Why Choose the Mersen L302230 Protistor® High-Speed Fuse?
The Mersen L302230 is a high-performance Protistor® square body semiconductor protection fuse designed to provide ultra-fast protection for power semiconductor devices in demanding industrial applications. Manufactured by Mersen, this fuse is specifically engineered to protect diodes, thyristors, IGBTs and other sensitive power electronic components from damaging short-circuit conditions.
As part of the trusted Mersen Protistor® size 2x72 series, the L302230 combines rapid fault interruption with high breaking capacity, helping minimise equipment damage and reduce costly downtime. Its silver-plated contacts, ceramic body and solidified sand construction deliver reliable performance in high-power conversion equipment and industrial automation systems.
Featuring a 1000 V AC IEC rating, a 1600 A current rating and an integrated striker indicator, the Mersen L302230 is ideally suited to variable speed drives, UPS systems, renewable energy equipment, power converters and other high-power semiconductor applications requiring dependable ultra-fast protection.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 1600 A rated current for high-power applications.
- 1000 V AC IEC voltage rating.
- Protects IGBTs, thyristors, diodes and semiconductor devices.
- Integrated striker indication system for fuse status monitoring.
- Robust ceramic construction with silver-plated contacts for long service life.
Key Features
- Mersen Protistor® size 2x72 square body fuse.
- Manufacturer part number: L302230.
- Catalogue number: PC272UD10C16CTF.
- 1600 A current rating.
- 1000 V AC IEC rated voltage.
- aR ultra-fast operating characteristic.
- Flush-end terminals with Omega connection.
- Integrated striker indicator.
- Bolted mounting arrangement.
- Ceramic body with silver-plated brass terminals.
Reliable Protection for Power Electronics
Semiconductor protection fuses are specifically designed to interrupt extremely high fault currents before damage occurs to expensive power electronic devices. Their ultra-fast operating characteristics help reduce thermal stress and improve the reliability of industrial power conversion equipment.
The Mersen Protistor® range is widely used in industrial drives, renewable energy systems, UPS installations, motor control centres and power converters where dependable semiconductor protection is essential for continuous operation.
Typical Applications
- Variable speed drives (VSDs).
- Industrial motor drives.
- Power converters and inverters.
- UPS systems.
- Renewable energy equipment.
- Semiconductor power protection.
- Industrial automation systems.
- Power distribution equipment.
