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MERSEN FUSE 12,5 URD 72 PA 0450 C300842
MPN: C300842
Alt. SKU: PC72UD13C450PA
Special Price
£144.50
£120.42
Regular Price
£262.73
MERSEN FUSE 12,5 URD 72 PA 0450 C300842 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 450A With Striker Plain Blades PC72UD13C450PA?
Engineered for demanding industrial applications, this high-speed fuse delivers reliable short-circuit protection for power semiconductors. Rated at 1250VAC (IEC) and 1300VAC (UL) with a robust 450A capacity, it ensures safe operation and system integrity in high-current environments.
Featuring plain blade terminations and an integrated striker for remote signalling, the Protistor® PC72UD13C450PA enables straightforward installation and enhanced safety monitoring. Its square body form factor supports optimal thermal performance and compatibility with leading fuse blocks and holders.
Technical Specifications
- Item number: C300842
- Catalogue No: PC72UD13C450PA
- Description: Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 450A With Striker Plain Blades
- EAN/UPC Code: 3605340334371
- 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: 72
- Mounting: Clip
- Clearing I2t At Rated Voltage: 360 kA²s
- Melting I2t: 44.2 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: 59 mm
- Product Length: 149.4 mm
- Product Height: 63 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.3298 kg
- Sell Pack Width: 160 mm
- Sell Pack Length: 202 mm
- Sell Pack Height: 80 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.7766 kg
- Power Dissipation at Rated Current Value: 89 W
Product Code: C300842
Key Benefits
- High-speed protection for sensitive semiconductor devices
- Robust 450A rating with high breaking capacity of 126 kA
- Integrated striker for reliable remote indication of fuse operation
- Plain blade terminations for easy and secure mounting
- Ceramic body ensures excellent thermal and mechanical stability
- Compatible with standard Size 72 fuse holders and clips
Compatibility
This fuse is compatible with IEC and UL standard fuse holders designed for Size 72 fuses with plain blade terminals. It fits securely in clip mounting systems and is suitable for integration into industrial power semiconductor protection circuits requiring aR characteristic fuses.
Applications
- Protection of power semiconductors such as thyristors and diodes
- Industrial motor drives and inverters
- Power supplies and converters in manufacturing plants
- Renewable energy systems including solar and wind power inverters
- High-current industrial electrical equipment requiring fast-acting protection
Frequently Asked Questions
What does the 'aR' characteristic mean?
The 'aR' characteristic indicates a high-speed fuse designed for semiconductor protection, providing rapid interruption of short-circuit currents while allowing for inrush currents typical in semiconductor devices.
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 signal when the fuse operates, enabling remote monitoring systems to detect fuse status and improve safety and maintenance response times.
Is this fuse compatible with all Size 72 holders?
It is compatible with Size 72 fuse holders designed for plain blade terminations and clip mounting, but always verify holder specifications before installation.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Size 72 fuse, aR fuse, 450A fuse, 1250VAC fuse, 1300VAC fuse, fuse with striker, plain blade fuse, industrial fuse, power semiconductor protection
| Manufacturer Part Number | C300842 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340334371 |
| Height | 149.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC72UD13C450PA |
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