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MERSEN FUSE 6,9 GRB 70 TTF 0063 6,9GRB70TTF0063

MPN: D301280

Alt. SKU: PC70GB69V63TF

Special Price £73.76 £61.47 Regular Price £134.12

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MERSEN FUSE 6,9 GRB 70 TTF 0063 6,9GRB70TTF0063 is available to buy in increments of 3
Free delivery on orders over £200

Why Choose the Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 63A With Striker Flush ends metric threads PC70GB69V63TF?

Engineered for reliability in demanding applications, this high-speed 63A fuse ensures precise circuit protection for power electronics and semiconductor devices operating up to 690VAC. The robust square body, integrated striker, and flush-end metric threads facilitate secure installation and rapid fault indication.

Compliant with IEC standards, it offers rapid response to overcurrents, minimising equipment damage and downtime. Select this fuse for superior performance, operational safety, and enhanced productivity in industrial environments.

Product Code: D301280

Key Benefits

  • High-speed gR characteristic ensures rapid fault clearing to protect sensitive semiconductor devices.
  • Robust ceramic body provides excellent insulation and mechanical strength.
  • Integrated striker indication system offers immediate visual fault detection.
  • Flush-end silver-plated brass terminals with metric threads enable secure and reliable bolted connections.
  • Complies with IEC standards for assured quality and performance.
  • High breaking capacity (150 kA) suitable for demanding industrial environments.

Compatibility

This fuse is compatible with industrial electrical systems requiring semiconductor protection at voltages up to 690VAC and currents up to 63A. It is designed for use in bolted fuse holders and switchgear assemblies that accept size 70 fuses with metric threaded flush ends.

Applications

  • Protection of power electronic devices such as thyristors and diodes.
  • Industrial motor drives and variable speed controllers.
  • Renewable energy systems including solar inverters and wind turbine converters.
  • Uninterruptible power supplies (UPS) and power distribution units.
  • General semiconductor circuit protection in manufacturing and automation equipment.

Technical Specifications

  • Item number: D301280
  • Catalogue No: PC70GB69V63TF
  • Description: Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 63A With Striker Flush ends metric threads
  • EAN/UPC Code: 3605340339192
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 63 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: gR
  • Fuse Size: 70
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 1600 A²s
  • Melting I2t: 266 A²s
  • 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: 39 mm
  • Product Length: 74 mm
  • Product Height: 46 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 1.017 kg
  • Sell Pack Width: 85 mm
  • Sell Pack Length: 133 mm
  • Sell Pack Height: 55 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.339 kg
  • Power Dissipation at Rated Current Value: 18 W

Frequently Asked Questions

What does the gR characteristic mean?

The gR characteristic indicates a high-speed fuse designed specifically for semiconductor protection, providing rapid interruption of overcurrents to prevent damage to sensitive components.

Can this fuse be used in DC applications?

No, this particular fuse is rated for AC applications only, as specified by its 690 V AC IEC rating.

How does the striker indication system work?

The striker indication system provides a mechanical signal by releasing a striker when the fuse blows, enabling quick visual or mechanical fault detection without disassembly.

What type of mounting is required for this fuse?

This fuse requires bolted mounting with compatible fuse holders that accept size 70 fuses with flush-end metric threaded terminals.

Common Search Terms

high-speed fuse 63A, semiconductor protection fuse, size 70 fuse, 690VAC fuse, gR fuse, Protistor fuse, fuse with striker indication, bolted fuse, ceramic fuse, power electronics protection

More Information
Manufacturer Part Number D301280
Packed Quantity 3
Barcode 3605340339192
Height 74mm
Width 39mm
Depth 46mm
HS Code 85361050
Country of Manufacture France
Manufacturer Mersen
Alternative Product SKU PC70GB69V63TF
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