Why Choose the Mersen K220073 High-Speed Semiconductor Fuse?
The Mersen K220073 is a genuine Protistor® 1021 CP URD high-speed semiconductor fuse engineered to provide exceptional short-circuit protection for sensitive power electronic equipment. Designed in a compact 22 × 58 mm cylindrical format, this ultra-fast fuse protects semiconductor devices by rapidly limiting fault energy before costly damage can occur.
With a 63 A current rating, 690 V AC IEC voltage rating and a very high interrupting capacity, the K220073 is suitable for protecting IGBTs, thyristors, diodes, rectifiers, inverters, soft starters and variable frequency drives operating in demanding industrial environments.
Manufactured using Mersen's proven Protistor® technology, the fuse features a ceramic body with silver-plated contacts to provide excellent electrical performance, low power losses and long-term reliability in industrial control panels and power conversion equipment.
Key Advantages
- Genuine Mersen Protistor® high-speed semiconductor fuse.
- 63 A rated current.
- 690 V AC IEC voltage rating.
- Ultra-fast operation helps minimise damage to semiconductor devices.
- High breaking capacity for demanding industrial applications.
- Compact cylindrical design for standard fuse holders.
Key Features
- Manufacturer: Mersen
- Model: K220073
- Series: Protistor® 1021 CP URD
- High-speed cylindrical semiconductor fuse.
- 22 × 58 mm body size.
- Ceramic body construction.
- Silver-plated ferrule terminals.
- Designed for industrial semiconductor protection.
- Suitable for clip-mounted fuse holders.
Reliable Protection for Power Electronics
The Mersen K220073 has been developed specifically to protect sensitive semiconductor components against destructive short-circuit currents. Its extremely fast operating characteristics help reduce thermal and mechanical stress on expensive power electronic devices, improving equipment reliability and reducing maintenance costs.
Typical applications include industrial drives, UPS systems, power converters, renewable energy equipment, motor controllers and automation systems where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives.
- Industrial inverters.
- Power converters.
- UPS systems.
- Motor control centres.
- Rectifiers.
- Renewable energy systems.
- Industrial automation equipment.
