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MERSEN FUSE 9 URD 71 TT F 0800 Z300862

MPN: Z300862

Alt. SKU: PC71UD90V800TF

Special Price £134.48 £112.07 Regular Price £244.52

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MERSEN FUSE 9 URD 71 TT F 0800 Z300862 is available to buy in increments of 3
Free delivery on orders over £200

Why Choose the Square Body High-Speed Fuse Protistor® Size 71 aR 900VAC IEC 950VAC UL 800A With Striker Flush Ends Metric Threads PC71UD90V800TF?

The PC71UD90V800TF high-speed fuse offers superior protection for power semiconductor devices, supporting high fault current interruption at up to 900VAC (IEC) and 950VAC (UL) with an 800A rating. Its square body design ensures consistent thermal performance and mechanical robustness, making it ideal for demanding industrial applications.

Equipped with striker indication and flush end caps with metric threads, this Protistor® model guarantees convenient integration, reliable operation, and rapid fault identification within modern electrical systems.

Technical Specifications

  • Item number: Z300862
  • Catalogue No: PC71UD90V800TF
  • Description: Square Body High-Speed Fuse Protistor® Size 71 aR 900VAC IEC 950VAC UL 800A With Striker Flush ends metric threads
  • EAN/UPC Code: 3605340334609
  • Rated voltage AC UL: 950 V
  • Rated voltage AC IEC: 900 V
  • Ampere Rating: 800 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 71
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 1540 kA²s
  • Melting I2t: 290 kA²s
  • AC Max I.R./Breaking Capacity: I1: 150 kA
  • Indication System: Yes
  • Indication System Type: Striker
  • Connection/Terminal Material: Silver-Plated Brass
  • Connection/Terminal Type: Flush ends
  • Product Width: 51 mm
  • Product Length: 74 mm
  • Product Height: 56.5 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 1.545 kg
  • Sell Pack Width: 90 mm
  • Sell Pack Length: 170 mm
  • Sell Pack Height: 70 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.515 kg
  • Power Dissipation at Rated Current Value: 116 W

Product Code: Z300862

Key Benefits

  • High fault current interruption capacity up to 950VAC (UL) and 900VAC (IEC).
  • Reliable protection for power semiconductor devices with 800A rating.
  • Square body design ensures consistent thermal and mechanical performance.
  • Striker indication system for rapid fault identification.
  • Flush end caps with metric threads for secure and easy installation.
  • Silver-plated brass terminals for excellent conductivity and corrosion resistance.
  • Ceramic insulating body for durability and heat resistance.

Compatibility

This fuse is compatible with bolted mounting systems designed for size 71 semiconductor protection fuses. It integrates seamlessly into industrial electrical panels and power semiconductor circuits requiring high-speed aR characteristics and rated for voltages up to 950VAC UL and 900VAC IEC standards.

Applications

  • Protection of power semiconductor devices such as thyristors, diodes, and transistors.
  • Industrial motor drives and variable speed drives.
  • Power supply units and inverters.
  • Renewable energy systems including solar and wind power converters.
  • High-power electrical installations requiring fast-acting fuse protection.

Frequently Asked Questions

What does the 'aR' characteristic mean for this fuse?

The 'aR' characteristic indicates that the fuse is a high-speed semiconductor fuse designed to protect power electronics by interrupting short-circuit currents rapidly, minimising damage to sensitive components.

Can this fuse be used in 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 indication system provides a mechanical signal when the fuse has blown, allowing for quick and safe identification of a fault without disassembling the panel.

Is this fuse RoHS compliant?

Yes, the PC71UD90V800TF fuse is RoHS compliant, ensuring it meets environmental and safety standards.

Common Search Terms

high-speed fuse, semiconductor protection fuse, Protistor fuse, size 71 fuse, 800A fuse, 900VAC fuse, 950VAC fuse, striker indication fuse, bolted fuse, ceramic body fuse, aR characteristic fuse

More Information
Manufacturer Part Number Z300862
Packed Quantity 3
Barcode 3605340334609
Height 74mm
Width 51mm
Depth 56.5mm
HS Code 85361090
Manufacturer Mersen
Alternative Product SKU PC71UD90V800TF
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