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MERSEN FUSE 10 URD 73 D11 A 0900 10URD73D11A0900

MPN: K300573

Alt. SKU: PC73UD10C900D1A

Special Price £187.18 £155.98 Regular Price £340.32

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Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 1000VAC IEC 1100VAC UL 900A With Striker DIN 110 Blades PC73UD10C900D1A?

This high-speed fuse delivers reliable protection for demanding power electronics, rated at 1000VAC (IEC) and 1100VAC (UL) with a 900A current rating. Its square body design, DIN 110 blades, and integrated striker ensure robust, rapid response in critical industrial environments.

Engineered for minimal let-through energy and exceptional cycling endurance, it supports safe, efficient operation of inverters, drives, and semiconductor devices. Compliant with IEC and UL standards, this fuse offers dependable performance and straightforward installation for your protection systems.

Technical Specifications

  • Item number: K300573
  • Catalogue No: PC73UD10C900D1A
  • Description: Square Body High-Speed Fuse Protistor® Size 73 aR 1000VAC IEC 1100VAC UL 900A With Striker DIN 110 Blades
  • EAN/UPC Code: 3605340330502
  • Rated voltage AC UL: 1100 V
  • Rated voltage AC IEC: 1000 V
  • Ampere Rating: 900 A
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 73
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 1440 kA²s
  • Melting I2t: 250 kA²s
  • AC Max I.R./Breaking Capacity: I1: 167 kA
  • Indication System: Yes
  • Indication System Type: Striker
  • Connection/Terminal Material: Silver-Plated Copper
  • Connection/Terminal Type: DIN 110 Blades
  • Product Width: 73 mm
  • Product Length: 133.4 mm
  • Product Height: 78.5 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 3.36 kg
  • Sell Pack Width: 150 mm
  • Sell Pack Length: 250 mm
  • Sell Pack Height: 90 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 1.12 kg
  • Power Dissipation at Rated Current Value: 170 W

Product Code: K300573

Key Benefits

  • High-speed protection for semiconductor devices and power electronics.
  • Rated for high voltages: 1000VAC (IEC) and 1100VAC (UL).
  • Robust square body design with ceramic insulating material for durability.
  • Integrated striker indication system for easy fuse status monitoring.
  • Silver-plated copper DIN 110 blade terminals ensuring reliable connections.
  • Exceptional breaking capacity of 167 kA for enhanced safety.
  • Designed for bolted mounting for secure installation.

Compatibility

This fuse is compatible with a wide range of industrial power electronics including inverters, variable frequency drives, and semiconductor protection circuits. It is designed to fit DIN 110 blade holders and can be integrated into systems requiring bolted mounting for secure connections.

Applications

  • Protection of power semiconductors such as IGBTs and thyristors.
  • Inverter and drive protection in industrial automation.
  • Power supply and distribution systems requiring high-speed fuse protection.
  • Renewable energy systems including solar and wind power inverters.
  • General industrial electrical equipment needing reliable overcurrent protection.

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 interrupting short-circuit currents quickly to protect sensitive electronic components.

Can this fuse be used in DC applications?

This particular fuse is rated for AC applications only, as indicated in the technical specifications. For DC applications, a fuse with a suitable DC rating should be selected.

How does the striker indication system work?

The striker indication system provides a mechanical indication when the fuse has operated (blown), allowing for quick visual identification without removing the fuse from the holder.

Is this fuse compliant with international standards?

Yes, this fuse complies with IEC and UL standards, ensuring it meets rigorous safety and performance requirements for global industrial use.

Common Search Terms

high-speed fuse, semiconductor protection fuse, aR fuse, 900A fuse, 1000VAC fuse, 1100VAC fuse, DIN 110 blade fuse, Protistor fuse, industrial fuse, power electronics fuse

More Information
Manufacturer Part Number K300573
Packed Quantity 1
Barcode 3605340330502
Height 133.4mm
Width 73mm
Depth 78.5mm
HS Code 85361090
Manufacturer Mersen
Alternative Product SKU PC73UD10C900D1A
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