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MERSEN FUSE 250V FA 4 A 6.32 R084310
Mersen R084310 MI6FA25V4 high-speed semiconductor miniature fuse rated at 4 A and 250 V AC with a 6.3 x 32 mm ceramic body and FA very fast-acting characteristic.
£2.37
Why Choose the Mersen R084310 High-Speed Semiconductor Fuse?
The Mersen R084310, catalogue reference MI6FA25V4, is a high-speed ceramic miniature fuse designed to provide rapid protection for sensitive semiconductor devices and electronic equipment against overloads and short circuits. As part of the Mersen 6.3 × 32 mm FA semiconductor fuse series, it delivers dependable protection for industrial automation, measuring equipment and power electronic applications where fast fault interruption is essential.
Its FA very fast-acting characteristic helps minimise the thermal and electrical energy transferred during fault conditions, protecting semiconductors such as diodes, thyristors, IGBTs, MOSFETs and rectifiers. The ceramic construction and exceptionally high breaking capacity provide reliable performance in demanding industrial environments.
With a rated current of 4 A and a rated voltage of 250 V AC, the R084310 is suitable for protecting compact electronic circuits and industrial control systems. Its standard 6.3 × 32 mm clip-mounted format allows straightforward installation into compatible fuse holders.
Key Advantages
- Very fast-acting FA semiconductor protection fuse.
- 4 A rated current for industrial electronic circuits.
- 250 V AC rated voltage.
- Compact 6.3 × 32 mm ceramic cartridge.
- 200 kA breaking capacity for outstanding fault interruption.
- Designed for semiconductor devices, instrumentation and industrial automation equipment.
Key Features
- Mersen MI6FA25V4 miniature semiconductor fuse.
- 4 A rated current.
- 250 V AC rated voltage.
- FA very fast-acting characteristic.
- 6.3 × 32 mm ceramic body.
- Clip mounting.
- 200 kA breaking capacity.
- UL recognised and RoHS compliant.
Reliable Protection for Sensitive Electronic Equipment
Semiconductor components require extremely rapid protection because they can be permanently damaged by even short-duration fault currents. The Mersen R084310 is engineered to interrupt excessive current quickly, helping minimise thermal stress and improve the reliability of converters, drives, power supplies and industrial electronic equipment.
Its compact ceramic construction, high breaking capacity and standard 6.3 × 32 mm dimensions make it suitable for industrial automation systems, measuring instruments, power conversion equipment and other electronic installations requiring dependable high-speed circuit protection.
Typical Applications
- Semiconductor protection.
- Industrial automation equipment.
- Electronic power supplies.
- Power converters and rectifiers.
- Instrumentation and measuring equipment.
- Industrial control systems.
Technical Specifications
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| Current | 4 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 6.3x32 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | Semiconductor Miniature Fuses Size 6.3 × 32 FA 125 V to 250 V | |
| Model | R084310 | |
| Catalogue number | MI6FA25V4 | |
| Product type | High-speed semiconductor miniature fuse | |
| Rated current | 4 A | |
| Rated voltage | 250 V AC | |
| Fuse size | 6.3 × 32 mm | |
| Operating characteristic | FA (very fast acting) | |
| Breaking capacity | 200 kA | |
| Pre-arcing I²t | 4.6 A²s | |
| Clearing I²t | 8 A²s | |
| Body material | Ceramic | |
| Mounting type | Clip mounting | |
| Supply type | AC | |
| Compliance | UL recognised, RoHS compliant | |
| EAN | 3605340061826 |
Frequently Asked Questions
What is the Mersen R084310 used for?
The Mersen R084310 provides very fast overcurrent protection for semiconductor devices, industrial electronics and sensitive control circuits.
What is the current rating of the R084310 fuse?
The fuse has a rated current of 4 A.
What voltage is the Mersen R084310 rated for?
The fuse is rated for operation on circuits up to 250 V AC.
Is the R084310 a time-delay fuse?
No. It has an FA very fast-acting characteristic, making it suitable for protecting sensitive semiconductor components.
How is the Mersen R084310 installed?
The fuse has a standard 6.3 × 32 mm ceramic body designed for installation in compatible clip-mounted fuse holders.
Trusted Semiconductor Protection from Mersen
Mersen high-speed semiconductor fuses are trusted worldwide by machine builders, panel manufacturers and automation engineers to provide dependable protection for power electronics, industrial control equipment and sensitive electronic systems.
