We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
MERSEN FUSE 6,9 URD 3 PV 0800 6,9URD3PV800
MPN: T320591
Alt. SKU: NH3UD69V800PV
Special Price
£98.28
£81.90
Regular Price
£178.68
Why Choose the Square Body High-Speed Fuse Protistor® NH Size 3 aR 690VAC IEC 700VAC UL 800A With Double Indicator Plain Blades NH3UD69V800PV?
The NH3UD69V800PV delivers fast, reliable protection for power electronics, ensuring minimal let-through energy and superior fault current interruption in demanding industrial applications. Designed for use up to 690VAC (IEC) and 700VAC (UL), this high-speed fuse provides robust circuit safeguarding for sensitive semiconductor devices.
Featuring double visual indicators and plain blades in a standard NH Size 3 format, this 800A fuse simplifies condition monitoring and makes integration effortless. Approved to both IEC and UL standards, it supports global compliance and operational safety in high-performance installations.
Product Code: NH3UD69V800PV
Key Benefits
- High-speed aR characteristic ensures rapid fault clearance for sensitive semiconductor protection.
- Double indicator system provides clear visual status for easy maintenance and monitoring.
- Robust ceramic body offers excellent insulation and durability in harsh industrial environments.
- Compliance with IEC and UL standards guarantees global safety and reliability.
- Plain blade terminals allow secure and straightforward mounting with clip connections.
Compatibility
This fuse is compatible with NH Size 3 fuse holders and switchgear designed for high-speed semiconductor protection up to 800A and rated voltages of 690VAC (IEC) and 700VAC (UL). It integrates seamlessly with industrial power electronics systems requiring reliable fault interruption.
Applications
- Protection of power semiconductors such as thyristors and diodes in industrial drives.
- Safeguarding power converters and inverters in renewable energy systems.
- Use in motor control centres and industrial automation equipment.
- Protection of transformers and capacitors in electrical distribution networks.
Technical Specifications
- Item number: T320591
- Catalogue No: NH3UD69V800PV
- Description: Square Body High-Speed Fuse Protistor® NH Size 3 aR 690VAC IEC 700VAC UL 800A With Double indicator Plain Blades
- EAN/UPC Code: 3605340358728
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 800 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: NH3
- Mounting: Clip
- Clearing I2t At Rated Voltage: 478 kA²s
- Melting I2t: 88.9 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: 220 W
Frequently Asked Questions
What does the aR speed characteristic mean?
The aR (partial-range) speed characteristic indicates that the fuse is designed for high-speed interruption of semiconductor circuits, providing fast fault clearance to protect sensitive components.
Is this fuse suitable for DC applications?
No, this fuse is rated for AC use only, as specified in the technical specifications.
How does the double indicator system work?
The double indicator system provides a clear visual signal when the fuse has operated, allowing for quick identification and replacement without additional testing.
Can this fuse be used globally?
Yes, it is approved to both IEC and UL standards, making it suitable for international applications.
Common Search Terms
NH3 fuse, high-speed fuse, semiconductor protection fuse, 800A fuse, 690VAC fuse, IEC fuse, UL fuse, Protistor fuse, double indicator fuse, industrial fuse, power electronics protection
| Manufacturer Part Number | T320591 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340358728 |
| Height | 150mm |
| Width | 72mm |
| Depth | 89mm |
| HS Code | 85361090 |
| Country of Manufacture | Tunisia |
| Manufacturer | Mersen |
| Alternative Product SKU | NH3UD69V800PV |
Write Your Own Review
