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MERSEN FUSE 6,921 CP AR 14.51 0063 FR14AR69V63T

MPN: A1056666

Alt. SKU: FR14AR69V63T

Special Price £15.62 £13.02 Regular Price £28.40

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MERSEN FUSE 6,921 CP AR 14.51 0063 FR14AR69V63T is available to buy in increments of 10
Free delivery on orders over £200

Why Choose the High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 63A With Striker FR14AR69V63T?

The FR14AR69V63T is engineered for rapid response and superior protection of power semiconductors, featuring a compact 14x51 mm cylindrical body and compliance with IEC 60269 standards. Designed for 690VAC applications, this aR-class fuse ensures reliable operation and minimises downtime in demanding industrial environments.

The integrated striker facilitates remote fuse indication and enhances safety by enabling straightforward status monitoring. With a 63A current rating, the Protistor® fuse is ideal for critical, high-performance circuits requiring consistent performance and dependable protection.

Technical Specifications

  • Item number: A1056666
  • Catalogue No: FR14AR69V63T
  • Description: High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 63A With Striker
  • EAN/UPC Code: 3605340592788
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 63 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 14x51
  • Mounting: Clip
  • Clearing I2t At Rated Voltage: 2600 A²s
  • Melting I2t: 428.6 A²s
  • AC Max I.R./Breaking Capacity: I1: 160 kA
  • Indication System: Yes
  • Indication System Type: Striker
  • Connection/Terminal Material: Silver-Plated Copper
  • Connection/Terminal Type: Ferrule
  • Product Diameter: 14.3 mm
  • Product Length: 51 mm
  • Sell Pack Quantity: 10 EA
  • Sell Pack Weight: 0.2 kg
  • Sell Pack Width: 73 mm
  • Sell Pack Length: 107 mm
  • Sell Pack Height: 15 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.02 kg
  • Power Dissipation at Rated Current Value: 14.3 W

Product Code: FR14AR69V63T

Key Benefits

  • Rapid response time for effective semiconductor protection
  • Compact 14x51 mm cylindrical design saves space
  • Integrated striker enables remote fuse status indication
  • High breaking capacity of 160 kA ensures safety in fault conditions
  • Silver-plated copper terminals provide reliable connections
  • Ceramic body offers excellent insulation and durability
  • Compliant with IEC 60269 standards for assured quality

Compatibility

This fuse is compatible with industrial electrical systems requiring a 690VAC rating and a 63A current capacity. It fits standard size 14x51 fuse holders with clip mounting and is suitable for use in semiconductor protection circuits where aR characteristic fuses are specified.

Applications

  • Protection of power semiconductors such as thyristors and diodes
  • Industrial motor drives and inverters
  • Power electronics and control systems
  • Renewable energy systems including solar inverters
  • High-performance industrial automation equipment

Frequently Asked Questions

What does the aR characteristic mean for this fuse?

The aR characteristic indicates that the fuse is designed for semiconductor protection with partial-range protection, meaning it protects against overloads and short circuits but allows certain inrush currents typical in semiconductor applications.

Can this fuse be used in DC applications?

No, this fuse is rated for AC applications only, as specified by the IEC 60269 standard and the product details.

What is the function of the integrated striker?

The integrated striker provides a mechanical indication of fuse operation and allows for remote signalling to alert maintenance personnel when the fuse has blown.

Is this fuse RoHS compliant?

Yes, the FR14AR69V63T fuse is RoHS compliant, ensuring it meets environmental and safety standards.

Common Search Terms

high-speed fuse, cylindrical fuse 14x51, Protistor fuse, semiconductor protection fuse, 690VAC fuse, 63A fuse with striker, aR fuse IEC, industrial fuse 14x51, power electronics fuse, rapid fuse protection

More Information
Manufacturer Part Number A1056666
Packed Quantity 10
Barcode 3605340592788
Height 51mm
Width 14.3mm
Depth 14.3mm
HS Code 85361050
Country of Manufacture Tunisia
Manufacturer Mersen
Alternative Product SKU FR14AR69V63T
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