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MERSEN FUSE 6,9 URD 3 PV 0550 6,9URD3PV550
MPN: Q320588
Alt. SKU: NH3UD69V550PV
Special Price
£88.02
£73.35
Regular Price
£160.04
Why Choose the Square Body High-Speed Fuse Protistor® NH Size 3 aR 690VAC IEC 700VAC UL 550A With Double Indicator Plain Blades NH3UD69V550PV?
Engineered for demanding industrial and photovoltaic protection, the NH3UD69V550PV offers rapid circuit response with a high interrupt rating up to 550A at 690VAC (IEC) / 700VAC (UL), safeguarding power electronics from critical fault conditions.
Its robust square-body NH format, double indicator system for clear status identification, and plain blades ensure reliable integration, fast maintenance, and reduced system downtime in high-performance applications.
Product Code: NH3UD69V550PV
Key Benefits
- High-speed aR characteristic for superior semiconductor protection.
- Double indicator system for clear and immediate fuse status identification.
- Robust ceramic body ensures durability and high insulation strength.
- Plain blade terminals facilitate secure and reliable mounting.
- High breaking capacity (170 kA) minimises risk of damage during fault conditions.
- Compact NH3 size allows for space-efficient installations.
Compatibility
This fuse is compatible with NH3 size fuse holders and clips designed for high-speed semiconductor protection applications. It is suitable for use in systems adhering to IEC and UL standards, ensuring broad applicability in industrial and photovoltaic installations.
Applications
- Protection of power semiconductors such as thyristors and diodes.
- Industrial motor drives and converters.
- Photovoltaic power systems.
- High-performance electrical distribution networks.
- Renewable energy systems requiring fast and reliable fault clearance.
Technical Specifications
- Item number: Q320588
- Catalogue No: NH3UD69V550PV
- Description: Square Body High-Speed Fuse Protistor® NH Size 3 aR 690VAC IEC 700VAC UL 550A With Double indicator Plain Blades
- EAN/UPC Code: 3605340358667
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 550 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: NH3
- Mounting: Clip
- Clearing I2t At Rated Voltage: 163 kA²s
- Melting I2t: 30.3 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: 160 W
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates a high-speed fuse designed specifically for semiconductor protection, providing rapid interruption of fault currents to protect sensitive power electronics.
Is this fuse suitable for DC applications?
No, this particular fuse is rated for AC applications only, as indicated by the AC or DC specification.
How does the double indicator system work?
The double indicator system provides a clear visual indication of fuse status, allowing quick identification of blown fuses to facilitate fast maintenance and reduce downtime.
Can this fuse be used in photovoltaic systems?
Yes, the NH3UD69V550PV is engineered for use in photovoltaic power systems, offering reliable protection for semiconductor devices within such installations.
Common Search Terms
NH3 fuse, high-speed fuse, semiconductor protection fuse, aR fuse 550A, 690VAC fuse, photovoltaic fuse, double indicator fuse, plain blade fuse, NH size 3 fuse, industrial fuse 550A
| Manufacturer Part Number | Q320588 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340358667 |
| Height | 150mm |
| Width | 72mm |
| Depth | 89mm |
| HS Code | 85361090 |
| Country of Manufacture | Tunisia |
| Manufacturer | Mersen |
| Alternative Product SKU | NH3UD69V550PV |
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