Why Choose the Mersen K089456 MI6SA40V3.15P Semiconductor Fuse?
The Mersen K089456, catalogue reference MI6SA40V3.15P, is a compact medium time-lag semiconductor protection fuse designed to protect sensitive electronic components, semiconductor devices and control equipment against overcurrent and short-circuit conditions. Its SA operating characteristic allows brief current surges to pass while providing dependable protection against sustained electrical faults.
Part of the Mersen 6.3 × 32 mm SA miniature fuse series, the K089456 combines reliable circuit protection with a compact cylindrical cartridge format. Its high-quality construction and very high breaking capacity make it suitable for industrial electronics, power supplies, instrumentation and automation equipment exposed to inrush currents.
With a rated current of 3.15 A and a rated voltage of 400 V AC, the Mersen K089456 is designed for clip mounting within a compatible fuse holder. The integrated striker provides mechanical indication when the fuse has operated and can activate suitable auxiliary signalling or tripping equipment.
Key Advantages
- Medium time-lag semiconductor protection fuse.
- 3.15 A rated current for electronic and control circuits.
- 400 V AC rated voltage for industrial applications.
- Compact 6.3 × 32 mm cartridge format.
- Allows brief inrush currents without unnecessary fuse operation.
- Integrated striker supports fuse status indication and compatible tripping systems.
Key Features
- Mersen MI6SA semiconductor miniature fuse series.
- Catalogue number: MI6SA40V3.15P.
- 3.15 A rated current.
- 400 V AC rated voltage.
- Medium time-lag SA operating characteristic.
- Very high breaking capacity for dependable fault interruption.
- Integrated striker / trip indicator.
- Clip mounting for compatible fuse holders.
Reliable Protection with Inrush Current Tolerance
Industrial electronic equipment can experience temporary current surges during energisation, switching or capacitor charging. The medium time-lag characteristic of the Mersen K089456 allows these short-duration surges to pass without unnecessary operation while still disconnecting the circuit during sustained overloads or short circuits.
Its compact 6.3 × 32 mm construction supports installation in space-restricted control equipment and electronic assemblies. When fitted within a correctly rated fuse holder, the K089456 provides a replaceable and dependable protection solution for sensitive semiconductor and control circuits.
Typical Applications
- Semiconductor device protection.
- Industrial control equipment.
- Electronic power supplies.
- Instrumentation and measuring apparatus.
- Automation and monitoring systems.
- OEM electronic and control assemblies.
