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MERSEN FUSE A 070 URD 31 TTI 0700 A070URD31TTI0700
MPN: K300481
Alt. SKU: A070UD31TTI700
Special Price
£109.27
£91.06
Regular Price
£198.68
MERSEN FUSE A 070 URD 31 TTI 0700 A070URD31TTI0700 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 700A With Striker Flush ends UNC threads A070UD31TTI700?
Engineered for demanding industrial applications, this high-speed Protistor® fuse delivers rapid, reliable protection for power semiconductors. Rated at 690VAC (IEC) and 700VAC (UL) with a 700A current capacity, it minimises downtime and ensures operational continuity in critical circuits.
The robust square body design, striker function, and flush ends with UNC threads enable secure installation and easy integration into existing systems. Choose the A070UD31TTI700 for dependable performance in high-fault environments requiring precise, high-speed circuit protection.
Product Code: K300481
Key Benefits
- High-speed aR characteristic ensures rapid disconnection of semiconductor faults.
- Robust ceramic square body for enhanced durability and thermal stability.
- Striker indication system provides clear visual confirmation of fuse operation.
- Flush ends with UNC threads allow secure and easy bolted mounting.
- High breaking capacity of 200 kA for reliable protection in high-fault conditions.
- Silver-plated brass terminals ensure excellent conductivity and corrosion resistance.
- RoHS compliant for environmental safety and regulatory adherence.
Compatibility
This fuse is compatible with industrial semiconductor protection systems requiring high-speed fuses sized 31 with aR characteristics. It is suitable for use in equipment designed to IEC and UL standards, particularly where 690VAC (IEC) or 700VAC (UL) ratings are specified. The bolted mounting and flush end terminals make it adaptable to existing fuse holders designed for Protistor® fuses.
Applications
- Protection of power semiconductors such as thyristors and diodes in inverters and converters.
- Industrial motor drives and variable speed drives.
- Renewable energy systems including solar and wind power inverters.
- High-power rectifier circuits and power supplies.
- Critical industrial automation and process control systems.
Technical Specifications
- Item number: K300481
- Catalogue No: A070UD31TTI700
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 700A With Striker Flush ends UNC threads
- EAN/UPC Code: 3605340329100
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 700 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 31
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 540000 A²s
- Melting I2t: 95000 A²s
- AC Max I.R./Breaking Capacity: I1: 200 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Brass
- Connection/Terminal Type: Flush ends
- Product Width: 51 mm
- Product Length: 50.6 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.155 kg
- Sell Pack Width: 85 mm
- Sell Pack Length: 168 mm
- Sell Pack Height: 65 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.385 kg
- Power Dissipation at Rated Current Value: 85 W
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 high short-circuit currents quickly to protect sensitive components.
Is this fuse suitable for DC applications?
No, this fuse is rated for AC applications only as specified in the technical specifications.
How does the striker indication system work?
The striker indication system provides a mechanical signal that the fuse has operated, allowing for quick visual identification of blown fuses without disassembly.
Can this fuse be used in renewable energy systems?
Yes, it is suitable for use in power semiconductor protection within renewable energy inverters and converters.
Common Search Terms
high-speed fuse, Protistor fuse, semiconductor protection fuse, size 31 fuse, 700A fuse, 690VAC fuse, 700VAC fuse, aR fuse, striker fuse, bolted mounting fuse, industrial fuse, ceramic body fuse, power semiconductor protection
| Manufacturer Part Number | K300481 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340329100 |
| Height | 50.6mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD31TTI700 |
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