Why Choose the Mersen NH00UD69V125PV Protistor® High-Speed Fuse?
The Mersen NH00UD69V125PV is a premium NH Size 00 high-speed semiconductor fuse from the renowned Mersen Protistor® range, engineered to provide ultra-fast protection for sensitive power electronic equipment. Designed specifically for semiconductor protection, this aR class fuse safeguards devices such as IGBTs, thyristors, diodes and rectifiers against damaging short-circuit currents while maintaining maximum system reliability.
Manufactured to DIN NH standards for worldwide compatibility, the NH00UD69V125PV features pure silver fuse elements embedded in solidified sand, silver-plated contact blades and a double visual indicator for dependable operation and simplified maintenance. Its exceptional current-limiting characteristics minimise let-through energy, helping to reduce damage to expensive power electronic components during fault conditions.
With a 125 A current rating and a 690 V AC IEC / 700 V AC UL voltage rating, this fuse is ideally suited to variable frequency drives, industrial inverters, UPS systems, power converters and renewable energy installations where fast semiconductor protection is essential.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 125 A rated current for industrial power electronics.
- 690 V AC IEC / 700 V AC UL voltage rating.
- High breaking capacity for dependable fault interruption.
- Double visual indicator simplifies maintenance.
- Low I²t characteristics reduce damage to semiconductor devices.
- Compatible with standard NH Size 00 fuse systems.
Key Features
- Mersen Protistor® semiconductor protection fuse.
- Catalogue number: NH00UD69V125PV.
- NH Size 00 square body construction.
- aR utilisation category.
- 125 A rated current.
- 690 V AC IEC / 700 V AC UL rating.
- Double visual operating indicator.
- Silver-plated plain blade contacts.
- Pure silver fuse elements.
- Excellent current-limiting performance.
Reliable Protection for Power Electronics
High-speed semiconductor fuses respond much faster than conventional industrial fuses, limiting fault current and reducing the energy transmitted to sensitive electronic components. This rapid interruption helps protect expensive semiconductors while reducing repair costs and equipment downtime.
The Mersen Protistor® NH00UD69V125PV is designed for demanding industrial environments where reliable semiconductor protection is essential. Its low I²t characteristics and high interrupting capacity make it an excellent choice for modern power conversion equipment and industrial automation systems.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- Industrial inverters.
- UPS systems.
- Renewable energy power conversion equipment.
- Industrial automation systems.
- OEM power electronic equipment.
