MERSEN FUSE H 2409P BCKUP 442-56/4 45DB240V4P

MERSEN FUSE H 2409P BCKUP 442-56/4 45DB240V4P

Mersen C1000111 Limitor-P high voltage DIN back-up fuse rated 24 kV AC and 4 A for transformer protection.

SKU: C1000111Alt SKU: 45DB240V4PMPN: C1000111
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List Price £84.91 ex VAT
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Why Choose the Mersen C1000111 High Voltage DIN Back-up Fuse?

The Mersen C1000111 is a premium Limitor®-P high voltage DIN back-up fuse-link engineered to provide reliable transformer protection in medium voltage electrical distribution systems. Manufactured in accordance with IEC 60282-1, this fuse-link is designed to interrupt high short-circuit currents quickly and safely, helping protect transformers, switchgear and associated electrical equipment from damage.

Manufactured using pure silver fuse elements, silver-plated copper end caps and a robust ceramic body, the C1000111 delivers dependable electrical performance, excellent current limiting characteristics and a long operational life. The integrated 80 N striker enables reliable operation with compatible medium voltage switchgear and protection systems.

With a 24 kV AC voltage rating, 4 A current rating and 56 mm diameter × 442 mm length construction, the Mersen C1000111 is ideally suited for transformer protection in substations, industrial installations and utility power distribution networks.

Key Advantages

  • Designed specifically for medium voltage transformer protection.
  • Manufactured in accordance with IEC 60282-1.
  • 24 kV AC rated voltage.
  • 4 A current rating.
  • Integrated 80 N striker for compatible switchgear.
  • Excellent current limiting performance.
  • Pure silver fuse elements provide dependable electrical characteristics.
  • Robust ceramic construction for demanding industrial environments.

Key Features

  • Manufacturer: Mersen.
  • Series: Limitor®-P.
  • Part number: C1000111.
  • Catalogue number: 45DB240V4P.
  • Rated voltage: 24 kV AC.
  • Rated current: 4 A.
  • Fuse dimensions: 56 mm diameter × 442 mm length.
  • DIN high voltage back-up fuse for transformer protection.
  • Standard 80 N striker.
  • Ceramic body with silver-plated copper terminals.

Reliable Protection for Medium Voltage Networks

The Limitor®-P range has been developed to provide dependable protection for transformers against damaging short-circuit currents whilst maintaining excellent current limiting performance. Premium construction materials and precision manufacturing help maximise operational reliability and equipment life in demanding electrical distribution applications.

The C1000111 is suitable for installation in transformer switchgear, substations, industrial facilities and OEM medium voltage equipment where reliable transformer protection is essential.

Typical Applications

  • Medium voltage transformers.
  • Electrical substations.
  • Industrial switchgear.
  • Utility distribution networks.
  • Power distribution systems.
  • OEM medium voltage equipment.

Technical Specifications

Voltage 240 V
Manufacturer Mersen
Series Limitor®-P
Model C1000111
Catalogue number 45DB240V4P
Product type High voltage DIN back-up fuse
Application Transformer protection
Rated voltage 24 kV AC
Rated current 4 A
Standard IEC 60282-1
Fuse size 56 mm × 442 mm
Body material Ceramic
Fuse element Pure silver
Terminal material Silver-plated copper
Striker Standard 80 N
Mounting DIN high voltage fuse installation
HS Code 85351000
Device Type Fuse link
Fuse Type High voltage
Current 4 A

Frequently Asked Questions

What is the Mersen C1000111 used for?

The C1000111 is a high voltage DIN back-up fuse designed to protect transformers and medium voltage electrical equipment against high short-circuit currents.

What are the electrical ratings?

This fuse is rated for 24 kV AC operation with a 4 A current rating.

Does the fuse include a striker?

Yes. The fuse incorporates a standard 80 N striker for operation with compatible medium voltage switchgear.

What materials are used in its construction?

The fuse uses pure silver fuse elements, silver-plated copper terminals and a durable ceramic body for long-term reliability.

Which standard does this fuse comply with?

The C1000111 is manufactured in accordance with IEC 60282-1 for high voltage DIN back-up fuse-links.

Trusted for Medium Voltage Protection

Mersen Limitor®-P high voltage fuse-links are trusted worldwide by utilities, panel builders and industrial engineers for dependable transformer protection and reliable medium voltage electrical distribution.

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