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MERSEN FUSE 6,921 CP AR 14.51 0040 FR14AR69V40T

MPN: Y1056664

Alt. SKU: FR14AR69V40T

Special Price £15.23 £12.69 Regular Price £27.68

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MERSEN FUSE 6,921 CP AR 14.51 0040 FR14AR69V40T 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 40A With Striker FR14AR69V40T?

The FR14AR69V40T provides reliable, rapid circuit protection for semiconductor devices, offering a high breaking capacity of 690VAC at 40A in an industry-standard 14x51 mm format. Its aR characteristic ensures effective protection against short-circuit conditions, minimising downtime and safeguarding critical installations.

Equipped with an integrated striker for remote indication, this fuse enables quick fault identification, streamlining maintenance and improving safety. Fully compliant with IEC standards, the Protistor® fuse is an optimal choice for demanding industrial power electronics and control systems.

Product Code: FR14AR69V40T

Key Benefits

  • High breaking capacity of 160 kA at 690VAC ensures superior short-circuit protection.
  • Rapid aR characteristic designed specifically for semiconductor protection.
  • Integrated striker indication system allows for fast and safe fault detection.
  • Compact 14x51 mm cylindrical design fits standard fuse holders with clip mounting.
  • Silver-plated copper terminals provide reliable and low-resistance connections.
  • Ceramic body offers excellent thermal and mechanical durability.
  • Complies with IEC standards and RoHS directives for environmental safety.

Compatibility

This fuse is compatible with industrial power electronics, semiconductor devices, and control systems requiring high-speed protection. It fits standard 14x51 mm fuse clips and is suitable for use in systems operating at up to 690VAC with a 40A rating.

Applications

  • Protection of semiconductor devices such as thyristors and diodes.
  • Industrial power electronics and motor drives.
  • Control and automation systems requiring fast-acting fuses.
  • Renewable energy systems including solar inverters.
  • General industrial electrical installations needing high-speed circuit protection.

Technical Specifications

  • Item number: Y1056664
  • Catalogue No: FR14AR69V40T
  • Description: High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 40A With Striker
  • EAN/UPC Code: 3605340592771
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 40 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 14x51
  • Mounting: Clip
  • Clearing I2t At Rated Voltage: 850 A²s
  • Melting I2t: 129.6 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: 9.2 W

Frequently Asked Questions

What does the aR characteristic mean for this fuse?

The aR characteristic indicates a high-speed fuse designed specifically for protecting semiconductor devices by clearing short-circuits rapidly while allowing normal operational currents.

Is the FR14AR69V40T fuse RoHS compliant?

Yes, this fuse is RoHS compliant, ensuring it meets environmental and safety standards by restricting hazardous substances.

Can this fuse be used in DC circuits?

This particular fuse is rated for AC applications only, as indicated by its 690 V AC IEC rating and AC characteristic.

What is the purpose of the striker indication system?

The integrated striker provides a mechanical indication of fuse operation, allowing remote or visual fault detection to facilitate maintenance and improve safety.

Common Search Terms

High-speed fuse, semiconductor protection fuse, 14x51 fuse, Protistor fuse, 690VAC fuse, 40A fuse, aR fuse, cylindrical fuse with striker, industrial fuse, IEC fuse size 14x51

More Information
Manufacturer Part Number Y1056664
Packed Quantity 10
Barcode 3605340592771
Height 51mm
Width 14.3mm
Depth 14.3mm
HS Code 85361050
Country of Manufacture Tunisia
Manufacturer Mersen
Alternative Product SKU FR14AR69V40T
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