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MERSEN FUSE 6,900 CP AR 14.51 0050 FR14AR69V50

MPN: S1027334

Alt. SKU: FR14AR69V50

Special Price £9.88 £8.23 Regular Price £17.96

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MERSEN FUSE 6,900 CP AR 14.51 0050 FR14AR69V50 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 50A FR14AR69V50?

Engineered for demanding industrial applications, this Protistor® fuse delivers rapid protection for sensitive power semiconductor devices, supporting safe and reliable operation in circuits rated up to 690VAC. Its aR characteristic ensures optimal response to overloads and short circuits, minimising potential downtime and equipment damage.

Manufactured to IEC standards and featuring a compact 14x51mm cylindrical body, it offers easy integration and consistent performance in high-speed protection systems. Rated at 50A, it is ideal for drives, UPS, and industrial power conversion equipment.

Product Code: FR14AR69V50

Key Benefits

  • High-speed aR characteristic for optimal semiconductor protection
  • Compact 14x51mm cylindrical design for easy integration
  • Rated for up to 690VAC ensuring versatility in industrial applications
  • Silver-plated copper terminals for reliable electrical connection
  • Ceramic body for enhanced durability and heat resistance
  • Compliant with IEC standards and RoHS regulations

Compatibility

This fuse is compatible with industrial power conversion equipment, including variable frequency drives, uninterruptible power supplies (UPS), and other semiconductor-based devices requiring high-speed protection at 50A and 690VAC ratings. It fits standard 14x51mm fuse holders with clip mounting.

Applications

  • Protection of power semiconductor devices in industrial drives
  • UPS system protection
  • Industrial power conversion and control equipment
  • Overload and short circuit protection in high-speed circuits

Technical Specifications

  • Item number: S1027334
  • Catalogue No: FR14AR69V50
  • Description: High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 50A
  • EAN/UPC Code: 3605340531480
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 50 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: aR
  • Fuse Size: 14x51
  • Mounting: Clip
  • Clearing I2t At Rated Voltage: 1500 A²s
  • Melting I2t: 241.1 A²s
  • AC Max I.R./Breaking Capacity: I1: 160 kA
  • 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: 107 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: 11.2 W

Frequently Asked Questions

What does the aR characteristic mean for this fuse?

The aR characteristic indicates that the fuse is a high-speed semiconductor protection fuse designed to clear short circuits and overloads quickly, protecting sensitive devices like power semiconductors.

Is this fuse suitable for DC applications?

No, this particular fuse is rated for AC applications only, as specified in the technical specifications.

Can this fuse be used in a 400V system?

Yes, since the fuse is rated up to 690VAC, it is suitable for use in 400V systems.

What type of mounting does this fuse require?

This fuse is designed for clip mounting in compatible fuse holders sized 14x51mm.

Common Search Terms

High-speed fuse, semiconductor protection fuse, 14x51 fuse, 690VAC fuse, 50 amp fuse, aR fuse, industrial fuse, Protistor fuse, IEC fuse, clip mount fuse

More Information
Manufacturer Part Number S1027334
Packed Quantity 10
Barcode 3605340531480
Height 51mm
Width 14.3mm
Depth 14.3mm
HS Code 85361050
Country of Manufacture Tunisia
Manufacturer Mersen
Alternative Product SKU FR14AR69V50
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