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MERSEN FUSE 6,9 URD 3 PV 0630 6,9URD3PV630
High-speed aR characteristic fuse with ceramic square body, double visual indicators, and plain blade terminals for reliable protection of power semiconductor devices up to 630A at 690VAC IEC and 700VAC UL.
£104.95
Why Choose the Mersen NH3UD69V630PV High-Speed Semiconductor Fuse?
The Mersen NH3UD69V630PV is a premium Protistor® NH Size 3 high-speed semiconductor fuse engineered to deliver rapid and dependable protection for sensitive power semiconductor devices. Designed by Mersen, this fuse safeguards IGBTs, thyristors, diodes and other power electronic components against damaging short-circuit currents in demanding industrial environments.
As part of the trusted Mersen Protistor® NH aR series, the NH3UD69V630PV combines ultra-fast fault interruption with high breaking capacity to maximise equipment protection while minimising downtime. Constructed with pure silver fuse elements embedded in solidified sand and finished with silver-plated contacts, it offers low I²t performance and exceptional electrical reliability.
With a rated current of 630 A and a 690 V AC IEC / 700 V AC UL voltage rating, the NH3UD69V630PV is ideally suited to variable frequency drives, power converters, UPS systems, renewable energy installations and industrial motor control applications.
Key Advantages
- High-speed aR semiconductor fuse for critical power electronics.
- 630 A current rating for high-power industrial equipment.
- 690 V AC IEC / 700 V AC UL voltage rating.
- 170 kA breaking capacity for excellent fault protection.
- Double visual indicator simplifies maintenance.
- Low I²t characteristics help protect expensive semiconductor devices.
Key Features
- Mersen Protistor® NH Size 3 series.
- 630 A rated current.
- 690 V AC IEC / 700 V AC UL.
- aR ultra-fast operating characteristic.
- NH Size 3 square body construction.
- Plain blade terminals.
- Double visual indicator.
- Silver-plated contacts and pure silver fuse elements.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically designed to clear short-circuit faults before sensitive semiconductor devices can be damaged. Their low energy let-through characteristics reduce thermal stress and help extend the service life of costly power electronic equipment.
The Mersen Protistor® NH range is trusted worldwide by OEMs and industrial engineers for protecting variable speed drives, converters, rectifiers, UPS systems and renewable energy equipment 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 power distribution panels.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Fuse Type | PV (gPV), Semiconductor | |
| Fuse Size | NH3 | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | R320589 | |
| Catalogue No | NH3UD69V630PV | |
| Description | Square Body High-Speed Fuse Protistor® NH Size 3 aR 690VAC IEC 700VAC UL 630A With Double indicator Plain Blades | |
| EAN/UPC Code | 3605340358681 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 630 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH3 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 226 kA²s | |
| Melting I2t | 42.1 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 | 72 mm | |
| Product Length | 150 mm | |
| Product Height | 89 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 1.05 kg | |
| Sell Pack Width | 165 mm | |
| Sell Pack Length | 185 mm | |
| Sell Pack Height | 100 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 1.05 kg | |
| Power Dissipation at Rated Current Value | 175 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen NH3UD69V630PV used for?
It provides ultra-fast short-circuit protection for semiconductor devices including IGBTs, thyristors and power diodes used in industrial power electronic equipment.
What is the current rating of the NH3UD69V630PV?
The fuse has a 630 A rated current.
What voltage is this fuse rated for?
The NH3UD69V630PV is rated for 690 V AC (IEC) and 700 V AC (UL).
Does this fuse include a visual indicator?
Yes. The fuse is supplied with a double visual indicator to simplify maintenance and fuse identification.
Where is the NH3UD69V630PV typically installed?
It is commonly installed in high-power drives, converters, UPS systems, renewable energy equipment and industrial automation panels.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® high-speed semiconductor fuses are trusted globally for protecting valuable power electronic equipment while helping maximise system reliability and minimise costly downtime.
