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MERSEN FUSE 12,5 URD 73 PA 0500 S302719
MPN: S302719
Alt. SKU: PC73UD13C500PA
Special Price
£152.82
£127.35
Regular Price
£277.85
MERSEN FUSE 12,5 URD 73 PA 0500 S302719 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 1250VAC IEC 1300VAC UL 500A With Striker Plain Blades PC73UD13C500PA?
Engineered for superior circuit protection, this high-speed fuse delivers reliable performance in demanding industrial and power electronics applications. With a robust 500A rating and compatibility up to 1250VAC (IEC) and 1300VAC (UL), it ensures fast and effective overcurrent protection for sensitive equipment.
The integrated striker mechanism provides clear visual signalling for replacement, whilst plain blade terminals allow easy installation and secure connections. Choose the PC73UD13C500PA for high fault current interruption and long-term operational safety.
Technical Specifications
- Item number: S302719
- Catalogue No: PC73UD13C500PA
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 1250VAC IEC 1300VAC UL 500A With Striker Plain Blades
- EAN/UPC Code: 3605340355574
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1250 V
- Ampere Rating: 500 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 73
- Mounting: Clip
- Clearing I2t At Rated Voltage: 360 kA²s
- Melting I2t: 44 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: 73 mm
- Product Length: 149.4 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 3.48 kg
- Sell Pack Width: 160 mm
- Sell Pack Length: 245 mm
- Sell Pack Height: 100 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.16 kg
- Power Dissipation at Rated Current Value: 112 W
Product Code: PC73UD13C500PA
Key Benefits
- High-speed aR characteristic ensures rapid disconnection of overcurrents.
- Robust 500A rating suitable for demanding industrial environments.
- Dual voltage ratings: 1250VAC (IEC) and 1300VAC (UL) for versatile applications.
- Integrated striker provides clear visual indication for fuse replacement.
- Plain blade terminals enable easy and secure installation.
- Ceramic body material offers excellent insulation and durability.
- High breaking capacity of 126 kA for enhanced safety during fault conditions.
Compatibility
This fuse is compatible with IEC and UL rated systems requiring high-speed semiconductor protection. It fits standard Size 73 fuse clips and is suitable for use in industrial power electronics, motor drives, and control panels where high fault current interruption is essential.
Applications
- Protection of semiconductor devices such as thyristors and diodes.
- Industrial motor control circuits.
- Power electronics and inverter protection.
- Renewable energy systems including solar inverters.
- High voltage AC distribution panels.
Frequently Asked Questions
What does the aR characteristic mean?
The aR characteristic indicates a high-speed fuse designed specifically for semiconductor protection, capable of interrupting short-circuit currents quickly to protect 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.
How does the striker indication system work?
The striker mechanism provides a visual signal by triggering a mechanical indicator when the fuse operates, making it easy to identify a blown fuse without disassembly.
Is this fuse compatible with standard Size 73 fuse holders?
Yes, this fuse is designed to fit Size 73 fuse clips, ensuring easy installation and replacement.
Common Search Terms
High-speed fuse, semiconductor protection fuse, Size 73 fuse, 500A fuse, aR fuse, industrial fuse, high breaking capacity fuse, striker fuse, ceramic body fuse, 1250VAC fuse, 1300VAC fuse, plain blade fuse terminals.
| Manufacturer Part Number | S302719 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340355574 |
| Height | 149.4mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73UD13C500PA |
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