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MERSEN FUSE 400V FA 1,25 A 6.32 MI6FA40V1,25
Mersen R084356 MI6FA40V1.25 high-speed semiconductor miniature fuse rated at 1.25 A and 400 V AC, with a 6.3 x 32 mm body, FA very fast-acting characteristic and clip mounting.
£2.49
Why Choose the Mersen R084356 High-Speed Semiconductor Fuse?
The Mersen R084356, catalogue reference MI6FA40V1.25, is a compact high-speed semiconductor miniature fuse designed to protect sensitive electronic components against damaging overcurrents and short circuits. It forms part of Mersen's 6.3 × 32 mm FA/FB fuse range for industrial electronics and power control applications.
Its FA very fast-acting characteristic enables rapid fault interruption, helping limit the thermal and electrical energy transferred to semiconductor devices. This makes the R084356 suitable for protecting diodes, thyristors, rectifiers, converters and other electronic components with limited overcurrent withstand capability.
With a rated current of 1.25 A and a rated voltage of 400 V AC, the R084356 provides dependable protection for low-current industrial electronic circuits. Its standard 6.3 × 32 mm cylindrical format is designed for clip mounting in a compatible fuse holder, allowing straightforward installation and replacement.
Key Advantages
- Very fast-acting FA semiconductor protection fuse.
- 1.25 A rated current for sensitive electronic circuits.
- 400 V AC rated voltage for industrial applications.
- Compact 6.3 × 32 mm miniature cartridge format.
- Very high breaking capacity supports reliable fault interruption.
- Clip mounting allows convenient installation and replacement.
Key Features
- Mersen MI6FA40V1.25 miniature fuse.
- 1.25 A rated current.
- 400 V AC rated voltage.
- FA high-speed, very fast-acting characteristic.
- 6.3 × 32 mm cylindrical fuse body.
- Designed for clip mounting.
- Provides semiconductor overcurrent and short-circuit protection.
- Suitable for industrial electronics and power conversion equipment.
Rapid Protection for Sensitive Electronic Components
Semiconductor devices can be permanently damaged by fault currents lasting only a short period. The Mersen R084356 is designed to interrupt excessive current rapidly, helping reduce thermal stress and limit damage to protected components and surrounding equipment.
Its compact cylindrical construction makes it suitable for industrial control systems, power converters and electronic assemblies where installation space is limited. When fitted in a correctly rated fuse holder, it provides serviceable and dependable protection for circuits operating at up to 400 V AC.
Typical Applications
- Semiconductor converters and power electronic circuits.
- Protection of diodes, thyristors and rectifiers.
- Industrial automation and control equipment.
- Electronic power supplies.
- Instrumentation and measurement systems.
- Industrial electronic assemblies.
Technical Specifications
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| Current | 1.25 A | |
|---|---|---|
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 6.3x32 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | Semiconductor Miniature Fuses 6.3 × 32 FA/FB 400 V | |
| Item number | R084356 | |
| Catalogue number | MI6FA40V1.25 | |
| Product type | High-speed semiconductor miniature fuse | |
| Rated current | 1.25 A | |
| Rated voltage | 400 V AC | |
| Supply type | AC | |
| Fuse size | 6.3 × 32 mm | |
| Operating characteristic | FA, high speed / very fast acting | |
| Mounting type | Clip mounting | |
| Primary function | Semiconductor overcurrent and short-circuit protection | |
| Breaking capacity | Very high breaking capacity | |
| EAN / UPC | 3605340062410 |
Frequently Asked Questions
What is the Mersen R084356 used for?
The Mersen R084356 provides high-speed overcurrent and short-circuit protection for sensitive semiconductor devices and industrial electronic circuits.
What is the current rating of the R084356 fuse?
The fuse has a rated current of 1.25 A.
What voltage is the Mersen R084356 rated for?
The R084356 is rated for use on AC circuits operating at up to 400 V.
Is the Mersen R084356 a time-delay fuse?
No. It has an FA very fast-acting characteristic designed to interrupt fault currents rapidly and protect sensitive semiconductor components.
How is the Mersen R084356 installed?
The fuse has a standard 6.3 × 32 mm cylindrical body designed for clip mounting in a compatible miniature fuse holder.
Trusted Semiconductor Protection from Mersen
Mersen high-speed miniature fuses are used by equipment manufacturers, automation engineers and control panel builders to provide dependable protection for semiconductor devices, power electronics and industrial control equipment.
