Why Choose the Mersen C076822 Protistor® High-Speed Fuse?
The Mersen C076822, catalogue number FR27UD69V100T, is a Protistor® high-speed cylindrical semiconductor fuse engineered to provide ultra-fast short-circuit protection for sensitive power semiconductor devices. Designed in accordance with IEC 60269-1 and IEC 60269-4, this fuse protects IGBTs, thyristors, power diodes and rectifiers used in demanding industrial power electronic systems.
Part of the proven Protistor® 27 × 60 mm URGD series, the FR27UD69V100T features an integrated mechanical striker for fuse-operation indication, enabling rapid fault identification and reducing maintenance downtime. Its current-limiting design minimises thermal and electrical stress on valuable semiconductor components.
With a 100 A current rating, 690 V AC IEC voltage rating and an extremely high breaking capacity, the C076822 is ideally suited to industrial drives, converters, UPS systems, renewable energy equipment and other power electronic applications requiring dependable semiconductor protection.
Key Advantages
- Ultra-fast aR semiconductor protection.
- 100 A rated current.
- 690 V AC IEC voltage rating.
- Integrated mechanical striker for blown-fuse indication.
- High current-limiting performance reduces semiconductor damage.
- Compact 27 × 60 mm cylindrical design.
- Designed for demanding industrial power-electronic applications.
Key Features
- Mersen Protistor® high-speed semiconductor fuse.
- Item number: C076822.
- Catalogue number: FR27UD69V100T.
- 100 A rated current.
- 690 V AC IEC rated voltage.
- aR utilisation category.
- Integrated mechanical striker.
- Silver-plated copper ferrules.
- High-strength ceramic body.
- RoHS compliant.
Designed for Semiconductor Protection
The Mersen C076822 is specifically engineered to protect high-value semiconductor devices from destructive short-circuit currents. Its aR operating characteristic provides extremely rapid fault clearing while minimising let-through energy, helping to maximise the service life of IGBTs, SCRs, diodes and other semiconductor components.
The integrated striker provides immediate indication when the fuse has operated, allowing compatible fuse holders or microswitches to provide local or remote status indication for improved maintenance efficiency.
Typical Applications
- Variable frequency drives.
- Industrial motor drives.
- Power converters.
- Rectifiers.
- UPS systems.
- Renewable energy inverters.
- Semiconductor protection circuits.
- Industrial automation equipment.
