MERSEN FUSE H 3609P BCKUP 537-88/63 K1000118

MERSEN FUSE H 3609P BCKUP 537-88/63 K1000118

Mersen K1000118 Limitor PD high voltage DIN back-up fuse rated at 36 kV AC and 63 A with an 80 N striker for transformer protection.

SKU: K1000118Alt SKU: 45DB360V63PDMPN: K1000118
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Why Choose the Mersen K1000118 High Voltage DIN Back-up Fuse?

The Mersen K1000118 is a premium DIN high voltage back-up fuse designed to provide dependable short-circuit protection for medium voltage transformers operating within electrical distribution systems. Part of the proven Mersen Limitor®-PD series, this fuse-link is engineered for reliable transformer protection in substations, switchgear and industrial power networks.

Manufactured in accordance with IEC 60282-1 and VDE 0670 T402, the K1000118 delivers excellent current-limiting performance while helping to minimise thermal and mechanical stress on transformers during fault conditions. Premium construction using pure silver fuse elements, silver-coated copper end caps and a ceramic body ensures dependable long-term operation.

With a rated voltage of 36 kV AC, a 63 A current rating and an integrated 80 N striker, the Mersen K1000118 is ideally suited for transformer protection in medium voltage distribution networks requiring high reliability and compliance with international standards.

Key Advantages

  • Designed specifically for medium voltage transformer protection.
  • 36 kV AC rated voltage for demanding electrical networks.
  • 63 A rated current for compatible transformer installations.
  • Integrated 80 N thermal striker for switchgear operation.
  • Current-limiting design reduces fault energy and equipment damage.
  • Manufactured to IEC 60282-1 and VDE 0670 T402 standards.

Key Features

  • Mersen Limitor®-PD high voltage DIN back-up fuse.
  • Catalogue number: 45DB360V63PD.
  • 36 kV AC rated voltage.
  • 63 A rated current.
  • 88 mm diameter × 537 mm length.
  • Integrated 80 N striker.
  • Ceramic body with pure silver fuse elements.
  • Designed for transformer protection applications.

Reliable Protection for Medium Voltage Transformers

High voltage back-up fuse-links rapidly interrupt high prospective fault currents before they can damage transformers, switchgear and associated distribution equipment. Their current-limiting characteristics help reduce both thermal and mechanical stresses, improving system reliability and extending equipment life.

The Mersen Limitor®-PD range has been developed for dependable transformer protection across utility, industrial and infrastructure applications, delivering proven performance in demanding medium voltage environments.

Typical Applications

  • Medium voltage transformer protection.
  • Electrical substations.
  • Medium voltage switchgear.
  • Industrial power distribution.
  • Utility distribution networks.
  • OEM medium voltage equipment.

Technical Specifications

Manufacturer Mersen
Series Limitor®-PD
Model K1000118
Catalogue number 45DB360V63PD
Product type High voltage DIN back-up fuse
Rated voltage 36 kV AC
Rated current 63 A
Frequency 50 / 60 Hz
Application Transformer protection
Fuse size Ø88 mm × 537 mm
Striker force 80 N
Body material Ceramic
Fuse element material Pure silver
End cap material Silver-coated copper
EAN 3605340452914
Standards IEC 60282-1, VDE 0670 T402
RoHS compliant Yes
HS Code 85351000
Country of Manufacture Hungary
Device Type Fuse link
Fuse Type High voltage
Current 63 A
Voltage 36000 V

Frequently Asked Questions

What is the Mersen K1000118 used for?

The K1000118 is designed to protect medium voltage transformers against damaging short-circuit currents in electrical distribution systems.

What voltage is this fuse rated for?

The fuse has a rated operating voltage of 36 kV AC.

What is the current rating?

The Mersen K1000118 has a continuous current rating of 63 A.

Does the K1000118 include a striker?

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

Which standards does this fuse comply with?

The fuse is manufactured in accordance with IEC 60282-1 and VDE 0670 T402 for high voltage transformer protection.

Trusted by Power Distribution Professionals

Mersen Limitor®-PD high voltage fuse-links are trusted worldwide by utilities, transformer manufacturers and electrical engineers for dependable current-limiting protection and reliable operation in medium voltage distribution systems.

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