Why Choose the Mersen C330052 Protistor® Square Body Semiconductor Fuse?
The Mersen C330052 is a Protistor® Size NH 000 square body high-speed semiconductor fuse-link engineered to provide outstanding protection for sensitive power electronic equipment. Designed specifically for semiconductor applications, it protects diodes, thyristors, IGBTs and other semiconductor devices against damaging short-circuit currents while delivering exceptional current-limiting performance.
Part of the proven Mersen Protistor® Size 000/00 aR series, the C330052 carries an 80 A current rating with a 690 V AC IEC / UL voltage rating and 500 V DC UL rating. Its square body NH 000 construction with L-bracket connections provides a compact, robust solution for industrial power conversion equipment.
The fuse incorporates silver-plated contact surfaces, non-magnetic hardware and low I²t characteristics to maximise semiconductor protection. It is suitable for industrial drives, UPS systems, power converters, rectifiers, renewable energy equipment and other demanding power electronic applications.
Key Advantages
- Genuine Mersen Protistor® high-speed semiconductor fuse.
- 80 A rated current.
- 690 V AC IEC / UL voltage rating.
- 500 V DC UL rating for suitable DC applications.
- Outstanding current-limiting characteristics for semiconductor protection.
- 200 kA breaking capacity for demanding industrial installations.
Key Features
- Manufacturer reference: C330052.
- Catalogue number: BS000UB69V80.
- Protistor® Size NH 000 square body fuse.
- aR operating class for semiconductor protection.
- 80 A rated current.
- 690 V AC IEC / UL rated voltage.
- Square body NH 000 with L-bracket connections.
- Silver-plated contacts and non-magnetic hardware.
Designed for High-Speed Semiconductor Protection
High-speed semiconductor fuses are engineered to interrupt fault currents before costly semiconductor devices can be damaged. Their extremely low let-through energy helps protect power electronic equipment, improve system reliability and reduce costly downtime in industrial applications.
The Protistor® range is widely specified for variable speed drives, converters, UPS systems, renewable energy equipment and industrial automation where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor control equipment.
- Power converters and rectifiers.
- UPS and battery backup systems.
- Renewable energy inverters.
- Industrial automation and electrical control panels.
