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MERSEN FUSE 400V SA 1 A 6.32 P MI6SA40V1P
Mersen A079764 MI6SA40V1P medium time-lag semiconductor miniature fuse rated at 1 A and 400 V AC, with a 50 kA breaking capacity and striker indication.
£14.69
Why Choose the Mersen A079764 Semiconductor Miniature Fuse?
The Mersen A079764, catalogue number MI6SA40V1P, is a compact medium time-lag semiconductor miniature fuse designed to protect sensitive electronic components, semiconductor devices and industrial control equipment against damaging overcurrent conditions.
Part of Mersen’s MI6SA miniature fuse range, the A079764 combines a standard 6.3 × 32 mm cylindrical format with a rated current of 1 A and a rated voltage of 400 V AC. Its SA operating characteristic allows temporary current surges while providing dependable interruption when sustained overcurrent or short-circuit conditions occur.
The fuse features a high 50 kA minimum breaking capacity, ceramic body and integrated striker indication system. These features make the Mersen A079764 suitable for demanding control, automation and semiconductor protection applications where compact dimensions, fault indication and reliable circuit protection are required.
Key Advantages
- Medium time-lag SA characteristic tolerates short-duration current surges.
- 1 A current rating for sensitive electronic and control circuits.
- 400 V AC voltage rating for industrial electrical applications.
- Very high 50 kA minimum breaking capacity.
- Integrated striker indication system provides visual or mechanical fuse operation indication.
- Compact 6.3 × 32 mm cylindrical format for clip mounting.
Key Features
- Mersen MI6SA semiconductor miniature fuse series.
- 1 A rated current.
- 400 V AC rated voltage.
- Medium time-lag operating characteristic.
- 50 kA minimum interrupting rating.
- Integrated striker indication system.
- Ferrule terminal connection.
- Durable ceramic fuse body.
- Clip-mounted cylindrical construction.
- Suitable for semiconductor and control apparatus protection.
Reliable Protection for Sensitive Electronic Equipment
Semiconductor devices and electronic control components can be damaged by relatively short overcurrent events. The Mersen A079764 combines a high breaking capacity with a medium time-lag response, allowing normal temporary surges while interrupting sustained fault currents before they cause extensive equipment damage.
The integrated striker provides a clear indication when the fuse has operated, helping maintenance engineers identify failed circuits more efficiently. Its standard cylindrical dimensions also allow straightforward installation and replacement in a correctly rated 6.3 × 32 mm clip-mounted fuse holder.
Typical Applications
- Semiconductor device protection.
- Industrial control apparatus.
- Automation and process control equipment.
- Electronic power supplies.
- Instrumentation and monitoring systems.
- Control panels and electrical machinery.
Technical Specifications
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| Current | 1 A | |
|---|---|---|
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 6.3x32 mm | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Item number | A079764 | |
| Catalogue number | MI6SA40V1P | |
| Product type | Semiconductor miniature fuse | |
| Fuse series | MI6SA | |
| Rated current | 1 A | |
| Rated voltage | 400 V AC | |
| Current type | AC | |
| Operating characteristic | Medium time-lag | |
| Characteristic code | SA | |
| Minimum breaking capacity | 50 kA | |
| Clearing I²t at rated voltage | 0.6 A²s | |
| Melting I²t | 0.26 A²s | |
| Fuse size | 6.3 × 32 mm | |
| Product diameter | 6.3 mm | |
| Product length | 32.2 mm | |
| Mounting type | Clip mounting | |
| Terminal type | Ferrule | |
| Indication system | Yes | |
| Indication type | Striker | |
| Body material | Ceramic | |
| Product weight | Approx. 2.5 g | |
| EAN / UPC | 3605340035940 | |
| Sales pack quantity | 10 |
Frequently Asked Questions
What is the Mersen A079764 used for?
The Mersen A079764 protects sensitive semiconductor devices, electronic components and industrial control equipment against overcurrent and short-circuit conditions.
What is the current rating of the A079764 fuse?
The Mersen A079764 has a rated current of 1 A.
What voltage is the Mersen A079764 rated for?
The fuse has a rated operating voltage of 400 V AC.
What does the medium time-lag characteristic mean?
The medium time-lag SA characteristic allows the fuse to tolerate brief current surges while still interrupting sustained overloads and short-circuit currents.
Does the A079764 include a fuse operation indicator?
Yes. The Mersen A079764 includes an integrated striker indication system to indicate when the fuse has operated.
Trusted Semiconductor Protection from Mersen
Mersen semiconductor and miniature fuses are used by equipment manufacturers, panel builders and automation engineers to provide dependable protection for sensitive electronic components and industrial control systems.
