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MERSEN FUSE 12 URD 73 PA 0700 B301784
MPN: B301784
Alt. SKU: PC73UD12C700PA
Special Price
£171.23
£142.69
Regular Price
£311.33
MERSEN FUSE 12 URD 73 PA 0700 B301784 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 1200VAC IEC 1300VAC UL 700A With Striker Plain Blades PC73UD12C700PA?
This high-speed fuse delivers reliable short-circuit protection for power semiconductor devices, rated up to 1200VAC (IEC) and 1300VAC (UL) with a robust 700A current rating. Designed for critical industrial applications, it ensures fast fault interruption to minimise equipment downtime and damage.
The square body design with striker and plain blades enables easy integration into standard fuse holders, while compliance with IEC and UL standards guarantees global acceptance and consistent performance. Ideal for drives, UPS, and power conversion systems requiring stringent protection and operational safety.
Technical Specifications
- Item number: B301784
- Catalogue No: PC73UD12C700PA
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 1200VAC IEC 1300VAC UL 700A With Striker Plain Blades
- EAN/UPC Code: 3605340346572
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1200 V
- Ampere Rating: 700 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 73
- Mounting: Clip
- Clearing I2t At Rated Voltage: 900 kA²s
- Melting I2t: 110 kA²s
- AC Max I.R./Breaking Capacity: I1: 150 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: 146 W
Product Code: B301784
Key Benefits
- Fast and reliable short-circuit protection for semiconductor devices
- High breaking capacity of 150 kA ensures safety under fault conditions
- Striker indication system provides clear visual fault indication
- Robust ceramic body for enhanced durability and insulation
- Silver-plated copper terminals ensure excellent conductivity and corrosion resistance
- Compliance with IEC and UL standards for global compatibility
- Easy clip mounting with plain blade terminals for straightforward installation
Compatibility
This fuse is compatible with standard size 73 fuse holders and is suitable for integration into power semiconductor protection circuits, including drives, UPS systems, and power converters. It supports AC voltages up to 1300V UL and 1200V IEC, making it suitable for a wide range of industrial electrical equipment.
Applications
- Protection of power semiconductor devices such as thyristors and diodes
- Industrial motor drives and variable speed drives
- Uninterruptible Power Supplies (UPS) systems
- Power conversion and inverter systems
- Renewable energy systems including solar inverters
- General industrial electrical equipment requiring high-speed fuse protection
Frequently Asked Questions
What does the 'aR' speed characteristic mean?
The 'aR' rating indicates an ultra-rapid fuse designed specifically for protecting semiconductor devices by clearing short circuits quickly to prevent damage.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as indicated in the technical specifications.
How does the striker indication system work?
The striker system provides a mechanical indication by releasing a striker when the fuse blows, allowing for quick visual identification of a fault.
Is this fuse compliant with international standards?
Yes, it meets both IEC and UL standards for high-speed semiconductor protection fuses.
Common Search Terms
high-speed fuse, semiconductor protection fuse, size 73 fuse, aR fuse, 700A fuse, 1200VAC fuse, 1300VAC fuse, striker fuse, ceramic body fuse, industrial fuse, power semiconductor protection
| Manufacturer Part Number | B301784 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340346572 |
| Height | 149.4mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73UD12C700PA |
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