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MERSEN FUSE 250V 5SF 5A 5.20 MI5SF25V5
Mersen T090522 5A fast acting 5 x 20 mm glass cartridge fuse rated at 250 V AC for reliable overcurrent protection in industrial and electronic applications.
Why Choose the Mersen T090522 Glass Cartridge Fuse?
The Mersen T090522 is a high-quality 5A fast-acting glass cartridge fuse designed to provide dependable overcurrent protection for electrical and electronic equipment. Manufactured by Mersen, a globally recognised leader in circuit protection solutions, this miniature fuse helps safeguard sensitive components against overloads and short circuits while maintaining reliable system performance.
Designed to IEC standards, the T090522 features a 5 × 20 mm glass body and a 250 V AC rating, making it suitable for a wide range of industrial controls, instrumentation, consumer electronics and power supplies. Its fast-acting characteristic allows rapid disconnection during fault conditions, helping minimise damage to protected equipment.
The transparent glass construction enables quick visual inspection after operation, while the compact dimensions allow straightforward installation into compatible fuse holders and equipment designed for 5 × 20 mm miniature fuses.
Key Advantages
- Fast-acting fuse provides rapid protection against overloads and short circuits.
- 5 A current rating for reliable circuit protection.
- 250 V AC voltage rating for a wide range of electrical applications.
- Standard 5 × 20 mm miniature glass cartridge format.
- Transparent glass body allows quick visual inspection.
- Manufactured by trusted circuit protection specialist Mersen.
Key Features
- Mersen IEC Miniature Fuse Series.
- Fast-acting (5SF) operating characteristic.
- 5 A rated current.
- 250 V AC rated voltage.
- 5 × 20 mm glass cartridge construction.
- Low breaking capacity design.
- Suitable for use with compatible miniature fuse holders.
- Manufactured to IEC 127-2 requirements.
Reliable Protection for Electrical and Electronic Equipment
Fast-acting cartridge fuses disconnect power almost instantly when excessive current is detected, helping protect sensitive electronic components from damage caused by short circuits or overload conditions. Their compact size makes them ideal for modern electrical and electronic equipment where dependable circuit protection is essential.
The Mersen T090522 is suitable for installation in compatible fuse holders within industrial control panels, instrumentation, consumer electronics, power supplies and other electrical equipment requiring reliable overcurrent protection.
Typical Applications
- Industrial control panels.
- Power supplies and power distribution equipment.
- Electronic control systems.
- Instrumentation and measuring equipment.
- Consumer electronic devices.
- OEM electrical equipment.
Technical Specifications
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| Current | 5 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | IEC Miniature Fuses | |
| Model | T090522 | |
| Product type | Glass cartridge fuse | |
| Current rating | 5 A | |
| Voltage rating | 250 V AC | |
| Fuse characteristic | Fast Acting (5SF) | |
| Fuse size | 5 × 20 mm | |
| Body material | Glass | |
| Diameter | 5 mm | |
| Length | 20 mm | |
| Standards | IEC 127-2 | |
| Approvals | VDE, UL, SA |
Frequently Asked Questions
What is the Mersen T090522 used for?
It provides fast-acting overcurrent protection for electrical and electronic circuits, helping protect equipment against overloads and short circuits.
What is the current rating of this fuse?
The Mersen T090522 has a 5 A current rating.
What voltage is this fuse rated for?
This fuse is rated for operation up to 250 V AC.
What size is the fuse?
It uses the industry standard 5 × 20 mm miniature glass cartridge format.
Is this a fast-acting or time-delay fuse?
The T090522 is a fast-acting (5SF) glass cartridge fuse designed to disconnect quickly during fault conditions.
Trusted by Electrical Professionals Worldwide
Mersen miniature cartridge fuses are widely specified by panel builders, maintenance engineers and OEM manufacturers for dependable circuit protection across industrial and commercial electrical applications.
