Why Choose the Mersen W093169 High-Speed Miniature Fuse?
The Mersen W093169, catalogue number MI6FA40V2.5P, is a high-speed semiconductor miniature fuse engineered to provide rapid overcurrent protection for sensitive semiconductor devices, power electronic equipment and industrial automation systems. As part of Mersen's 6.3 × 32 mm FA 400 V miniature fuse range with integrated striker, it delivers exceptionally fast fault interruption while providing a visual or mechanical indication when the fuse has operated.
With a rated current of 2.5 A and a rated operating voltage of 400 V AC, the W093169 is ideal for protecting converters, inverters, variable speed drives, instrumentation and industrial control equipment. Its fast FA characteristic helps minimise fault energy and protects valuable semiconductor components from damage.
The fuse features a durable 6.3 × 32 mm ceramic cartridge with ferrule terminals and an integrated striker, allowing installation in compatible clip-mounted fuse holders with remote indication capability. Its 200 kA breaking capacity and low I²t values provide dependable protection in demanding industrial applications.
Key Advantages
- Designed for semiconductor and sensitive electronic circuit protection.
- 2.5 A rated current for precision industrial electronics.
- 400 V AC rated voltage.
- Ultra-fast FA operating characteristic.
- Integrated striker indicator for fuse operation indication.
- Compact 6.3 × 32 mm ceramic cartridge.
- 200 kA breaking capacity for dependable fault interruption.
- Clip mounting enables quick installation and replacement.
- Low I²t values help minimise damage to semiconductor devices.
Key Features
- Mersen 6.3 × 32 mm FA 400 V semiconductor fuse series.
- Catalogue number: MI6FA40V2.5P.
- 2.5 A rated current.
- 400 V AC rated voltage.
- High-speed FA operating characteristic.
- Ceramic fuse body with ferrule terminals.
- Integrated striker indicator.
- Clip mounting installation.
- Pre-arcing I²t: 1.44 A²s.
- Clearing I²t: 3.2 A²s.
Reliable Protection for Semiconductor Equipment
The Mersen W093169 is specifically engineered for protecting semiconductor devices where rapid fault clearance is essential. Its high-speed FA characteristic and low I²t performance help minimise the energy released during fault conditions, reducing the risk of damage to expensive electronic components.
The integrated striker provides clear indication when the fuse has operated, simplifying maintenance and reducing equipment downtime. Combined with its ceramic construction and high interrupting capacity, the W093169 is well suited to demanding industrial automation and power electronic applications.
Typical Applications
- Semiconductor protection.
- Variable speed drives.
- Industrial power electronics.
- Power converters and inverters.
- Automation and control systems.
- Instrumentation equipment.
- Electronic control panels.
- OEM machinery.
