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MERSEN FUSE 11 URD 71 EF 0500 11URD71EF0500
MPN: F300615
Alt. SKU: PC71UD11C500EF
Special Price
£117.18
£97.65
Regular Price
£213.05
MERSEN FUSE 11 URD 71 EF 0500 11URD71EF0500 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 aR 1100VAC IEC 1200VAC UL 500A With Striker Open Slot Blades PC71UD11C500EF?
This high-speed fuse is engineered for superior protection of power semiconductors, delivering reliable aR-class performance up to 1100VAC (IEC) and 1200VAC (UL) with a robust 500A rating. Its square body and open slot blades streamline installation in demanding industrial applications, ensuring optimal thermal and electrical conductivity.
The integrated striker facilitates remote fuse operation and status indication, reducing maintenance time and enhancing safety. Fully compliant with IEC and UL standards, this fuse delivers proven dependability in critical power electronics environments.
Technical Specifications
- Item number: F300615
- Catalogue No: PC71UD11C500EF
- Description: Square Body High-Speed Fuse Protistor® Size 71 aR 1100VAC IEC 1200VAC UL 500A With Striker Open Slot Blades
- EAN/UPC Code: 3605340331004
- Rated voltage AC UL: 1200 V
- Rated voltage AC IEC: 1100 V
- Ampere Rating: 500 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 71
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 441 kA²s
- Melting I2t: 68 kA²s
- AC Max I.R./Breaking Capacity: I1: 150 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Open Slot Blades
- Product Width: 51 mm
- Product Length: 149.4 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.62 kg
- Sell Pack Width: 140 mm
- Sell Pack Length: 174 mm
- Sell Pack Height: 71 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.54 kg
- Power Dissipation at Rated Current Value: 100 W
Product Code: F300615
Key Benefits
- High-speed aR characteristic ensures rapid disconnection of fault currents to protect sensitive semiconductor devices.
- Robust ceramic body enhances durability and thermal stability under high electrical stress.
- Integrated striker allows for remote indication of fuse status, improving maintenance efficiency and safety.
- Open slot blade terminals provide secure and easy bolted mounting for reliable electrical connections.
- Compliance with IEC and UL standards guarantees quality and interoperability in global industrial environments.
Compatibility
This fuse is compatible with a wide range of industrial power semiconductor protection systems requiring Size 71 aR fuses with a 500A rating. It fits bolted mounting fuse holders designed for open slot blade terminals and is suitable for use in systems operating up to 1100VAC (IEC) and 1200VAC (UL).
Applications
- Protection of power semiconductor devices such as thyristors and diodes in industrial drives and inverters.
- Use in power conversion equipment and uninterruptible power supplies (UPS).
- High-power motor control centres and industrial automation systems.
- Electrical distribution panels requiring high breaking capacity and fast fuse operation.
Frequently Asked Questions
What does the 'aR' speed/characteristic mean?
The 'aR' classification 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 particular fuse is rated for AC applications only, as specified in the technical specifications.
What is the purpose of the striker indication system?
The striker provides a mechanical indication when the fuse has operated (blown), allowing for remote status monitoring and safer, quicker maintenance.
Is the fuse body material important?
Yes, the ceramic body provides excellent insulation, heat resistance, and mechanical strength, which are critical for high-speed fuse performance and safety.
Common Search Terms
high-speed fuse, semiconductor protection fuse, aR fuse, 500A fuse, 1100VAC fuse, 1200VAC fuse, protistor fuse, size 71 fuse, striker fuse, industrial fuse, bolted fuse, open slot blade fuse
| Manufacturer Part Number | F300615 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340331004 |
| Height | 149.4mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC71UD11C500EF |
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