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MERSEN FUSE 12,5 URD 73 EF 0500 12,5URD73EF0500
MPN: Z300632
Alt. SKU: PC73UD13C500EF
Special Price
£143.14
£119.28
Regular Price
£260.24
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 1250VAC IEC 1300VAC UL 500A With Striker Open Slot Blades PC73UD13C500EF?
Engineered for critical protection of power semiconductor devices, this Protistor® high-speed fuse offers reliable short-circuit and overload safeguarding at ratings of 1250VAC (IEC) and 1300VAC (UL), delivering outstanding operational stability in demanding industrial environments.
The 500A current rating, integrated striker for remote status indication, and robust open slot blade terminals ensure straightforward installation and maintenance. Fully compliant with international standards, this fuse is ideal for high-power drives, inverter systems, and large-scale rectifier applications where downtime is not an option.
Technical Specifications
- Item number: Z300632
- Catalogue No: PC73UD13C500EF
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 1250VAC IEC 1300VAC UL 500A With Striker Open Slot Blades
- EAN/UPC Code: 3605340331318
- 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: Bolted
- 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: Open Slot Blades
- Product Width: 73 mm
- Product Length: 149.4 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 1.11 kg
- Sell Pack Width: 110 mm
- Sell Pack Length: 180 mm
- Sell Pack Height: 80 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.11 kg
- Power Dissipation at Rated Current Value: 112 W
Product Code: Z300632
Key Benefits
- High-speed protection ensuring rapid response to short circuits and overloads
- Robust ceramic body for enhanced durability and thermal stability
- Integrated striker for remote status indication simplifies maintenance
- Silver-plated copper open slot blade terminals provide reliable electrical connection
- Compliant with IEC and UL standards for international application
- Bolted mounting ensures secure and stable installation
- High breaking capacity of 126 kA for demanding industrial environments
Compatibility
This fuse is compatible with power semiconductor devices requiring aR characteristic protection, particularly in high-power drives, inverter systems, and large-scale rectifier circuits. It fits fuse holders and assemblies designed for Size 73 fuses with open slot blade terminals and bolted mounting.
Applications
- Protection of power semiconductor devices in industrial drives
- Inverter and converter circuits in manufacturing plants
- Large-scale rectifier protection in power supply systems
- Critical industrial equipment requiring high-speed short-circuit protection
- Renewable energy systems such as solar inverters and wind turbine converters
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates that this fuse is a partial-range high-speed fuse designed to protect semiconductor devices by interrupting short-circuits rapidly while allowing normal operating currents and overloads to pass without nuisance tripping.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as specified in its technical specifications.
How does the striker indication system work?
The striker indication system provides a mechanical signal when the fuse has operated (blown), allowing for remote status monitoring and quick identification of a faulted fuse without direct visual inspection.
Is this fuse suitable for use in renewable energy systems?
Yes, due to its high-speed protection and high breaking capacity, it is suitable for use in renewable energy inverters and converters, such as those found in solar and wind power installations.
Common Search Terms
High-speed fuse, Protistor fuse, Size 73 fuse, 500A fuse, semiconductor protection fuse, aR fuse, 1250VAC fuse, 1300VAC fuse, striker indication fuse, open slot blade fuse, bolted mounting fuse, ceramic body fuse
| Manufacturer Part Number | Z300632 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340331318 |
| Height | 149.4mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73UD13C500EF |
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