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MERSEN FUSE 6,9 URD 2PV 0500 6,9URD2PV500
The NH2UD69V500PV offers rapid, reliable protection for semiconductor and power conversion systems, with a 500A rating and high interrupt capability up to 690VAC (IEC) and 700VAC (UL). Its aR-class performance ensures minimal energy let-through, reducing the risk of component damage during fault conditions.
£87.95
Why Choose the Mersen NH2UD69V500PV Protistor® High-Speed Fuse?
The Mersen NH2UD69V500PV is a high-performance NH Size 2 high-speed semiconductor fuse engineered to provide rapid short-circuit protection for sensitive power electronic equipment. Part of the established Mersen Protistor® range, it is designed to limit peak fault current and let-through energy before costly semiconductor components can be damaged.
Its aR utilisation category makes the NH2UD69V500PV particularly suitable for protecting IGBTs, thyristors, diodes, rectifiers and other power semiconductor devices. The fuse features a robust ceramic square body, blade contacts and visual fuse-status indication for dependable performance and straightforward maintenance in demanding industrial environments.
With a rated current of 500 A and voltage ratings of 690 V AC to IEC requirements and 700 V AC to UL requirements, this fuse is well suited to high-power variable frequency drives, industrial converters, UPS systems and renewable energy equipment. Its standard NH Size 2 format enables installation in a correctly rated compatible fuse base or switch-disconnector.
Key Advantages
- Ultra-fast aR fuse designed for semiconductor protection.
- 500 A rated current for high-power industrial applications.
- 690 V AC IEC and 700 V AC UL ratings.
- Low let-through energy helps minimise semiconductor damage.
- Excellent current-limiting performance during short-circuit faults.
- Visual indication supports efficient inspection and maintenance.
- Standard NH Size 2 format for compatible fuse systems.
Key Features
- Mersen Protistor® high-speed fuse series.
- NH2UD69V500PV product reference.
- 500 A rated current.
- 690 V AC IEC rated voltage.
- 700 V AC UL rated voltage.
- aR partial-range utilisation category.
- NH Size 2 square-body construction.
- Designed specifically for power semiconductor protection.
- Low I²t characteristics for reduced fault energy.
- Blade contacts for compatible NH fuse holders.
Reliable Protection for High-Power Electronics
Power semiconductor devices can be damaged by fault energy before conventional industrial fuses have time to operate. High-speed fuses such as the Mersen NH2UD69V500PV interrupt short-circuit currents rapidly, helping reduce thermal and electrical stress on sensitive components.
The fuse's aR operating characteristics make it suitable for short-circuit protection of semiconductor equipment. Appropriate separate overload protection should be incorporated where required by the equipment design and applicable electrical standards.
Typical Applications
- High-power variable frequency drives.
- Industrial motor drives and soft starters.
- Power converters and rectifier systems.
- Uninterruptible power supply equipment.
- Industrial inverters.
- Renewable energy conversion systems.
- Battery energy storage equipment.
- OEM power electronic machinery.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | NH2 | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | F320487 | |
| Catalogue No | NH2UD69V500PV | |
| Description | Square Body High-Speed Fuse Protistor® NH Size 2 aR 690VAC IEC 700VAC UL 500A With Double indicator Plain Blades | |
| EAN/UPC Code | 8430399015835 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 500 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH2 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 147 kA²s | |
| Melting I2t | 27.5 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 170 kA | |
| Indication System | Yes | |
| Indication System Type | Double indicator | |
| Connection/Terminal Material | Brass | |
| Connection/Terminal Type | Plain Blades | |
| Product Width | 52 mm | |
| Product Length | 150 mm | |
| Product Height | 74 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.86 kg | |
| Sell Pack Width | 155 mm | |
| Sell Pack Length | 162 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.62 kg | |
| Power Dissipation at Rated Current Value | 147 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen NH2UD69V500PV used for?
It is used to provide ultra-fast short-circuit protection for power semiconductors in industrial drives, converters, inverters, UPS systems and other high-power electronic equipment.
What is the current rating of this fuse?
The Mersen NH2UD69V500PV has a rated current of 500 A.
What voltage is the NH2UD69V500PV rated for?
The fuse is rated at 690 V AC under IEC requirements and 700 V AC under UL requirements.
What does the aR fuse classification mean?
The aR classification identifies a partial-range, high-speed fuse designed specifically to interrupt short-circuit currents and protect semiconductor devices.
How is the NH2UD69V500PV installed?
Its NH Size 2 blade format is designed for installation in a compatible fuse base, fuse holder or switch-disconnector with suitable current and voltage ratings.
Trusted for Industrial Semiconductor Protection
Mersen Protistor® high-speed fuses are widely specified by power electronics engineers, panel builders and equipment manufacturers for dependable protection of sensitive semiconductor devices in demanding industrial systems.
