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MERSEN FUSE 12,5 URD 73 PA 0630 12,5URD73PA0630
MPN: D300843
Alt. SKU: PC73UD13C630PA
Special Price
£173.02
£144.18
Regular Price
£314.57
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 1250VAC IEC 1300VAC UL 630A With Striker Plain Blades PC73UD13C630PA?
Engineered for superior protection of power semiconductors, the PC73UD13C630PA fuse features rapid response to overloads and short circuits, minimising system downtime. Its high interrupting capacity and compliance with IEC and UL standards ensure robust and reliable performance in demanding industrial environments.
With a 630A current rating, striker mechanism for reliable trip indication, and plain blade terminals for straightforward installation, this size 73 Protistor® fuse enables safe, efficient operation in high-voltage applications up to 1250VAC (IEC) and 1300VAC (UL).
Technical Specifications
- Item number: D300843
- Catalogue No: PC73UD13C630PA
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 1250VAC IEC 1300VAC UL 630A With Striker Plain Blades
- EAN/UPC Code: 3605340334388
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1250 V
- Ampere Rating: 630 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 73
- Mounting: Clip
- Clearing I2t At Rated Voltage: 680 kA²s
- Melting I2t: 84 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: 132 W
Product Code: PC73UD13C630PA
Key Benefits
- High-speed aR characteristic ensures fast disconnection of overload and short-circuit currents, protecting sensitive semiconductor devices.
- Striker indication system provides clear visual confirmation of fuse operation for easy maintenance.
- Compliance with IEC and UL standards guarantees reliable and safe performance in industrial applications.
- Plain blade terminals allow straightforward and secure installation.
- Robust ceramic body offers excellent insulation and mechanical strength.
- High breaking capacity (126 kA) minimises risk of damage during fault conditions.
Compatibility
This fuse is compatible with size 73 fuse clips and holders designed for Protistor® semiconductor protection fuses. It is suitable for integration in industrial power systems requiring high-speed protection at voltages up to 1300VAC (UL) and 1250VAC (IEC).
Applications
- Protection of power semiconductors such as thyristors, diodes, and transistors in industrial drives.
- High-voltage AC power circuits in manufacturing and processing plants.
- Inverter and converter protection in renewable energy systems.
- Motor control centres and power distribution panels.
- General semiconductor protection in heavy industry and automation.
Frequently Asked Questions
What does the "aR" speed characteristic mean?
The "aR" rating indicates a high-speed fuse designed specifically for semiconductor protection, capable of quickly interrupting short-circuit and overload currents to protect sensitive components.
Can this fuse be used in 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 mechanism provides a visible indication when the fuse has operated by releasing a spring-loaded indicator, allowing for quick identification of a blown fuse.
What are the dimensions of this fuse?
The fuse measures 149.4 mm in length, 73 mm in width, and 78.5 mm in height.
Common Search Terms
high speed fuse, semiconductor protection fuse, size 73 fuse, Protistor fuse, aR fuse, 630A fuse, 1250VAC fuse, 1300VAC fuse, striker fuse, industrial fuse, ceramic body fuse
| Manufacturer Part Number | D300843 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340334388 |
| Height | 149.4mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73UD13C630PA |
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