a-5pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/10624/conversions/glaszekering-5x20mm-4a-5st-12054-optimized.jpg) ## Specifications - **Reference**: SIN-BL-SF4004 - **Materiaal**: Glas + Nikkel Kap - **Diameter ⌀**: 5 mm - **Lengte (product)**: 20 mm - **Voltage**: 250V - **Amperage**: 4A - **Aantal in verpakking**: 5 - **ADR Classificatie**: Geen ADR Classificatie - **Material**: Glass + Nickel Cap - **Length (product)**: 20 mm - **amperage**: 4A - **Quantity in packaging unit**: 5 - **ADR Classification**: No ADR Classification ## Product description ### Reliable protection for your electronics These 5x20mm glass fuses with a rated current of 4A provide effective protection against short circuits and overloads. They are designed to interrupt the circuit when the current exceeds the safe limit, keeping your devices protected from damage. ### Suitable for various applications Thanks to the standard dimensions of 5x20mm, these fuses fit a wide range of electronic devices and systems. Whether it's household appliances, industrial equipment, or other electronic applications, these fuses ensure reliable operation. ### Slow-blow or fast-acting fuses Depending on your specific needs, these glass fuses are available in both slow-blow (T) and fast-acting (F) variants: - **Slow-blow (T):** Suitable for devices with a high inrush current, such as motors or transformers. These fuses can withstand short current spikes without blowing immediately. - **Fast-acting (F):** Ideal for sensitive electronic equipment that requires immediate protection against current surges. ### High-quality materials for durability These fuses are made from high-quality glass and metal, ensuring a long lifespan and reliable performance. They withstand daily wear and continue to function consistently, even under demanding conditions. ### Easy installation and replacement Replacing these glass fuses is simple and requires no special tools. Simply place the fuse in your device's holder and you're ready to go. This makes maintaining your electronic systems quick and hassle-free. ### Important specifications - **Type:** Glass fuse - **Dimensions:** 5x20mm - **Rated current:** 4A - **Maximum voltage:** 250V - **Characteristic:** Slow-blow (T) or Fast-acting (F) - **Quantity in package:** 5 pieces ### Frequently asked questions - **What does 'Slow-blow (T)' mean for this fuse?** 'Slow-blow' means the fuse can withstand a higher current for a short time before blowing, which is useful for devices with a high inrush current. - **Are these fuses reusable?** No, glass fuses are designed for single use. Once they blow, they need to be replaced. - **Can I use these fuses in my car?** These fuses are mainly intended for household and electronic devices. There are specific fuses available for cars. With these 5x20mm 4A glass fuses, you ensure reliable protection of your electronic devices against overload and short circuit. ## Breadcrumbs - [Electrical](https://www.auto-service.be/en/electrical) - [Fuses](https://www.auto-service.be/en/electrical/fuses) - [Glass fuses](https://www.auto-service.be/en/electrical/fuses/glass-fuses) ## Related products - [Glass fuse 5x20mm 15A slow-blow (5 pieces)](https://www.auto-service.be/en/electrical/fuses/glass-fuses/glass-fuse-5x20mm-15a-5pcs) - [Glass fuse 5x20mm 315mA slow blow (5 pieces)](https://www.auto-service.be/en/electrical/fuses/glass-fuses/glass-cover-5-x-20-mm-315-ma-5pcs) - [Glass fuse 5x20mm 15A slow-blow characteristic](https://www.auto-service.be/en/electrical/fuses/glass-fuses/glass-fuse-5x20mm-15a-25pcs) - [Glass fuse 5x20mm 100 mA for reliable overload protection](https://www.auto-service.be/en/electrical/fuses/glass-fuses/glass-cover-5-x-20-mm-100-ma-25pcs) - [Glass fuse 6.35 x 32 mm 6.3 A fast (5 pieces)](https://www.auto-service.be/en/electrical/fuses/glass-fuses/glass-fuse-635x32mm-63a-5pcs) ## Webshop catalogue - 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