Why Choose the Mersen N330039 Protistor® High-Speed Fuse?
The Mersen N330039 (DN000UB69V160) is a premium NH Size 000 square body high-speed semiconductor protection fuse from the trusted Mersen Protistor® series. Specifically designed to protect sensitive power electronic equipment, this ultra-fast aR fuse provides outstanding protection for IGBTs, thyristors, diodes and other semiconductor devices against damaging short-circuit currents while delivering exceptional current-limiting performance.
Manufactured using precision die-cut silver fuse elements embedded in solidified silica sand, the N330039 delivers low let-through energy (I²t), high interrupting capacity and dependable long-term performance. Silver-plated DIN 80 blade contacts ensure excellent electrical conductivity, while the compact NH000 square body allows simple installation in industrial power conversion equipment.
With a 160 A rated current and a 690 V AC IEC / UL operating voltage, the N330039 is ideally suited for industrial drives, UPS systems, converters, rectifiers and renewable energy equipment requiring reliable semiconductor protection.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 160 A rated current for industrial power electronic systems.
- 690 V AC IEC / UL voltage rating.
- Protects IGBTs, thyristors, diodes and other semiconductor devices.
- Low I²t characteristics reduce damage during fault conditions.
- Silver-plated DIN 80 blade terminals for reliable electrical connections.
Key Features
- Mersen Protistor® high-speed fuse series.
- Item number: N330039.
- Catalogue number: DN000UB69V160.
- 160 A rated current.
- 690 V AC IEC / UL rated voltage.
- 500 V DC UL rating.
- aR operating class for semiconductor protection.
- NH Size 000 square body with DIN 80 silver-plated blades.
Reliable Protection for Industrial Power Electronics
The Mersen N330039 is engineered to clear fault currents before they can damage costly semiconductor devices. Its ultra-fast operating characteristics and low energy let-through performance help maximise equipment reliability while reducing maintenance costs and production downtime.
Protistor® semiconductor fuses are widely specified by OEMs and panel builders for industrial motor drives, converters, UPS systems and renewable energy applications where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- UPS systems.
- Renewable energy inverters.
- Industrial automation and semiconductor protection.