Why Choose the Mersen NH2UD69V250PV High-Speed Semiconductor Fuse?
The Mersen NH2UD69V250PV is a premium Protistor® NH Size 2 high-speed semiconductor fuse designed to provide exceptional protection for sensitive power semiconductor devices. Manufactured by Mersen, this fuse safeguards IGBTs, thyristors, GTOs and power diodes against damaging short-circuit currents in demanding industrial power conversion systems.
As part of the trusted Mersen Protistor® NH aR series, the NH2UD69V250PV delivers ultra-fast fault interruption with low energy let-through to help minimise damage to expensive semiconductor equipment. Constructed using pure silver fuse elements embedded in solidified sand with silver-plated contacts, it offers outstanding electrical performance, high reliability and long service life.
With a 250 A current rating and a 690 V AC IEC / 700 V AC UL voltage rating, the NH2UD69V250PV is ideally suited to variable frequency drives, power converters, UPS systems, renewable energy installations and industrial automation equipment requiring dependable semiconductor protection.
Key Advantages
- Ultra-fast aR semiconductor fuse for protecting sensitive power electronics.
- 250 A rated current for industrial power applications.
- 690 V AC IEC / 700 V AC UL voltage rating.
- 170 kA breaking capacity for exceptional fault interruption.
- Double visual indicator simplifies maintenance and replacement.
- Low I²t characteristics help minimise damage to semiconductor devices.
Key Features
- Mersen Protistor® NH Size 2 series.
- 250 A rated current.
- 690 V AC IEC / 700 V AC UL.
- aR ultra-fast operating characteristic.
- NH Size 2 square body construction.
- Plain blade terminals.
- Double visual indicator.
- Pure silver fuse elements with silver-plated contacts.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically engineered to interrupt short-circuit currents before excessive thermal energy can damage sensitive semiconductor devices. Their low I²t characteristics reduce electrical stress, helping extend equipment life and minimise costly downtime.
The Mersen Protistor® NH range is widely specified by OEMs and industrial engineers for protecting variable speed drives, converters, UPS systems, renewable energy equipment and industrial motor control systems where reliable semiconductor protection is essential.
Typical Applications
- Variable frequency drives.
- Industrial motor control systems.
- Power converters and inverters.
- UPS systems.
- Renewable energy power conversion equipment.
- Industrial automation and electrical distribution panels.
