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 31 D08 A 0800 6,9URD31D08A0800
MPN: D300406
Alt. SKU: PC31UD69V800A
Special Price
£121.33
£101.11
Regular Price
£220.61
MERSEN FUSE 6,9 URD 31 D08 A 0800 6,9URD31D08A0800 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 800A With Striker DIN 80 Blades PC31UD69V800A?
Engineered for demanding industrial applications, this high-speed fuse delivers rapid, reliable protection for power semiconductors in AC and DC circuits. With a robust 800A rating and compatibility with both IEC 690VAC and UL 700VAC standards, it ensures maximum safety and operational continuity.
The inclusion of a built-in striker mechanism allows convenient remote signalling, while DIN 80 blades ensure straightforward integration into standard fuse holders. Its compact Square Body Size 31 design is optimised for space-limited panels, making it the ideal choice for modern, high-performance electrical protection.
Technical Specifications
- Item number: D300406
- Catalogue No: PC31UD69V800A
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 800A With Striker DIN 80 Blades
- EAN/UPC Code: 3605340327915
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 800 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 31
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 880000 A²s
- Melting I2t: 140000 A²s
- AC Max I.R./Breaking Capacity: I1: 200 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: DIN 80 Blades
- Product Width: 51 mm
- Product Length: 110 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.1598 kg
- Sell Pack Width: 143 mm
- Sell Pack Length: 167 mm
- Sell Pack Height: 64 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.3866 kg
- Power Dissipation at Rated Current Value: 120 W
Product Code: D300406
Key Benefits
- High-speed protection ensures rapid disconnection to safeguard sensitive semiconductor devices.
- Robust 800A rating suitable for heavy industrial loads.
- Dual voltage compatibility with IEC 690VAC and UL 700VAC standards.
- Built-in striker mechanism provides reliable remote indication of fuse operation.
- Compact Square Body Size 31 design optimised for space-saving panel layouts.
- Silver-plated copper terminals with DIN 80 blades enable secure and easy installation.
- Ceramic body construction offers excellent insulation and durability.
Compatibility
This fuse is designed for use with standard DIN 80 blade fuse holders and bolted mounting systems. It is compatible with power semiconductor protection circuits in industrial AC applications up to 700VAC UL and 690VAC IEC ratings. Suitable for integration into modern electrical panels requiring aR characteristic fuses.
Applications
- Protection of power semiconductors such as thyristors and diodes.
- Industrial motor drives and inverters.
- Power supply units and converters.
- Renewable energy systems including solar inverters.
- High-performance electrical distribution panels.
Frequently Asked Questions
What does the 'aR' characteristic mean?
The 'aR' characteristic indicates a high-speed fuse designed specifically for semiconductor protection, capable of interrupting short-circuit currents rapidly to protect sensitive components.
Can this fuse be used in DC circuits?
This particular model is rated for AC use only, as specified in the technical specifications.
What is the purpose of the striker indication system?
The striker provides a mechanical indication of fuse operation, allowing remote signalling to alert maintenance personnel when the fuse has blown.
Is this fuse RoHS compliant?
Yes, the fuse complies with RoHS standards, ensuring it is free from hazardous substances.
Common Search Terms
high-speed fuse, semiconductor protection fuse, aR fuse, 800A fuse, DIN 80 blade fuse, striker fuse, IEC 690VAC fuse, UL 700VAC fuse, square body fuse, industrial fuse
| Manufacturer Part Number | D300406 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340327915 |
| Height | 110mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC31UD69V800A |
Write Your Own Review
