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MERSEN FUSE A 130 URD 71 TTI 0250 A130URD71TTI0250
MPN: D301027
Alt. SKU: A130UD71TTI250
Special Price
£82.37
£68.64
Regular Price
£149.76
MERSEN FUSE A 130 URD 71 TTI 0250 A130URD71TTI0250 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 250A With Striker Flush ends UNC threads A130UD71TTI250?
Engineered for critical protection of power semiconductors, this high-speed fuse provides rapid fault interruption at up to 1250VAC (IEC) and 1300VAC (UL) with a robust 250A rating. The square body design ensures secure mounting and optimised thermal management in demanding industrial environments.
Featuring flush-end striker indication and durable UNC-threaded terminals, the A130UD71TTI250 delivers fast response, straightforward installation, and reliable operation, making it an essential choice for safeguarding high-performance electrical systems.
Product Code: D301027
Key Benefits
- High-speed aR characteristic for rapid fault clearance.
- Rated for high voltages: 1250VAC (IEC) and 1300VAC (UL).
- Robust 250A current rating suitable for demanding applications.
- Flush-end striker indication for clear fuse status monitoring.
- Durable silver-plated brass terminals with UNC threads for secure connections.
- Ceramic body ensures excellent insulation and thermal stability.
- Bolted mounting for reliable and stable installation.
- Optimised power dissipation at rated current (61 W) to enhance longevity.
Compatibility
This fuse is compatible with semiconductor protection circuits requiring Size 71 high-speed fuses. It is designed to integrate seamlessly with industrial power electronic devices, including rectifiers, inverters, and thyristor controls operating within the specified voltage and current ratings.
Applications
- Protection of power semiconductors in industrial drives and converters.
- High-speed fault interruption in power electronics systems.
- Use in rectifier and inverter circuits.
- Safeguarding thyristor and transistor-based equipment.
- General industrial electrical protection where high breaking capacity is required.
Technical Specifications
- Item number: D301027
- Catalogue No: A130UD71TTI250
- Description: Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 250A With Striker Flush ends UNC threads
- EAN/UPC Code: 3605340335613
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1250 V
- Ampere Rating: 250 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 71
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 72 kA²s
- Melting I2t: 8.9 kA²s
- AC Max I.R./Breaking Capacity: I1: 126 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: 74 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.5 kg
- Sell Pack Width: 85 mm
- Sell Pack Length: 170 mm
- Sell Pack Height: 70 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.5 kg
- Power Dissipation at Rated Current Value: 61 W
Frequently Asked Questions
What does the 'aR' speed characteristic mean?
The 'aR' characteristic indicates a high-speed fuse designed to protect semiconductor devices by rapidly clearing short-circuit faults while allowing for normal transient currents.
Can this fuse be used in DC circuits?
No, this fuse is rated for AC use only as specified in the technical specifications.
What is the purpose of the striker indication system?
The striker indication system provides a visual signal when the fuse has operated, enabling quick identification of blown fuses without disassembly.
Are the terminals compatible with standard bolted connections?
Yes, the fuse features flush ends with UNC threads designed for secure bolted mounting.
Common Search Terms
High-speed fuse, semiconductor protection fuse, Size 71 fuse, 250A fuse, aR fuse, IEC 1250V fuse, UL 1300V fuse, Protistor fuse, flush end fuse, striker indication fuse, ceramic body fuse, bolted mounting fuse.
| Manufacturer Part Number | D301027 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340335613 |
| Height | 74mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | A130UD71TTI250 |
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