Call Us Today
01706 242050
Trade Portal
MERSEN FUSE FUSIBLE FT6 24KV M1 TP240V6,3A231M1

MERSEN FUSE FUSIBLE FT6 24KV M1 TP240V6,3A231M1

Mersen B1005538 Limitor-P high voltage DIN back-up fuse for 24 kV transformer protection and medium voltage electrical distribution systems.

SKU: B1005538MPN: B1005538
Price
List Price £308.89 ex VAT
Your Price (ex VAT) Save 20%
£247.11 20% OFF
You save £61.78 per unit
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Sign up for a trade account Quick & easy setup
SUBTOTAL (EX VAT) £247.11
Trade pricing is personalised to your account

Manufacturer Lead Time

£247.11

Why Choose the Mersen B1005538 High Voltage DIN Back-up Fuse?

The Mersen B1005538 is a high quality Limitor®-P high voltage DIN back-up fuse-link developed to provide dependable protection for transformers and medium voltage electrical distribution equipment. Designed in accordance with IEC 60282-1, this fuse-link rapidly clears high fault currents, helping protect valuable electrical assets whilst maintaining excellent long-term reliability.

Manufactured using pure silver fuse elements, silver-plated copper end caps and a durable ceramic body, the B1005538 delivers excellent electrical performance, high breaking capacity and robust mechanical strength. An integrated striker enables dependable operation with compatible switchgear and transformer protection systems.

Described as a 24 kV FT6 high voltage fuse, the Mersen B1005538 is ideally suited to medium voltage transformer protection, switchgear installations and utility distribution systems where reliable short-circuit protection is essential.

Key Advantages

  • Designed for medium voltage transformer protection.
  • Manufactured in accordance with IEC 60282-1.
  • Suitable for 24 kV electrical systems.
  • High breaking capacity for dependable fault interruption.
  • Integrated striker for compatible switchgear.
  • Pure silver fuse elements provide reliable electrical performance.
  • Robust ceramic construction for demanding industrial environments.
  • Suitable for substations, switchgear and OEM equipment.

Key Features

  • Manufacturer: Mersen.
  • Part number: B1005538.
  • Series: Limitor®-P High Voltage Fuse.
  • Product type: DIN high voltage back-up fuse.
  • Rated voltage: 24 kV AC.
  • Designed for transformer protection.
  • High strength ceramic body.
  • Pure silver fuse elements.
  • Silver-plated copper terminals.
  • Integrated striker mechanism.

Reliable Protection for High Voltage Networks

Mersen Limitor® high voltage fuse-links are widely used to protect transformers and medium voltage equipment against damaging short-circuit currents. Their precision construction provides fast fault interruption whilst helping to minimise equipment damage and improve network reliability.

The B1005538 is suitable for installation within substations, industrial switchgear, transformer assemblies and OEM medium voltage equipment where dependable protection is essential.

Typical Applications

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

Technical Specifications

Voltage 240 V
Manufacturer Mersen
Model B1005538
Product type High voltage DIN back-up fuse
Series Limitor®-P
Application Transformer protection
Rated voltage 24 kV AC
Standard IEC 60282-1
Construction Ceramic body
Fuse element Pure silver
Terminal material Silver-plated copper
Mounting DIN high voltage fuse installation
Striker Integrated mechanical striker
Device Type Fuse link
Fuse Type High voltage

Frequently Asked Questions

What is the Mersen B1005538 used for?

The B1005538 is a high voltage DIN back-up fuse designed to protect transformers and medium voltage electrical equipment against short-circuit faults.

What voltage is this fuse designed for?

The B1005538 is designed for use on 24 kV AC medium voltage systems.

What type of protection does this fuse provide?

It provides dependable back-up protection against high fault currents within transformer and switchgear installations.

What materials are used in its construction?

The fuse incorporates pure silver fuse elements, silver-plated copper terminals and a robust ceramic body for long service life.

Which standard does this fuse comply with?

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

Trusted for High Voltage Protection

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

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

by | Aug 11, 2026 |

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

by | Jan 17, 2026 |

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

by | Jan 17, 2026 |

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...