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MERSEN FUSE 400V FA 1 A 5.20 MI5FA40V1
Mersen F093270 MI5FA40V1 high-speed 5 x 20 mm semiconductor fuse rated at 1 A and 400 V AC with ceramic cartridge construction.
£2.68
Why Choose the Mersen F093270 High-Speed Miniature Fuse?
The Mersen F093270, catalogue reference MI5FA40V1, is a high-speed miniature semiconductor fuse engineered to provide rapid protection for sensitive semiconductor devices, power electronics and industrial control circuits against overcurrents and short circuits. It belongs to Mersen's 5 × 20 mm FA 400 V fuse series, designed for demanding industrial and electronic applications requiring ultra-fast fault interruption.
With a rated current of 1 A and a rated voltage of 400 V AC, the F093270 is ideal for instrumentation, industrial automation, electronic power supplies and semiconductor equipment. Its very fast-acting FA characteristic helps minimise the energy released during fault conditions, protecting valuable electronic components from thermal and electrical damage.
Manufactured in a 5 × 20 mm ceramic cartridge format with ferrule end caps, the fuse is intended for installation in compatible clip-mounted fuse holders. Its compact design, ceramic construction and high breaking capacity make it suitable for demanding industrial environments where dependable protection is essential.
Key Advantages
- High-speed semiconductor protection fuse.
- 1 A rated current for precision electronic protection.
- 400 V AC rated voltage.
- Very fast-acting FA characteristic provides rapid fault interruption.
- Compact 5 × 20 mm miniature fuse.
- Ceramic body with ferrule end caps.
- 200 kA breaking capacity for dependable fault protection.
- Suitable for semiconductor and industrial electronic equipment.
Key Features
- Mersen 5 × 20 mm FA 400 V fuse series.
- 1 A rated current.
- 400 V AC rated voltage.
- Very fast-acting FA operating characteristic.
- Ceramic cartridge construction.
- Ferrule end caps for clip mounting.
- Designed specifically for semiconductor protection.
- 200 kA breaking capacity.
- UL recognised and RoHS compliant.
Rapid Protection for Sensitive Electronic Equipment
High-speed semiconductor fuses are specifically designed to disconnect fault currents before they can damage semiconductors, power electronic devices and sensitive control circuits. Their ultra-fast operating characteristics reduce thermal stress, helping improve equipment reliability and minimise downtime.
The Mersen F093270 combines compact dimensions with a very high interrupting capacity, making it suitable for industrial automation equipment, instrumentation, electronic power supplies and semiconductor systems requiring dependable overcurrent protection.
Typical Applications
- Semiconductor device protection.
- Industrial automation systems.
- Electronic power supplies.
- Instrumentation and measurement equipment.
- Industrial control panels.
- Power electronic assemblies.
- Electronic manufacturing equipment.
- Sensitive electronic circuits.
Technical Specifications
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| Current | 1 A | |
|---|---|---|
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Item number | F093270 | |
| Catalogue number | MI5FA40V1 | |
| Product type | Miniature semiconductor protection fuse | |
| Series | 5 × 20 FA 400 V | |
| Rated current | 1 A | |
| Rated voltage | 400 V AC | |
| Operating characteristic | High speed / Very fast acting (FA) | |
| Breaking capacity | 200 kA | |
| Pre-arcing I²t | 0.11 A²s | |
| Total clearing I²t | 0.45 A²s | |
| Fuse size | 5 × 20 mm | |
| Connection type | Ferrule ends | |
| Mounting type | Clip mounting | |
| Body material | Ceramic | |
| Standards | IEC, UL recognised |
Frequently Asked Questions
What is the Mersen F093270 used for?
The Mersen F093270 protects semiconductor devices, electronic circuits and industrial control equipment against damaging overcurrents and short circuits.
What is the current rating of the Mersen F093270?
The fuse has a rated current of 1 A.
What voltage is the F093270 rated for?
The Mersen F093270 is rated for 400 V AC.
Is the Mersen F093270 a fast-acting fuse?
Yes. It features a very fast-acting FA characteristic specifically developed for semiconductor protection.
How is the Mersen F093270 installed?
The fuse has ferrule end caps and is designed for installation into a compatible 5 × 20 mm clip-mounted fuse holder.
Trusted Electrical Protection from Mersen
Mersen miniature semiconductor fuses are trusted worldwide by automation engineers, panel builders and equipment manufacturers for dependable protection of sensitive electronic and semiconductor systems.
