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MERSEN FUSE 250V SA 20 A 6.32 J084418
Mersen J084418 MI6SA25V20 medium time-lag semiconductor miniature fuse rated at 20 A and 250 V AC, featuring a 6.3 x 32 mm ceramic cartridge for industrial electronic protection.
£4.09
Why Choose the Mersen J084418 Medium Time-Lag Miniature Fuse?
The Mersen J084418, also identified by the catalogue number MI6SA25V20, is a compact medium time-lag semiconductor miniature fuse designed to protect sensitive electronic components, industrial control equipment and semiconductor circuits against overcurrent and short-circuit faults. It forms part of Mersen's SA range of 6.3 × 32 mm miniature fuse-links.
Its medium time-lag operating characteristic allows the fuse to withstand temporary inrush currents without nuisance operation while still providing dependable protection against sustained overloads and fault conditions. This makes the J084418 well suited to circuits containing transformers, capacitors, power supplies and semiconductor equipment.
With a rated current of 20 A, a rated voltage of 250 V AC and a compact ceramic cartridge construction, the J084418 provides reliable protection for industrial automation, electronic assemblies and measuring or control equipment whilst maintaining a very high breaking capacity.
Key Advantages
- Medium time-lag SA characteristic tolerates temporary inrush currents.
- 20 A rated current for higher-current electronic applications.
- 250 V AC voltage rating for industrial equipment.
- Compact 6.3 × 32 mm cylindrical cartridge.
- Very high breaking capacity for dependable fault interruption.
- Clip-mounted design enables quick installation and replacement.
Key Features
- Mersen SA semiconductor miniature fuse series.
- Catalogue number: MI6SA25V20.
- 20 A rated current.
- 250 V AC rated voltage.
- Medium time-lag operating characteristic.
- Ceramic cylindrical cartridge body.
- Ferrule terminals for compatible fuse clips and holders.
- RoHS-compliant construction.
Reliable Protection with Inrush Current Tolerance
The Mersen J084418 is engineered to withstand temporary inrush currents whilst providing dependable protection against sustained overloads and short circuits. Its medium time-lag characteristic helps reduce nuisance fuse operation without compromising circuit safety.
Its compact ceramic cartridge fits standard 6.3 × 32 mm fuse holders, making it suitable for industrial automation equipment, electronic power supplies, measuring apparatus and semiconductor control systems requiring dependable circuit protection.
Typical Applications
- Industrial automation systems.
- Electronic power supplies.
- Transformer and capacitor circuits.
- Semiconductor protection.
- Instrumentation and measuring equipment.
- Industrial control panels.
Technical Specifications
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| Current | 20 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature, Semiconductor | |
| Fuse Size | 6.3x32 mm | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Product reference | J084418 | |
| Catalogue number | MI6SA25V20 | |
| Product type | Medium time-lag semiconductor miniature fuse | |
| Series | SA 6.3 × 32 | |
| Rated current | 20 A | |
| Rated voltage | 250 V AC | |
| Current type | AC | |
| Operating characteristic | Medium time-lag (SA) | |
| Fuse size | 6.3 × 32 mm | |
| Body material | Ceramic | |
| Connection type | Ferrule terminals | |
| Mounting type | Clip mounting | |
| Breaking capacity | Very high breaking capacity | |
| Compliance | UL recognised, RoHS compliant | |
| EAN / UPC | 3605340063165 |
Frequently Asked Questions
What is the Mersen J084418 used for?
The Mersen J084418 protects semiconductor devices, electronic equipment and industrial control circuits from overloads and short-circuit faults whilst accommodating temporary inrush currents.
What is the current rating of the J084418 fuse?
The fuse has a rated current of 20 A.
What voltage is the Mersen J084418 rated for?
The J084418 has a rated voltage of 250 V AC.
What does the medium time-lag characteristic provide?
It allows the fuse to tolerate short-duration current surges and equipment inrush currents whilst still providing dependable protection against sustained overloads and fault conditions.
How is the J084418 installed?
The fuse has ferrule terminals and is designed for clip mounting in compatible 6.3 × 32 mm fuse holders.
Trusted Electrical Protection from Mersen
Mersen semiconductor miniature fuses are trusted by equipment manufacturers, panel builders and automation engineers worldwide to provide dependable circuit protection for industrial electronic systems.
