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MERSEN FUSE H 2409P BCKUP T VDE442-56/20 J1000278

MPN: J1000278

Alt. SKU: 45DB240V20PTD

Special Price £82.46 £68.72 Regular Price £108.47

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Why Choose the High Voltage DIN Back-up Fuse for Transformer Limitor® VDE T402 24kVAC IEC 20A d56mm, L442mm With Thermal Striker 80N 45DB240V20PTD?

Engineered for reliable protection in high-voltage transformer applications, this back-up fuse is VDE T402 certified for use up to 24kVAC and complies with IEC standards. With a rated current of 20A, robust d56mm diameter and 442mm length, it ensures secure fit and superior fault interruption.

The integrated 80N thermal striker delivers immediate and dependable disconnect signalling for downstream equipment safety. Designed for industrial performance and long service life, this fuse is an optimal solution for safeguarding critical transformer circuits.

Product Code: J1000278

Key Benefits

  • Certified to VDE T402 and IEC standards ensuring high reliability and safety.
  • High breaking capacity of 65 kA for effective fault interruption.
  • Integrated 80N thermal striker provides clear indication of fuse operation.
  • Robust ceramic body for durability and long service life.
  • Silver-plated copper cylindrical terminals ensure excellent electrical connectivity.
  • Compact design with 56 mm diameter and 442 mm length for easy installation.

Compatibility

This fuse is compatible with transformer Limitor® systems requiring VDE T402 certified back-up fuses up to 24 kVAC. It fits DIN mounting clips and is suitable for use in high voltage IEC fuse applications where a 20A rated current is specified.

Applications

  • Protection of high voltage transformers in industrial power distribution.
  • Backup fuse for transformer Limitor® devices in electrical substations.
  • Fault current interruption in medium to high voltage AC circuits.
  • Use in electrical panels requiring VDE T402 certified fuses.

Frequently Asked Questions

What is the rated voltage and current of this fuse?

The fuse is rated for 24 kVAC and 20A current, suitable for high voltage transformer protection.

Does this fuse include an indication system?

Yes, it features a striker type indication system with an 80N thermal striker for clear operation signalling.

What materials are used in the fuse construction?

The fuse body is made of ceramic for durability, and the terminals are silver-plated copper with cylindrical type connection.

Is this fuse suitable for DC applications?

No, this fuse is designed specifically for AC applications as per its technical specifications.

Common Search Terms

High voltage fuse, DIN back-up fuse, transformer fuse, VDE T402 fuse, IEC 20A fuse, thermal striker fuse, 24kV fuse, ceramic body fuse, electrical protection fuse, industrial transformer fuse.

Technical Specifications

  • Item number: J1000278
  • Catalogue No: 45DB240V20PTD
  • Description: High Voltage DIN Back-up fuse for Transformer Limitor® VDE T402 24kVAC IEC 20A d56mm, L442mm With Thermal Striker 80N
  • EAN/UPC Code: 3605340455946
  • Rated voltage AC IEC: 24 kV
  • Ampere Rating: 20 A
  • AC or DC: AC
  • Fuse Size: d=56mm L=442mm
  • Mounting: Clip
  • Clearing I2t At Rated Voltage: 3.9 kA²s
  • AC Max I.R./Breaking Capacity: I1: 65 kA
  • Min Interrupting Rating (MBC): 91 A
  • Design Details: VDE T402
  • Indication System: Yes
  • Indication System Type: Striker
  • Connection/Terminal Material: Silver-Plated Copper
  • Connection/Terminal Type: Cylindrical
  • Product Diameter: 56 mm
  • Product Length: 508 mm
  • Sell Pack Quantity: 1 EA
  • Sell Pack Weight: 2.4 kg
  • Sell Pack Width: 65 mm
  • Sell Pack Length: 540 mm
  • Sell Pack Height: 60 mm
  • Product group: High Voltage IEC Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 2.4 kg
  • Power Dissipation at Rated Current Value: 53 W
More Information
Manufacturer Part Number J1000278
Packed Quantity 1
Barcode 3605340455946
Height 508mm
Width 56mm
Depth 56mm
HS Code 85351000
Country of Manufacture Hungary
Manufacturer Mersen
Alternative Product SKU 45DB240V20PTD
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