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MERSEN FUSE 12,5 URD 71 PA 0450 PC71UD13C450PA
MPN: W302975
Alt. SKU: PC71UD13C450PA
Special Price
£113.41
£94.51
Regular Price
£206.21
MERSEN FUSE 12,5 URD 71 PA 0450 PC71UD13C450PA is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 450A With Striker Plain Blades PC71UD13C450PA?
Engineered for reliable circuit protection, the PC71UD13C450PA delivers superior high-speed performance with a 450A rating for demanding industrial and power electronics applications. Certified to IEC and UL standards, it ensures safe operation up to 1250VAC (IEC) and 1300VAC (UL), making it ideal for safeguarding sensitive semiconductors.
The square body, striker mechanism, and plain blade terminals enable straightforward integration, fast fault indication, and consistent thermal management. Choose this Protistor® model for robust, compliant, and efficient protection in your critical installations.
Technical Specifications
- Item number: W302975
- Catalogue No: PC71UD13C450PA
- Description: Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 450A With Striker Plain Blades
- EAN/UPC Code: 3605340379853
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1250 V
- Ampere Rating: 450 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 71
- Mounting: Clip
- Clearing I2t At Rated Voltage: 378 kA²s
- Melting I2t: 47 kA²s
- AC Max I.R./Breaking Capacity: I1: 126 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Plain Blades
- Product Width: 51 mm
- Product Length: 149.4 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.68 kg
- Sell Pack Width: 140 mm
- Sell Pack Length: 170 mm
- Sell Pack Height: 70 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.56 kg
- Power Dissipation at Rated Current Value: 95 W
Product Code: W302975
Key Benefits
- High-speed protection for sensitive semiconductor devices
- Certified to IEC 1250VAC and UL 1300VAC standards for safety and reliability
- Striker indication system for immediate fault detection
- Robust ceramic body ensures excellent insulation and durability
- Silver-plated copper plain blade terminals provide reliable electrical connection
- Clip mounting allows easy installation and replacement
Compatibility
This fuse is compatible with Size 71 fuse holders and clip mounting systems designed for semiconductor protection fuses. It is suitable for integration in industrial power electronics, motor drives, and inverter circuits requiring high-speed aR characteristic fuses.
Applications
- Protection of power semiconductors such as IGBTs and thyristors
- Industrial motor drives and variable frequency drives
- Power supply units and inverters
- Renewable energy systems including solar and wind inverters
- High power electronics requiring fast and reliable fault clearance
Frequently Asked Questions
What does the aR characteristic mean?
The aR characteristic indicates a high-speed fuse designed specifically for semiconductor protection. It provides fast interruption of short-circuit currents while allowing for high inrush currents typical in power electronics.
Can this fuse be used in DC applications?
This fuse is rated for AC applications only, as indicated in the specifications. For DC applications, a fuse specifically rated for DC voltage should be used.
What is the purpose of the striker indication system?
The striker indication system provides a mechanical indication when the fuse has blown, allowing for quick visual identification of a fault without disassembling the circuit.
Is this fuse compliant with international standards?
Yes, this fuse meets IEC and UL standards for rated voltages and current interrupting capacity, ensuring compliance and safety in various industrial environments.
Common Search Terms
high-speed fuse, semiconductor protection fuse, aR fuse, Size 71 fuse, 450A fuse, 1250VAC fuse, 1300VAC fuse, Protistor fuse, striker fuse, industrial fuse, power electronics protection
| Manufacturer Part Number | W302975 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340379853 |
| Height | 149.4mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC71UD13C450PA |
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