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MERSEN FUSE 12,5 URD 71 D11 A 0450 12,5URD71D11A0450
MPN: K300550
Alt. SKU: PC71UD13C450D1A
Special Price
£98.54
£82.12
Regular Price
£179.16
MERSEN FUSE 12,5 URD 71 D11 A 0450 12,5URD71D11A0450 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 DIN 110 Blades PC71UD13C450D1A?
Engineered for critical protection of semiconductor devices, this high-speed fuse offers rapid fault interruption at 1250VAC IEC and 1300VAC UL, with a robust 450A current rating. The integrated striker and DIN 110 blades ensure reliable mechanical indication and secure installation in demanding industrial settings.
Fully compliant with IEC and UL standards, the PC71UD13C450D1A minimises downtime and safeguards sensitive power electronics. Its square body design and advanced arc-quenched technology provide superior thermal stability and operational efficiency for demanding applications.
Product Code: K300550
Key Benefits
- Rapid fault interruption for enhanced semiconductor protection
- High voltage ratings: 1250VAC IEC and 1300VAC UL for versatile use
- Robust 450A current rating suitable for demanding industrial applications
- Reliable mechanical indication with integrated striker system
- Secure and easy installation with DIN 110 blade terminals
- Ceramic body ensures excellent thermal stability and durability
- Compliant with international IEC and UL safety standards
Compatibility
This fuse is compatible with standard Size 71 fuse holders and switchgear designed for high-speed semiconductor protection. It is suitable for use in systems requiring bolted mounting and DIN 110 blade connections, commonly found in industrial power electronics and motor drive protection.
Applications
- Protection of semiconductor devices such as thyristors and diodes
- Industrial motor drives and power converters
- Renewable energy systems including solar inverters
- Uninterruptible power supplies (UPS)
- High-performance power electronics and industrial automation
Technical Specifications
- Item number: K300550
- Catalogue No: PC71UD13C450D1A
- Description: Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 450A With Striker DIN 110 Blades
- EAN/UPC Code: 3605340330083
- 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: Bolted
- 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: DIN 110 Blades
- Product Width: 51 mm
- Product Length: 133.4 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.56 kg
- Sell Pack Width: 142 mm
- Sell Pack Length: 166 mm
- Sell Pack Height: 62 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.52 kg
- Power Dissipation at Rated Current Value: 95 W
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates that this fuse is a partial-range semiconductor fuse designed to protect semiconductor devices by interrupting short-circuit faults rapidly while allowing for normal inrush currents.
Is this fuse suitable for DC applications?
No, this fuse is rated for AC applications only, as specified in the technical specifications.
How does the striker indication system work?
The striker system provides a mechanical indication by physically ejecting or moving a striker mechanism when the fuse has operated, allowing for quick visual identification of a blown fuse.
Can this fuse be used in renewable energy systems?
Yes, it is suitable for protecting power electronics in renewable energy systems such as solar inverters, due to its high-speed interruption and high voltage ratings.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Size 71 fuse, 450A fuse, 1250VAC fuse, 1300VAC fuse, aR fuse, DIN 110 blade fuse, striker fuse, ceramic body fuse, industrial fuse, power electronics protection
| Manufacturer Part Number | K300550 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340330083 |
| Height | 133.4mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC71UD13C450D1A |
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