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MERSEN FUSE 400V SA 3,15 A 6.32 P 400VSA315A6.32P
Mersen K089456 MI6SA40V3.15P medium time-lag semiconductor protection fuse rated at 3.15 A and 400 V AC in a compact 6.3 by 32 mm clip-mounted cartridge format with integrated striker.
£15.42
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.
Technical Specifications
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| Current | 3.15 A | |
|---|---|---|
| Fuse Indication | Striker | |
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | Semiconductor | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Series | Semiconductor Miniature Fuses Size 6.3 × 32 SA 400 V | |
| Model | K089456 | |
| Catalogue number | MI6SA40V3.15P | |
| Product type | Semiconductor protection cartridge fuse | |
| Rated current | 3.15 A | |
| Rated voltage | 400 V AC | |
| Current type | AC | |
| Operating characteristic | Medium time-lag SA | |
| Fuse dimensions | 6.3 × 32 mm | |
| Mounting type | Clip mounting | |
| Indicator | Integrated striker | |
| Connection type | Cylindrical end caps | |
| Protection function | Overcurrent and short-circuit protection | |
| EAN / UPC | 3605340083194 |
Frequently Asked Questions
What is the Mersen K089456 used for?
The K089456 is a medium time-lag cartridge fuse designed to protect sensitive semiconductor devices, electronic components and control equipment against sustained overloads and short-circuit faults.
What is the current rating of the K089456?
The Mersen K089456 has a rated current of 3.15 A.
What voltage is this fuse rated for?
The fuse has a rated operating voltage of 400 V AC.
What does the SA characteristic mean?
The SA characteristic provides medium time-lag operation, allowing brief inrush currents to pass while protecting the circuit against sustained overcurrent and short-circuit conditions.
What does the integrated striker do?
The integrated striker provides mechanical indication when the fuse has operated and can activate compatible auxiliary signalling or tripping equipment.
Trusted for Sensitive Circuit Protection
Mersen miniature semiconductor fuses are widely used by electrical engineers, equipment manufacturers and automation specialists to provide dependable protection for sensitive electronic and industrial control systems.
