MERSEN FUSE H 729P BCKUP VDE192-65/63 M1000235

MERSEN FUSE H 729P BCKUP VDE192-65/63 M1000235

Mersen M1000235 Limitor PD DIN high voltage back-up fuse-link for transformer protection, rated 7.2 kV AC and 63 A with an 80 N thermal striker.

SKU: M1000235Alt SKU: 45DB72V63PDMPN: M1000235
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List Price £133.30 ex VAT
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Why Choose the Mersen M1000235 High Voltage Transformer Fuse?

The Mersen M1000235 is a premium Limitor®-PD DIN high voltage back-up fuse-link designed to provide dependable short-circuit protection for medium voltage transformers. Manufactured in accordance with IEC 60282-1 and VDE 0670 T402, it forms part of Mersen's trusted Limitor®-PD range, delivering reliable transformer protection for utility, industrial and infrastructure applications.

Constructed using pure silver fuse elements, silver-coated copper end caps and a durable ceramic body, the M1000235 provides excellent electrical performance and long service life. Its integrated 80 N thermal striker enables dependable operation with compatible switchgear, helping provide rapid fault indication and isolation.

With a rated voltage of 7.2 kV AC, a rated current of 63 A and compact dimensions of 65 mm diameter × 192 mm length, the Mersen M1000235 is ideal for protecting distribution transformers against damaging short-circuit currents whilst maintaining reliable operation of medium voltage electrical systems.

Key Advantages

  • High voltage DIN back-up fuse-link for transformer protection.
  • 7.2 kV AC rated voltage.
  • 63 A rated current.
  • Designed to IEC 60282-1 and VDE 0670 T402.
  • High fault interruption capability.
  • Integrated 80 N thermal striker.
  • Pure silver fuse elements with ceramic body construction.
  • Suitable for medium voltage transformer and switchgear applications.

Key Features

  • Mersen Limitor®-PD back-up fuse series.
  • Catalogue number: 45DB72V63PD.
  • 7.2 kV AC rated voltage.
  • 63 A current rating.
  • 65 mm diameter × 192 mm length.
  • DIN medium voltage fuse construction.
  • 80 N thermal striker.
  • Ceramic body with silver-coated copper end caps.
  • Pure silver fuse elements.
  • Designed for transformer short-circuit protection.

Reliable Protection for Medium Voltage Transformers

The Mersen M1000235 is engineered to interrupt high prospective short-circuit currents before they can damage transformers and associated medium voltage equipment. Its current-limiting characteristics help reduce thermal and mechanical stress, improving system reliability and reducing equipment downtime.

Designed for installation within medium voltage switchgear, the Limitor®-PD range combines dependable electrical performance with robust mechanical construction, making it well suited to utility substations, industrial installations and OEM transformer protection systems.

Typical Applications

  • Medium voltage transformer protection.
  • Utility substations.
  • Industrial power distribution systems.
  • Medium voltage switchgear.
  • Electrical infrastructure projects.
  • Renewable energy installations.
  • Commercial power distribution equipment.

Technical Specifications

Manufacturer Mersen
Series Limitor®-PD Back-up Fuses
Model M1000235
Catalogue number 45DB72V63PD
Product type High voltage DIN back-up fuse-link
Application Transformer protection
Rated voltage 7.2 kV AC
Rated current 63 A
Voltage type AC
Fuse diameter 65 mm
Fuse length 192 mm
Thermal striker 80 N
Body material Ceramic
Fuse element Pure silver
End caps Silver-coated copper
Standards IEC 60282-1, VDE 0670 T402
EAN 3605340455991
RoHS compliant Yes
HS Code 85351000
Country of Manufacture Hungary
Device Type Fuse link
Fuse Type High voltage
Current 63 A
Voltage 7200 V

Frequently Asked Questions

What is the Mersen M1000235 used for?

The Mersen M1000235 is a DIN high voltage back-up fuse-link designed to protect medium voltage transformers against damaging short-circuit currents.

What voltage is the M1000235 rated for?

The fuse has a rated operating voltage of 7.2 kV AC.

What current rating does this fuse have?

The Mersen M1000235 has a continuous current rating of 63 A.

Does this fuse include a striker?

Yes. It incorporates an integrated 80 N thermal striker for operation with compatible medium voltage switchgear.

What are the dimensions of the fuse?

The fuse has a nominal diameter of 65 mm and a fuse-link length of 192 mm.

Trusted by Utilities and Electrical Engineers Worldwide

Mersen Limitor®-PD high voltage fuse-links are trusted worldwide to provide dependable transformer protection and reliable interruption of high fault currents in medium voltage electrical systems.

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