Why Choose the Mersen K330036 Protistor® High-Speed Fuse?
The Mersen K330036, catalogue number DN000UB69V80, is a premium NH Size 000 high-speed semiconductor fuse designed to protect sensitive power electronic equipment from damaging short-circuit currents. As part of the trusted Mersen Protistor® series, it provides ultra-fast fault interruption for industrial drives, converters, rectifiers, UPS systems and renewable energy equipment.
Engineered specifically for semiconductor protection, the K330036 features an aR operating characteristic, making it ideal for safeguarding IGBTs, thyristors, diodes and other high-value semiconductor devices. Its advanced silver fuse elements and ceramic body construction deliver excellent current limitation, low let-through energy and exceptional breaking capacity.
With a rated current of 80 A, a voltage rating of 690 V AC (IEC) and a compact NH Size 000 DIN 80 blade-contact design, the Mersen K330036 offers reliable protection while allowing straightforward installation into compatible fuse holders and switch disconnectors used throughout industrial automation and power conversion systems.
Key Advantages
- Ultra-fast semiconductor protection fuse for industrial power electronics.
- 80 A rated current suitable for drives and converters.
- 690 V AC IEC voltage rating for demanding industrial applications.
- aR operating characteristic for semiconductor short-circuit protection.
- Excellent current limitation reduces damaging let-through energy.
- Compact NH Size 000 DIN 80 blade-contact design.
Key Features
- Mersen Protistor® K330036 (DN000UB69V80).
- 80 A nominal current rating.
- 690 V AC IEC / 500 V DC UL rated operation.
- aR utilisation category.
- NH Size 000 square-body construction.
- Silver-plated blade contacts.
- Ceramic body with solidified silica sand filling.
- Designed for protection of semiconductor devices.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically developed to interrupt fault currents before sensitive electronic components can be damaged. Their rapid operating characteristics reduce thermal and mechanical stress on semiconductor devices, helping improve equipment reliability while reducing costly downtime.
The Mersen K330036 is suitable for a wide range of industrial power conversion applications where dependable short-circuit protection is essential. Its compact NH000 construction enables simple installation into compatible industrial fuse assemblies while delivering outstanding protection performance.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial power converters.
- Servo drives and motion control systems.
- UPS equipment.
- Renewable energy inverter systems.
- Protection of IGBTs, thyristors and semiconductor modules.
