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MERSEN FUSE H 2409P BCKUP 442-78/100 D209349

MPN: D209349

Alt. SKU: 45DB240V100P

Special Price £157.61 £131.34 Regular Price £207.14

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Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T4 24kVAC IEC 100A d78mm, L442mm With Striker Standard 80N 45DB240V100P?

Engineered to deliver reliable protection, this high voltage DIN back-up fuse supports transformers up to 24kVAC with a robust 100A rating, meeting VDE T4 and IEC standards. Its 78mm diameter and 442mm length ensure compatibility with standard transformer installations.

The integrated 80N striker supplies dependable trip indication, enhancing safety and maintenance efficiency. Ideal for demanding industrial environments, this fuse offers low energy let-through and rapid fault interruption, safeguarding your equipment and ensuring operational continuity.

Product Code: D209349

Key Benefits

  • Reliable protection for transformers up to 24kVAC with 100A rating
  • Complies with VDE T4 and IEC standards for assured quality
  • Integrated 80N striker provides clear trip indication for safety
  • Low energy let-through minimises damage during faults
  • Robust ceramic body ensures durability in harsh environments
  • Silver-plated copper cylindrical terminals for excellent conductivity

Compatibility

This fuse is compatible with transformer Limitor® systems requiring VDE T4 rated fuses, designed for 24 kV AC applications. Its dimensions (78mm diameter, 442mm length) and clip mounting make it suitable for standard high voltage transformer installations adhering to IEC standards.

Applications

  • Protection of power transformers in industrial and utility networks
  • High voltage electrical distribution systems
  • Backup fuse for transformer Limitor® devices
  • Electrical substations requiring reliable fault interruption
  • Maintenance and safety enhancement in electrical infrastructure

Technical Specifications

  • Item number: D209349
  • Catalogue No: 45DB240V100P
  • Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T4 24kVAC IEC 100A d78mm, L442mm With Striker Standard 80N
  • EAN/UPC Code: 3605340218428
  • Rated voltage AC IEC: 24 kV
  • Ampere Rating: 100 A
  • AC or DC: AC
  • Fuse Size: d=78mm L=442mm
  • Mounting: Clip
  • Clearing I2t At Rated Voltage: 125 kA²s
  • AC Max I.R./Breaking Capacity: I1: 63 kA
  • Min Interrupting Rating (MBC): 430 A
  • Design Details: VDE T4
  • Indication System: Yes
  • Indication System Type: Striker
  • Connection/Terminal Material: Silver-Plated Copper
  • Connection/Terminal Type: Cylindrical
  • Product Diameter: 78 mm
  • Product Length: 508 mm
  • Sell Pack Quantity: 1 EA
  • Sell Pack Weight: 4.2 kg
  • Sell Pack Width: 70 mm
  • Sell Pack Length: 540 mm
  • Sell Pack Height: 70 mm
  • Product group: High Voltage IEC Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 4.2 kg
  • Power Dissipation at Rated Current Value: 400 W

Frequently Asked Questions

What is the primary function of this fuse?

This fuse provides backup protection for transformers, interrupting fault currents to prevent damage and ensure safety.

Is the striker indication system reliable?

Yes, the 80N striker offers a clear and dependable indication of fuse operation, simplifying maintenance checks.

Can this fuse be used in DC applications?

No, this fuse is designed specifically for AC applications up to 24 kV as per IEC standards.

What mounting options are available?

This product uses a clip mounting system suitable for standard transformer installations.

Common Search Terms

High voltage fuse, DIN back-up fuse, transformer fuse, VDE T4 fuse, 24kV fuse, 100A fuse, IEC fuse, striker indicator fuse, ceramic fuse, industrial electrical protection

More Information
Manufacturer Part Number D209349
Packed Quantity 1
Barcode 3605340218428
Height 508mm
Width 78mm
Depth 78mm
HS Code 85351000
Manufacturer Mersen
Alternative Product SKU 45DB240V100P
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