Why Choose the Mersen H084210 High-Speed Miniature Fuse?
The Mersen H084210, catalogue reference MI6FA50V2.5, is a very fast-acting miniature semiconductor fuse designed to provide reliable protection for sensitive electronic and semiconductor components against overcurrent and short-circuit faults. Part of Mersen's proven 6.3 × 32 mm FA 500 V series, it delivers dependable high-speed circuit protection for industrial electronics, power converters and automation equipment.
With a rated current of 2.5 A and a 500 V AC voltage rating, the H084210 interrupts fault currents rapidly, helping minimise the energy reaching valuable semiconductor devices. Its ceramic body and high breaking capacity make it ideal for protecting modern power electronics and industrial control systems.
Manufactured in the standard 6.3 × 32 mm cylindrical format, the fuse is designed for clip mounting in compatible fuse holders. Its compact dimensions enable straightforward integration into electrical panels, industrial machinery and OEM equipment requiring dependable semiconductor protection.
Key Advantages
- Very fast-acting protection for sensitive semiconductor devices.
- 2.5 A rated current for industrial electronic applications.
- 500 V AC rated voltage for demanding power circuits.
- High 200 kA breaking capacity for safe fault interruption.
- Compact 6.3 × 32 mm ceramic construction.
- Clip mounting enables simple installation and replacement.
Key Features
- Mersen FA semiconductor miniature fuse series.
- Very fast-acting (FA) operating characteristic.
- 2.5 A rated current.
- 500 V AC rated voltage.
- 6.3 × 32 mm ceramic body.
- Clip mounting configuration.
- Designed for semiconductor and power electronics protection.
- UL recognised, RoHS and UKCA compliant.
Reliable High-Speed Protection for Semiconductor Circuits
Very fast-acting semiconductor fuses are engineered to disconnect fault currents before excessive thermal energy can damage sensitive power electronic devices. Their rapid response helps improve equipment reliability while reducing the risk of costly component failures.
The Mersen H084210 combines a compact ceramic body with high interrupting performance, making it well suited to industrial automation, power supplies, converters, drives and OEM machinery where dependable semiconductor protection is essential.
Typical Applications
- Semiconductor protection.
- Industrial power converters.
- Variable speed drives.
- Electronic power supplies.
- Automation and control systems.
- OEM industrial equipment.
