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MERSEN FUSE A 070 URD 30 TTI 0400 A070URD30TTI0400
MPN: T300581
Alt. SKU: A070UD30TTI400
Special Price
£77.95
£64.96
Regular Price
£141.72
MERSEN FUSE A 070 URD 30 TTI 0400 A070URD30TTI0400 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 400A With Striker Flush Ends UNC Threads A070UD30TTI400?
Engineered for maximum protection in critical industrial applications, this high-speed Protistor® fuse delivers rapid fault response at 690VAC (IEC) and 700VAC (UL), ensuring superior safety for high-power semiconductor devices up to 400A.
The robust square body design, striker functionality for reliable trip indication, and flush ends with UNC threads streamline installation in demanding environments, making it the ideal choice for dependable overcurrent protection and system uptime.
Product Code: T300581
Key Benefits
- High-speed aR characteristic ensures rapid fault clearing to protect sensitive semiconductor devices.
- Rated for both IEC 690VAC and UL 700VAC, providing versatile application compatibility.
- Striker indication system offers clear and reliable trip status for easy maintenance checks.
- Flush ends with UNC threads facilitate secure and straightforward bolted mounting.
- Ceramic body construction ensures durability and excellent insulating properties.
- Silver-plated brass terminals enhance conductivity and corrosion resistance.
Compatibility
This fuse is compatible with industrial semiconductor protection systems requiring high-speed interruption at voltages up to 700VAC and currents up to 400A. It fits fuse holders and switchgear designed for size 30 aR fuses with bolted mounting and UNC threaded flush ends.
Applications
- Protection of power semiconductor devices such as thyristors and diodes in industrial drives.
- Overcurrent protection in high-power rectifiers and inverters.
- Use in power electronics circuits requiring fast and reliable fault interruption.
- Industrial automation systems and motor control centres.
- Renewable energy systems including solar inverters and wind turbine converters.
Technical Specifications
- Item number: T300581
- Catalogue No: A070UD30TTI400
- Description: Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 400A With Striker Flush ends UNC threads
- EAN/UPC Code: 3605340330618
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 400 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 30
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 130 kA²s
- Melting I2t: 23 kA²s
- 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: 40 mm
- Product Length: 50.6 mm
- Product Height: 48 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 0.765 kg
- Sell Pack Width: 80 mm
- Sell Pack Length: 135 mm
- Sell Pack Height: 55 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.255 kg
- Power Dissipation at Rated Current Value: 60 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, capable of interrupting short-circuit currents rapidly to prevent damage to sensitive components.
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 purpose of the striker indication system?
The striker indication system provides a mechanical signal when the fuse has operated, allowing for quick visual identification of a blown fuse without disassembly.
Are replacement fuses available in different current ratings?
Yes, similar fuses in the Protistor® series are available in various current ratings to suit different protection requirements.
Common Search Terms
High-speed fuse, Protistor fuse, semiconductor protection fuse, size 30 fuse, 400A fuse, 690VAC fuse, 700VAC fuse, aR fuse, striker fuse, bolted fuse, ceramic body fuse, industrial fuse, overcurrent protection fuse.
| Manufacturer Part Number | T300581 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340330618 |
| Height | 50.6mm |
| Width | 40mm |
| Depth | 48mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD30TTI400 |
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