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MERSEN FUSE 6,9 URD 3 PV 0450 6,9URD3PV450
MPN: M320585
Alt. SKU: NH3UD69V450PV
Special Price
£84.23
£70.19
Regular Price
£153.14
Why Choose the Square Body High-Speed Fuse Protistor® NH Size 3 aR 690VAC IEC 700VAC UL 450A With Double Indicator Plain Blades NH3UD69V450PV?
The Protistor® NH3UD69V450PV offers rapid, reliable short-circuit protection for high-power industrial applications, ensuring critical components are safeguarded in demanding environments. Designed for operation at up to 690VAC (IEC) / 700VAC (UL) and rated at 450A, it delivers consistent high-speed performance and minimal let-through energy.
Featuring double indicators for instant visual status verification and durable plain blades for secure, low-resistance connections, this NH size 3 fuse is ideal for integration into renewable energy systems, power conversion, and heavy-duty electrical installations.
Product Code: NH3UD69V450PV
Key Benefits
- High-speed aR characteristic ensures rapid disconnection of short circuits, minimising equipment damage.
- Double indicator system provides clear visual status for easy maintenance and safety checks.
- Robust ceramic body offers excellent insulation and mechanical strength.
- Plain brass blades enable secure, low-resistance connections for reliable performance.
- Suitable for high voltage applications up to 700 V UL and 690 V IEC standards.
Compatibility
This fuse is compatible with standard NH size 3 fuse holders and clips designed for industrial and semiconductor protection applications. It integrates seamlessly into systems requiring high-speed protection for power electronics and renewable energy installations.
Applications
- Protection of semiconductor devices in industrial power supplies.
- Renewable energy systems such as solar inverters and wind turbines.
- Heavy-duty electrical installations requiring reliable short-circuit protection.
- Power conversion equipment and motor drives.
Technical Specifications
- Item number: M320585
- Catalogue No: NH3UD69V450PV
- Description: Square Body High-Speed Fuse Protistor® NH Size 3 aR 690VAC IEC 700VAC UL 450A With Double indicator Plain Blades
- EAN/UPC Code: 3605340358612
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 450 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: NH3
- Mounting: Clip
- Clearing I2t At Rated Voltage: 84.3 kA²s
- Melting I2t: 15.7 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: 139 W
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates that the fuse is a high-speed semiconductor protection fuse, designed to interrupt short circuits rapidly while allowing normal operational currents to pass without nuisance tripping.
Can this fuse be used in DC applications?
No, this fuse is rated for AC applications only, as specified in the technical specifications.
How does the double indicator system work?
The double indicator system provides two visual signals to clearly show the fuse status, enabling quick identification of blown fuses for maintenance purposes.
Is this fuse compatible with standard NH size 3 holders?
Yes, it is designed to fit standard NH size 3 fuse holders with clip mounting.
Common Search Terms
NH3 fuse, high-speed fuse 450A, Protistor fuse NH size 3, semiconductor protection fuse, 690VAC fuse, 700VAC UL fuse, double indicator fuse, industrial fuse 450A, ceramic body fuse, plain blade fuse
| Manufacturer Part Number | M320585 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340358612 |
| Height | 150mm |
| Width | 72mm |
| Depth | 89mm |
| HS Code | 85361090 |
| Country of Manufacture | Tunisia |
| Manufacturer | Mersen |
| Alternative Product SKU | NH3UD69V450PV |
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