Why Choose the Mersen W084360 High-Speed Miniature Fuse?
The Mersen W084360, catalogue number MI6FA40V3.15, is a compact high-speed semiconductor miniature fuse designed to protect sensitive electronic components and semiconductor devices against damaging overcurrents and short circuits. It forms part of Mersen’s 6.3 × 32 mm FA/FB miniature fuse range for industrial electronic and power-conversion applications.
With a rated current of 3.15 A and a rated voltage of 400 V AC, the W084360 provides rapid fault interruption while supporting higher-voltage electronic circuits. Its very fast-acting FA characteristic helps limit the thermal and electrical energy passed to vulnerable components during an abnormal current condition.
The fuse features a durable ceramic cartridge body, ferrule terminals and a clip-mounted design for straightforward installation in compatible fuse holders. Its 200 kA minimum interrupting rating and low I²t values provide dependable protection for industrial controls, semiconductor circuits, instrumentation and power electronic equipment.
Key Advantages
- High-speed fuse designed for sensitive semiconductor and electronic circuit protection.
- 3.15 A current rating for low-current industrial electronics.
- 400 V AC rated voltage for higher-voltage applications.
- Very fast FA characteristic helps reduce damaging fault energy.
- Compact 6.3 × 32 mm ceramic cartridge format.
- Exceptional 200 kA minimum interrupting rating.
- Clip mounting enables simple installation and replacement.
- Low melting and clearing I²t values help protect sensitive components.
- RoHS-compliant construction for modern electrical equipment.
Key Features
- Mersen 6.3 × 32 mm FA/FB 400 V semiconductor fuse range.
- Catalogue number: MI6FA40V3.15.
- 3.15 A rated current.
- 400 V AC rated voltage.
- High-speed FA operating characteristic.
- 6.3 × 32 mm fuse size.
- Ceramic body for reliable insulation and thermal performance.
- Ferrule terminal construction.
- Clip mounting in compatible fuse holders.
- 2.46 A²s melting I²t.
- 5.5 A²s clearing I²t at rated voltage.
Fast Protection for Sensitive Electronic Equipment
High-speed semiconductor fuses interrupt excessive current before damaging thermal energy can build up within electronic components. The Mersen W084360 uses a very fast FA characteristic to help protect semiconductor devices, measuring equipment and industrial control systems against overcurrent and short-circuit faults.
Its low melting and clearing I²t values limit the energy passed through the circuit during a fault. Combined with its ceramic body and exceptionally high interrupting capacity, this enables reliable fault isolation in compact electronic and power-conversion equipment.
Typical Applications
- Semiconductor device protection.
- Industrial electronic control equipment.
- Power supplies and conversion equipment.
- Automation and process control systems.
- Measurement and instrumentation equipment.
- Electronic control modules and assemblies.
- Rectifier and inverter circuits.
- OEM machinery and specialised electronic systems.
