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MERSEN FUSE 9 URD 73 PA 1100 Q302717
MPN: Q302717
Alt. SKU: PC73UD90V11CPA
Special Price
£193.48
£161.23
Regular Price
£351.77
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 900VAC IEC 1000VAC UL 1100A With Striker Plain Blades PC73UD90V11CPA?
The PC73UD90V11CPA high-speed fuse offers exceptional protection for power semiconductor devices in demanding industrial applications, with rapid interruption capability up to 1100A and maximum voltage ratings of 900VAC (IEC) and 1000VAC (UL). Its robust square body design ensures reliable performance and mechanical integrity under high fault conditions.
Equipped with striker and plain blade terminations for straightforward installation and clear status indication, this Protistor® fuse meets rigorous international safety standards, providing dependable circuit protection and minimising downtime in critical systems.
Technical Specifications
- Item number: Q302717
- Catalogue No: PC73UD90V11CPA
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 900VAC IEC 1000VAC UL 1100A With Striker Plain Blades
- EAN/UPC Code: 3605340443691
- Rated voltage AC UL: 1000 V
- Rated voltage AC IEC: 900 V
- Ampere Rating: 1100 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 73
- Mounting: Clip
- Clearing I2t At Rated Voltage: 2280 kA²s
- Melting I2t: 445 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: 208 W
Product Code: PC73UD90V11CPA
Key Benefits
- High-speed interruption for effective semiconductor protection
- Robust ceramic square body ensures mechanical durability
- Striker indication system provides clear fuse status
- Silver-plated copper plain blade terminals for reliable connections
- Meets international IEC and UL voltage standards for versatile use
- High breaking capacity up to 150 kA for enhanced safety
Compatibility
This fuse is compatible with Size 73 fuse clips and holders designed for aR characteristic fuses. It is suitable for use in industrial power semiconductor circuits requiring AC voltage ratings up to 1000V (UL) and 900V (IEC). Ensure the mounting clip and panel cutouts match the fuse dimensions for proper installation.
Applications
- Protection of power semiconductors such as thyristors and diodes
- Industrial motor drives and inverter circuits
- Power supply units and rectifiers
- Renewable energy systems including solar inverters
- High-speed circuit protection in manufacturing equipment
Frequently Asked Questions
What does the aR speed/characteristic mean?
The aR characteristic indicates a high-speed fuse designed for semiconductor protection, capable of quickly interrupting fault currents to protect sensitive components.
Can this fuse be used in DC circuits?
No, this specific fuse is rated for AC applications only, as indicated in the technical specifications.
What is the function of the striker indication system?
The striker provides a visual indication when the fuse has operated (blown), allowing for quick identification and replacement.
Is this fuse compatible with standard Size 73 holders?
Yes, it is designed to fit Size 73 fuse clips and holders with plain blade terminals.
Common Search Terms
High-speed fuse, Protistor fuse, Size 73 fuse, semiconductor protection fuse, 1100A fuse, 900VAC fuse, 1000VAC fuse, aR fuse, striker fuse, industrial fuse, ceramic body fuse, plain blade fuse
| Manufacturer Part Number | Q302717 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340443691 |
| Height | 149.4mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73UD90V11CPA |
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