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MERSEN FUSE 9 URD 73 EF 1000 PC73UD90V10CEF

MPN: F300638

Alt. SKU: PC73UD90V10CEF

Special Price £193.48 £161.23 Regular Price £351.77

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Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 900VAC IEC 1000VAC UL 1000A With Striker Open Slot Blades PC73UD90V10CEF?

Engineered for superior circuit protection in demanding industrial applications, this high-speed Protistor® fuse delivers reliable performance at up to 1000A and 1000VAC. Its aR-class characteristics ensure rapid fault interruption, safeguarding sensitive power electronics and minimising costly downtime.

The integrated striker provides immediate visual and remote fuse status indication, while open slot blades enable straightforward installation and secure connections. Rigorously certified to IEC and UL standards, this fuse is ideal for high-capacity drives, UPS systems, and critical power protection requirements.

Product Code: F300638

Key Benefits

  • High-speed aR characteristic ensures rapid fault clearance to protect sensitive equipment.
  • Rated for up to 1000A and 1000VAC for high-capacity industrial applications.
  • Integrated striker provides clear visual and remote indication of fuse status.
  • Open slot blade terminals facilitate easy installation and secure connections.
  • Ceramic body construction offers excellent durability and thermal performance.
  • Certified to IEC and UL standards for reliable and safe operation.

Compatibility

This fuse is compatible with Size 73 fuse holders and bolted mounting systems designed for semiconductor protection fuses. It is suitable for integration into high-capacity drives, uninterruptible power supplies (UPS), and other industrial power protection equipment requiring aR-class high-speed fuses.

Applications

  • High-capacity motor drives and inverters
  • Uninterruptible Power Supply (UPS) systems
  • Power semiconductor protection
  • Industrial control panels and switchgear
  • Renewable energy systems and power distribution

Technical Specifications

  • Item number: F300638
  • Catalogue No: PC73UD90V10CEF
  • Description: Square Body High-Speed Fuse Protistor® Size 73 aR 900VAC IEC 1000VAC UL 1000A With Striker Open Slot Blades
  • EAN/UPC Code: 3605340331431
  • Rated voltage AC UL: 1000 V
  • Rated voltage AC IEC: 900 V
  • Ampere Rating: 1000 A
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 73
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 1920 kA²s
  • Melting I2t: 370 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: 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: 174 W

Frequently Asked Questions

What does the aR rating mean for this fuse?

The aR rating indicates it is a partial range high-speed fuse designed primarily for semiconductor protection, capable of interrupting short-circuit currents quickly while allowing low overload currents to pass without nuisance tripping.

Is this fuse suitable for DC applications?

No, this particular fuse is rated for AC applications only, as specified in the technical specifications.

How does the striker indication system work?

The striker provides a mechanical indication when the fuse has operated, which can be used for both visual inspection and remote signalling to alert maintenance personnel of a blown fuse.

Can this fuse be used in renewable energy systems?

Yes, it is suitable for use in renewable energy power distribution systems where high-speed semiconductor protection is required.

Common Search Terms

High speed fuse, aR fuse, Protistor fuse, Size 73 fuse, 1000A fuse, 1000VAC fuse, semiconductor protection fuse, striker fuse, open slot blade fuse, industrial fuse, bolted fuse, ceramic body fuse

More Information
Manufacturer Part Number F300638
Packed Quantity 1
Barcode 3605340331431
Height 149.4mm
Width 73mm
Depth 78.5mm
HS Code 85361090
Manufacturer Mersen
Alternative Product SKU PC73UD90V10CEF
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