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MERSEN FUSE 12,5 URD 71 TT F 0400 12,5URD71TTF0400
MPN: D300521
Alt. SKU: PC71UD13C400TF
Special Price
£92.53
£77.11
Regular Price
£168.24
MERSEN FUSE 12,5 URD 71 TT F 0400 12,5URD71TTF0400 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 400A With Striker Flush Ends Metric Threads PC71UD13C400TF?
Engineered for precision protection in demanding power electronics, the Square Body High-Speed Fuse Protistor® (PC71UD13C400TF) provides rapid circuit interruption and reliable performance at 1250VAC (IEC), 1300VAC (UL), and a continuous current rating of 400A. Featuring robust flush ends with metric threads and an integral striker, it enables secure installation and remote fuse status indication.
Conforming to IEC and UL standards, this high-speed fuse ensures superior short-circuit protection for semiconductors and critical systems, reducing downtime and safeguarding assets in industrial and commercial applications.
Technical Specifications
- Item number: D300521
- Catalogue No: PC71UD13C400TF
- Description: Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 400A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340329735
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1250 V
- Ampere Rating: 400 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 71
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 308 kA²s
- Melting I2t: 38 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: 1.545 kg
- Sell Pack Width: 90 mm
- Sell Pack Length: 170 mm
- Sell Pack Height: 70 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.515 kg
- Power Dissipation at Rated Current Value: 76 W
Product Code: D300521
Key Benefits
- High-speed interruption for enhanced semiconductor protection
- Rated for both IEC (1250VAC) and UL (1300VAC) standards
- Robust ceramic body ensures durability and thermal stability
- Flush ends with metric threads for secure and easy mounting
- Integral striker indication system for remote fuse status monitoring
- Silver-plated brass terminals for excellent conductivity and corrosion resistance
- High breaking capacity (126 kA) minimises risk of damage during faults
Compatibility
This fuse is compatible with industrial and commercial high-speed fuse holders designed for Size 71 aR fuses with bolted mounting and flush end connections. It is suitable for use in semiconductor protection circuits and power electronics applications requiring IEC and UL rated components.
Applications
- Protection of power semiconductors such as thyristors and diodes
- Industrial motor drives and inverters
- Power supplies and converters in commercial installations
- Renewable energy systems including solar and wind power electronics
- High-speed circuit protection in manufacturing automation
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-circuits rapidly to protect sensitive components.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as indicated 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 remote or visual status monitoring without disassembly.
Are replacement fuses available in different current ratings?
Yes, the manufacturer typically offers a range of current ratings for Size 71 aR fuses to suit various circuit protection requirements.
Common Search Terms
High-speed fuse, semiconductor protection fuse, Size 71 fuse, aR fuse, 400A fuse, 1250VAC fuse, 1300VAC fuse, bolted mounting fuse, striker indicator fuse, ceramic body fuse, power electronics fuse
| Manufacturer Part Number | D300521 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340329735 |
| Height | 74mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC71UD13C400TF |
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