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MERSEN FUSE 250V SA 1,25 A 6.32 MI6SA25V1,25
Mersen V084405 MI6SA25V1.25 medium time-lag 6.3 x 32 mm semiconductor miniature fuse rated at 1.25 A and 250 V AC for protecting sensitive electronic components and control apparatus.
£2.84
Why Choose the Mersen V084405 MI6SA25V1.25 Miniature Fuse?
The Mersen V084405, catalogue number MI6SA25V1.25, is a compact medium time-lag semiconductor miniature fuse designed to protect sensitive electronic components and control apparatus against overcurrents and short circuits. Its SA operating characteristic allows brief current surges to pass without unnecessary operation while maintaining dependable protection against sustained electrical faults.
With a rated current of 1.25 A and a rated voltage of 250 V AC, the V084405 is suitable for industrial electronics, power supplies, control systems and equipment containing semiconductor devices. Its standard 6.3 x 32 mm cartridge format enables straightforward installation in compatible fuse clips and holders.
The fuse provides a very high breaking capacity of 200 kA, supporting reliable interruption of substantial prospective fault currents. Manufactured by Mersen using high-quality materials, it combines surge tolerance, compact dimensions and consistent electrical performance for demanding industrial applications.
Key Advantages
- Medium time-lag protection for circuits exposed to temporary current surges.
- 1.25 A rated current for sensitive electronic and control circuits.
- 250 V AC rated voltage for industrial equipment.
- Very high 200 kA breaking capacity.
- Helps prevent nuisance operation during normal inrush conditions.
- Standard 6.3 x 32 mm format for convenient replacement.
- Manufactured by Mersen for dependable long-term protection.
Key Features
- Mersen semiconductor miniature fuse range.
- 1.25 A rated current.
- 250 V AC rated voltage.
- Medium time-lag SA operating characteristic.
- Compact 6.3 x 32 mm cartridge construction.
- Clip-mounted installation.
- 200 kA minimum breaking capacity.
- Pre-arcing I²t value of 0.55 A²s.
- Total clearing I²t value of 1 A²s.
Reliable Protection with Surge Tolerance
Medium time-lag fuses are designed to withstand brief current increases produced when power supplies, transformers and electronic equipment are energised. This helps avoid unnecessary fuse replacement during normal start-up conditions while retaining effective protection against sustained overloads.
The Mersen V084405 combines its SA time-current characteristic with an exceptionally high breaking capacity. This makes it suitable for sensitive industrial and electronic circuits requiring dependable fault interruption together with tolerance of short-duration inrush currents.
Typical Applications
- Semiconductor protection circuits.
- Industrial control apparatus.
- Electronic power supplies.
- Control transformers.
- Automation and process equipment.
- Instrumentation and measurement systems.
- OEM electronic assemblies.
- Circuits exposed to temporary start-up currents.
Technical Specifications
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| Current | 1.25 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 6.3x32 mm | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Series | Semiconductor Miniature Fuses Size 6 x 32 SA 125 V-250 V | |
| Item number | V084405 | |
| Catalogue number | MI6SA25V1.25 | |
| Product type | Medium time-lag semiconductor miniature fuse | |
| Rated current | 1.25 A | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Operating characteristic | Medium time-lag SA | |
| Fuse size | 6.3 x 32 mm | |
| Mounting type | Clip mounting | |
| Minimum breaking capacity | 200 kA | |
| Pre-arcing I²t | 0.55 A²s | |
| Total clearing I²t at rated voltage | 1 A²s | |
| Primary application | Semiconductor and control apparatus protection | |
| EAN / UPC | 3605340062908 |
Frequently Asked Questions
What is the Mersen V084405 used for?
The Mersen V084405 provides overcurrent and short-circuit protection for semiconductor devices, sensitive electronic components and industrial control apparatus.
What is the current rating of the V084405?
The Mersen V084405 has a rated current of 1.25 A.
What voltage is the Mersen V084405 rated for?
This miniature fuse has a rated voltage of 250 V AC.
What does the SA characteristic mean?
The SA characteristic provides medium time-lag operation, allowing the fuse to tolerate brief inrush currents while responding to sustained overloads and short circuits.
How is the Mersen V084405 installed?
The fuse has a standard 6.3 x 32 mm cartridge format and is installed in a compatible fuse clip or holder.
Trusted Circuit Protection from Mersen
Mersen miniature fuses are used by electronic equipment manufacturers, panel builders and industrial engineers to protect sensitive control equipment while supporting reliable operation in demanding electrical applications.
