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MERSEN FUSE 12,5 URD 71 TT F 0250 12,5URD71TTF0250
MPN: A300518
Alt. SKU: PC71UD13C250TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 250A With Striker Flush Ends Metric Threads PC71UD13C250TF?
Engineered for maximum protection of power semiconductors, the PC71UD13C250TF offers rapid, reliable circuit interruption at 250A, with high-speed performance up to 1250VAC (IEC) and 1300VAC (UL). The integrated striker enables remote signalling, optimising safety and maintenance efficiency in demanding industrial applications.
Featuring robust square body construction and metric threaded flush ends, this Protistor® fuse ensures secure, vibration-resistant installation. Trust in its proven IEC and UL compliance for critical equipment safety and sustained operational uptime.
Product Code: A300518
Key Benefits
- High-speed aR characteristic ensures fast and reliable semiconductor protection.
- Rated for 250A at up to 1300VAC (UL) and 1250VAC (IEC) for versatile industrial use.
- Integrated striker indication system enables remote signalling for enhanced safety.
- Robust ceramic body with silver-plated brass flush end terminals for durability and secure mounting.
- Metric threaded flush ends provide vibration-resistant, bolted mounting.
- Complies with IEC and UL standards ensuring global application suitability.
Compatibility
This fuse is compatible with semiconductor protection circuits requiring high-speed interruption at high voltages and currents. It is suitable for use with industrial power semiconductors, motor drives, and power converters that require reliable aR fuse protection with remote indication capability.
Applications
- Protection of power semiconductors in industrial motor drives.
- Use in power converters and inverters requiring high-speed fuse protection.
- Industrial automation systems with high voltage AC circuits.
- Electrical distribution systems needing reliable semiconductor fuses.
- Remote signalling and monitoring of fuse status in critical equipment.
Technical Specifications
- Item number: A300518
- Catalogue No: PC71UD13C250TF
- Description: Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 250A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340329704
- 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: 1.545 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: 61 W
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates that this fuse is a high-speed semiconductor fuse designed to provide protection against short circuits and overloads in power semiconductor devices. It allows for rapid interruption to protect sensitive components.
Can this fuse be used in DC applications?
No, this specific 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, enabling remote monitoring and quick identification of fuse status without direct visual inspection.
Are the flush ends compatible with standard mounting hardware?
Yes, the flush ends with metric threads are designed for secure bolted mounting, ensuring vibration resistance and reliable electrical connection.
Common Search Terms
high speed fuse, semiconductor protection fuse, protistor fuse size 71, 250A fuse, aR fuse 1250VAC, striker fuse, flush end fuse, metric threaded fuse, industrial power fuse, UL IEC fuse
| Manufacturer Part Number | A300518 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340329704 |
| Height | 74mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC71UD13C250TF |