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MERSEN FUSE 250V SA 0,8 A 5.20 MI5SA25V0,8
Mersen K084120 MI5SA25V0.8 fast-acting miniature semiconductor fuse rated at 0.8 A and 250 V AC in a compact 5 × 20 mm ceramic cartridge format.
£2.37
Why Choose the Mersen K084120 MI5SA25V0.8 Semiconductor Fuse?
The Mersen K084120, catalogue reference MI5SA25V0.8, is a compact high-speed miniature cartridge fuse designed to protect sensitive electronic equipment and semiconductor devices against overloads and short-circuit faults. Its rapid operating characteristic helps minimise fault energy, reducing the risk of damage to critical electronic components.
Part of the Mersen MI5SA 5 × 20 mm miniature fuse series, the K084120 combines a ceramic cartridge construction with a high breaking capacity and dependable electrical performance. It is ideally suited to industrial automation, instrumentation, power supplies and electronic control equipment where reliable overcurrent protection is essential.
With a rated current of 0.8 A, a 250 V AC voltage rating and a 10 kA breaking capacity, the Mersen K084120 provides dependable circuit protection while fitting standard 5 × 20 mm fuse holders for straightforward installation and replacement.
Key Advantages
- High-speed miniature semiconductor protection fuse.
- 0.8 A rated current for sensitive electronic circuits.
- 250 V AC rated voltage.
- Compact 5 × 20 mm ceramic cartridge.
- 10 kA breaking capacity for reliable fault interruption.
- Suitable for industrial, OEM and electronic equipment.
Key Features
- Mersen MI5SA miniature fuse series.
- Catalogue number: MI5SA25V0.8.
- 0.8 A rated current.
- 250 V AC rated voltage.
- SA fast-acting operating characteristic.
- Ceramic cartridge construction.
- 5 × 20 mm cylindrical format.
- Clip mounting in compatible fuse holders.
Reliable Protection for Electronic Equipment
The Mersen K084120 is engineered to disconnect fault currents rapidly, helping protect sensitive semiconductor devices and electronic circuits from thermal and electrical damage. Its fast response improves equipment reliability and reduces the likelihood of costly component failures.
Its compact ceramic cartridge construction and standard 5 × 20 mm dimensions make it suitable for industrial control panels, instrumentation, power supplies and automation equipment requiring dependable overcurrent protection.
Typical Applications
- Industrial control equipment.
- Electronic power supplies.
- Semiconductor protection circuits.
- Instrumentation systems.
- Automation equipment.
- OEM electronic assemblies.
Technical Specifications
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| Current | 0.8 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | MI5SA Semiconductor Miniature Fuses | |
| Model | K084120 | |
| Catalogue number | MI5SA25V0.8 | |
| Product type | High-speed miniature cartridge fuse | |
| Rated current | 0.8 A | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Operating characteristic | SA fast acting | |
| Breaking capacity | 10 kA | |
| Fuse dimensions | 5 × 20 mm | |
| Body material | Ceramic | |
| Mounting type | Clip mounting | |
| EAN / UPC | 3605340060546 |
Frequently Asked Questions
What is the Mersen K084120 used for?
The K084120 is a fast-acting miniature fuse designed to protect sensitive electronic and semiconductor circuits against overloads and short-circuit faults.
What is the current rating of the K084120?
The Mersen K084120 has a rated current of 0.8 A.
What voltage is this fuse rated for?
The fuse has a rated operating voltage of 250 V AC.
What size is the Mersen K084120?
The fuse uses the industry standard 5 × 20 mm ceramic cartridge format.
What is the breaking capacity of the K084120?
The K084120 offers a 10 kA breaking capacity, providing dependable interruption of fault currents in suitable applications.
Trusted for High-Speed Circuit Protection
Mersen miniature fuses are trusted by electrical engineers, panel builders and OEM manufacturers worldwide for delivering dependable protection of sensitive electronic and semiconductor equipment.
