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Why Choose the MERSEN FUSE 6,9 URD 30 ES F 0250 PC30UD69V250ESF?
£73.90
The Mersen A300104 is a Protistor® square body high-speed semiconductor fuse designed to deliver ultra-fast short-circuit protection for sensitive power electronic equipment. Engineered for demanding industrial applications, this fuse provides reliable protection for IGBTs, thyristors, SCRs, diodes and other semiconductor devices used in modern power conversion systems.
Manufactured by Mersen, a global leader in electrical protection solutions, the A300104 is built using advanced fuse technology with silver-plated contacts and solidified sand construction to achieve low let-through energy and high interrupting performance. Its robust square body design makes it suitable for use in industrial environments where reliability is critical.
As part of the trusted Mersen Protistor® range, the A300104 is intended for industrial drive systems, UPS equipment, renewable energy installations, power converters and other applications requiring dependable semiconductor protection. Product-specific electrical ratings should be confirmed before installation.
High-speed semiconductor fuses are engineered to interrupt fault currents before damaging energy reaches expensive electronic components. Their rapid response helps improve equipment reliability while reducing repair costs and production downtime.
The Mersen Protistor® range is trusted worldwide for protecting industrial drives, UPS systems, renewable energy equipment and power conversion applications where dependable semiconductor protection is essential.
Tick the specs you need, then view products that match.
| Device Type | Fuse link | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Manufacturer | Mersen | |
| Series | Protistor® | |
| Model | A300104 | |
| Product type | High-speed semiconductor fuse | |
| Fuse characteristic | aR | |
| Rated current | Refer to manufacturer documentation | |
| Rated voltage | Refer to manufacturer documentation | |
| Breaking capacity | High interrupting capacity | |
| Construction | Square body fuse | |
| Contact material | Silver-plated contacts | |
| Mounting type | Square body fuse mounting | |
| Compliance | Refer to manufacturer documentation |
The A300104 is designed to provide ultra-fast protection for semiconductor devices used in industrial power electronic equipment.
It is commonly used in variable speed drives, UPS systems, industrial converters, renewable energy equipment and automation systems.
The fuse is suitable for protecting IGBTs, thyristors, SCRs, diodes and similar semiconductor devices.
They interrupt fault currents extremely quickly, helping prevent costly damage to sensitive power electronic components.
Yes. Always confirm the voltage, current and application requirements using the official Mersen documentation before installation.
Mersen Protistor® semiconductor fuses are trusted worldwide to protect critical power electronic equipment, helping maximise system reliability while reducing maintenance costs and downtime.
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