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MERSEN FUSE 6,921 CP GR 14.51 0004 FR14GR69V4T

MPN: E1017179

Alt. SKU: FR14GR69V4T

Special Price £9.07 £7.56 Regular Price £16.49

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MERSEN FUSE 6,921 CP GR 14.51 0004 FR14GR69V4T is available to buy in increments of 10
Free delivery on orders over £200

Why Choose the High-Speed Cylindrical Fuse Protistor® Size 14x51 gR 690VAC IEC 4A With Striker FR14GR69V4T?

The FR14GR69V4T is engineered for precise protection of power semiconductors, offering a gR class fuse with rapid response to overloads and short circuits up to 690VAC. Its compact 14x51 mm size ensures easy integration into demanding high-speed industrial applications.

Equipped with a built-in striker for reliable fuse status indication, this Protistor® fuse delivers consistent performance, full IEC compliance, and enhanced safety, making it ideal for critical equipment requiring maximum uptime.

Technical Specifications

  • Item number: E1017179
  • Catalogue No: FR14GR69V4T
  • Description: High-Speed Cylindrical Fuse Protistor® Size 14x51 gR 690VAC IEC 4A With Striker
  • EAN/UPC Code: 3605340506761
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 4 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: gR
  • Fuse Size: 14x51
  • Mounting: Clip
  • Clearing I2t At Rated Voltage: 13 A²s
  • Melting I2t: 6.7 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: 75 mm
  • Sell Pack Length: 104 mm
  • Sell Pack Height: 16 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.02 kg
  • Power Dissipation at Rated Current Value: 2.9 W

Product Code: FR14GR69V4T

Key Benefits

  • Fast-acting gR characteristic ensures rapid protection of sensitive semiconductor devices.
  • Built-in striker provides clear and reliable fuse status indication for maintenance efficiency.
  • Compact 14x51 mm size allows easy integration in tight industrial control panels.
  • High breaking capacity of 160 kA at 690 V AC enhances safety and system reliability.
  • Silver-plated copper terminals ensure excellent electrical conductivity and durability.
  • Ceramic body offers superior thermal and mechanical robustness.
  • RoHS compliant, supporting environmental and safety standards.

Compatibility

The FR14GR69V4T fuse is compatible with industrial semiconductor protection systems requiring IEC compliant gR class fuses. It fits fuse holders and clips designed for 14x51 mm cylindrical fuses and is suitable for use in AC circuits up to 690 V. The striker indication system integrates seamlessly with standard fuse monitoring equipment.

Applications

  • Protection of power semiconductors such as thyristors and diodes in industrial drives.
  • Use in inverter circuits and power converters requiring high-speed fuse protection.
  • Industrial automation systems demanding reliable and fast fuse response.
  • Critical equipment in manufacturing plants to ensure maximum uptime and safety.
  • Electrical panels and control cabinets in heavy industry environments.

Frequently Asked Questions

What does the gR characteristic mean for this fuse?

The gR characteristic indicates that the fuse is designed for semiconductor protection, providing fast-acting response to overloads and short circuits while allowing normal inrush currents typical in semiconductor devices.

Can this fuse be used in DC applications?

No, the FR14GR69V4T is specified for AC use only, with a rated voltage of 690 V AC. For DC applications, a fuse with appropriate DC ratings should be selected.

How does the striker indication system work?

The built-in striker mechanism activates when the fuse element melts, providing a mechanical indication that the fuse has blown, which aids in quick visual identification and replacement.

Is this fuse RoHS compliant?

Yes, the FR14GR69V4T is RoHS compliant, ensuring it meets environmental regulations restricting hazardous substances.

Common Search Terms

high-speed fuse, semiconductor protection fuse, 14x51 fuse, 690VAC fuse, gR fuse, Protistor fuse, fuse with striker, industrial fuse, power semiconductor protection, fast-acting fuse

More Information
Manufacturer Part Number E1017179
Packed Quantity 10
Barcode 3605340506761
Height 51mm
Width 14.3mm
Depth 14.3mm
HS Code 85361010
Country of Manufacture Tunisia
Manufacturer Mersen
Alternative Product SKU FR14GR69V4T
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