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MERSEN FUSE A 070 URD 31 LI 0800 A070URD31LI0800
MPN: F300707
Alt. SKU: A070UD31LI800
Special Price
£133.69
£111.41
Regular Price
£243.08
MERSEN FUSE A 070 URD 31 LI 0800 A070URD31LI0800 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 Slotted Blades long A070UD31LI800?
The A070UD31LI800 fuse delivers reliable circuit protection for high-speed applications up to 690VAC (IEC) and 700VAC (UL), ensuring rapid clearance of fault currents to safeguard sensitive industrial equipment. Its robust 800A rating and square body design optimise thermal and electrical performance for demanding environments.
Equipped with striker and slotted blades for straightforward indication and secure integration, this fuse complies with both IEC and UL standards to meet global requirements. Choose the A070UD31LI800 for enhanced safety, minimal downtime, and efficient protection in critical power distribution and motor drive systems.
Technical Specifications
- Item number: F300707
- Catalogue No: A070UD31LI800
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 800A With Striker Slotted Blades long
- EAN/UPC Code: 3605340332490
- 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: Slotted Blades
- Product Width: 51 mm
- Product Length: 148.6 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.2519 kg
- Sell Pack Width: 155 mm
- Sell Pack Length: 165 mm
- Sell Pack Height: 60 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.4173 kg
- Power Dissipation at Rated Current Value: 120 W
Product Code: F300707
Key Benefits
- High-speed aR characteristic ensures rapid fault clearance to protect sensitive equipment.
- Robust 800A rating suitable for demanding industrial applications.
- Square body design optimises thermal and electrical performance.
- Striker indication system provides clear visual fault indication.
- Silver-plated copper slotted blade terminals ensure secure and reliable connections.
- Complies with IEC and UL standards for global application.
- Ceramic insulating body offers excellent durability and heat resistance.
Compatibility
This fuse is compatible with bolted mounting fuse holders designed for Size 31 high-speed fuses and is suitable for use in industrial power distribution systems, motor drives, and semiconductor protection applications requiring IEC 690VAC or UL 700VAC ratings.
Applications
- Protection of semiconductor devices such as thyristors and diodes.
- Industrial motor drive circuits requiring fast-acting protection.
- Power distribution panels in manufacturing and processing plants.
- High-speed circuit protection in automation and control systems.
- General industrial electrical equipment requiring reliable fuse protection.
Frequently Asked Questions
What does the aR speed/characteristic mean?
The aR (partial range) characteristic indicates that the fuse is designed for semiconductor protection, providing high-speed interruption of short-circuit currents while allowing for temporary overloads.
Can this fuse be used in DC applications?
No, this fuse is rated for AC applications only, as specified in the technical specifications.
What is the significance of the striker indication system?
The striker indication system provides a clear visual signal when the fuse has operated, facilitating quick identification and replacement.
Is this fuse RoHS compliant?
Yes, the fuse complies with RoHS directives, ensuring it is free from hazardous substances.
Common Search Terms
high-speed fuse, aR fuse, semiconductor protection fuse, 800A fuse, 690VAC fuse, 700VAC fuse, Size 31 fuse, striker fuse, slotted blade fuse, bolted mounting fuse, ceramic body fuse, industrial fuse, motor drive fuse
| Manufacturer Part Number | F300707 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340332490 |
| Height | 148.6mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD31LI800 |
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