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MERSEN FUSE 8 URD 71 TT F 0900 N301289
MPN: N301289
Alt. SKU: PC71UD80V900TF
Special Price
£144.72
£120.60
Regular Price
£263.12
MERSEN FUSE 8 URD 71 TT F 0900 N301289 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 aR 800VAC IEC 850VAC UL 900A With Striker Flush ends metric threads PC71UD80V900TF?
Engineered for demanding industrial and power electronics applications, this high-speed Protistor® fuse delivers reliable protection for semiconductor devices up to 900A, ensuring minimal energy let-through during fault conditions. Its robust square body design and flush striker ends with metric threads enable secure installation and straightforward replacement in critical systems.
Fully compliant with IEC (800VAC) and UL (850VAC) standards, the PC71UD80V900TF offers proven circuit protection performance, reducing downtime and equipment risk in high-voltage environments. Choose this fuse for superior operational safety and long-term durability in your most challenging applications.
Product Code: PC71UD80V900TF
Key Benefits
- High-speed aR characteristic ensures rapid disconnection of semiconductor faults.
- Robust ceramic square body provides excellent mechanical strength and heat resistance.
- Flush ends with metric threads allow secure bolted mounting and easy installation.
- Striker indication system provides clear visual fault indication for quick maintenance.
- Complies with IEC and UL standards for reliable performance in industrial environments.
- Silver-plated brass terminals ensure optimal electrical conductivity and corrosion resistance.
Compatibility
This fuse is compatible with industrial semiconductor protection systems requiring Size 71 aR fuses rated for up to 900A AC at voltages up to 850V UL and 800V IEC. It is suitable for use in bolted fuse holders designed for flush end connections with metric threads.
Applications
- Protection of power semiconductors such as thyristors, diodes, and transistors.
- Industrial motor drives and inverters.
- Power supply units and rectifiers.
- Renewable energy systems including solar and wind power converters.
- High-voltage industrial control and automation equipment.
Technical Specifications
- Item number: N301289
- Catalogue No: PC71UD80V900TF
- Description: Square Body High-Speed Fuse Protistor® Size 71 aR 800VAC IEC 850VAC UL 900A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340339284
- Rated voltage AC UL: 850 V
- Rated voltage AC IEC: 800 V
- Ampere Rating: 900 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 71
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 2010 kA²s
- Melting I2t: 446 kA²s
- AC Max I.R./Breaking Capacity: I1: 150 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: 100 W
Frequently Asked Questions
What does the aR speed characteristic mean?
The aR (partial range) characteristic indicates that the fuse is designed for semiconductor protection, providing high-speed interruption for short-circuit conditions but not for overload protection.
Can this fuse be used in DC circuits?
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 visual signal by releasing a striker when the fuse blows, allowing quick identification of a faulted fuse without disassembly.
Is this fuse compatible with standard Size 71 fuse holders?
Yes, it is designed to fit Size 71 fuse holders with bolted mounting and flush end connections with metric threads.
Common Search Terms
high-speed semiconductor fuse, Size 71 fuse, aR fuse 900A, 800VAC fuse, 850V UL fuse, Protistor fuse, flush end fuse, striker indication fuse, ceramic body fuse, bolted mounting fuse
| Manufacturer Part Number | N301289 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340339284 |
| Height | 74mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC71UD80V900TF |
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