Why Choose the Mersen NH1UD69V80PV High-Speed Semiconductor Fuse?
The Mersen NH1UD69V80PV is a high-performance NH Size 1 high-speed semiconductor fuse link designed to provide exceptional protection for power electronic equipment against short circuits and excessive fault currents. Manufactured by Mersen, this Protistor® fuse offers rapid fault interruption for sensitive semiconductor devices including diodes, thyristors, IGBTs and power converters.
Part of the renowned Mersen Protistor® range, the NH1UD69V80PV is engineered to minimise let-through energy and protect valuable power electronics from catastrophic damage. Its advanced construction utilises pure silver fuse elements embedded in solidified silica sand, delivering excellent current-limiting performance and high breaking capacity.
With a rated current of 80 A, an operating voltage of 690 V AC (IEC) and a standard NH Size 1 blade-contact design, this fuse integrates easily into compatible NH fuse holders, switch disconnectors and industrial power conversion equipment used throughout manufacturing, renewable energy and motor control applications.
Key Advantages
- High-speed semiconductor protection fuse for sensitive power electronics.
- 80 A current rating suitable for industrial power conversion equipment.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Ultra-fast fault clearing helps protect IGBTs, SCRs and diodes.
- High breaking capacity for demanding industrial applications.
- Standard NH Size 1 blade-contact format for easy installation.
Key Features
- Mersen Protistor® NH1UD69V80PV semiconductor fuse.
- 80 A rated current.
- 690 V AC IEC / 700 V AC UL operation.
- aR utilisation category for semiconductor protection.
- NH Size 1 square body fuse construction.
- Double visual fuse indicator.
- Silver-plated blade contacts.
- Designed for power converters, drives and industrial electronics.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically designed to protect sensitive electronic power devices by interrupting fault currents before damage occurs. Their extremely fast operating characteristics reduce thermal and mechanical stress on semiconductor components, helping maximise equipment reliability and minimise downtime.
The Mersen Protistor® NH1UD69V80PV is widely used in industrial power conversion systems where rapid fault interruption is essential for protecting expensive electronic assemblies. Its low let-through energy and robust construction make it suitable for demanding industrial environments.
Typical Applications
- Variable frequency drives (VFDs).
- Soft starters and motor control centres.
- Industrial power converters.
- UPS systems.
- Renewable energy power conversion equipment.
- Protection of IGBTs, thyristors and rectifiers.
