Call Us Today
01706 242050
Trade Portal
MERSEN FUSE 750C3 BTLM42V750

MERSEN FUSE 750C3 BTLM42V750

The BTLM42V750 fuse-link is a BS88 gG Type C3 fuse designed for industrial and commercial power distribution at 415VAC and 240VDC up to 750A with central bolted tag terminals.

SKU: BTLM42V750Alt SKU: BTLM42V750MPN: Q226334
Price
List Price £239.01 ex VAT
Your Price (ex VAT)
£239.01
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) £239.01
Trade pricing is personalised to your account

Manufacturer Lead Time

£239.01

Why Choose the Mersen BTLM42V750 BS88 Centre Bolted Tag Fuse?

The Mersen BTLM42V750 is a heavy-duty BS88 gG centre bolted tag fuse-link designed to provide dependable protection against overloads and short circuits in industrial low voltage power distribution systems. Manufactured in accordance with EN 60269-2 and BS88 Part 2, this fuse-link delivers outstanding protection for high-current electrical installations while ensuring reliable fault interruption.

As part of the trusted Mersen BTLM Centre Bolted Tag Fuse-Link range, the BTLM42V750 provides excellent current limiting characteristics that minimise thermal and mechanical stress during fault conditions, helping protect valuable switchgear and electrical equipment. Its centre bolted tag construction allows secure installation directly onto busbars, fuse holders and switch disconnectors.

Rated at 750 A with a 415 V AC / 240 V DC voltage rating, the BTLM42V750 is ideal for industrial switchboards, power distribution systems, motor control centres and OEM electrical equipment where dependable high-current protection is essential.

Key Advantages

  • Industrial BS88 gG centre bolted tag fuse-link.
  • 750 A current rating for high-current power distribution.
  • 415 V AC and 240 V DC rated voltage.
  • Excellent current limiting performance reduces equipment damage during faults.
  • Manufactured to EN 60269-2 and BS88 Part 2 standards.
  • Suitable for switchboards, busbars, power distribution and OEM equipment.

Key Features

  • Mersen BTLM centre bolted tag fuse-link series.
  • 750 A rated current.
  • 415 V AC / 240 V DC rated voltage.
  • gG general-purpose protection.
  • BS Type C3 centre bolted tag design.
  • 80 kA AC breaking capacity.
  • 40 kA DC breaking capacity.
  • Suitable for direct busbar mounting, fuse holders and switch-fuse units.

Reliable Protection for High Current Electrical Systems

The Mersen BTLM42V750 is designed to provide full-range protection against overloads and short circuits in industrial electrical distribution systems. Its gG operating characteristic offers dependable protection for cables, switchgear, transformers and general power distribution equipment while providing excellent current limitation during fault conditions.

Designed for demanding industrial environments, the BTLM series delivers dependable protection for critical electrical infrastructure while helping minimise downtime and maintenance costs.

Typical Applications

  • Industrial switchboards.
  • Main electrical distribution systems.
  • Busbar protection.
  • Power distribution equipment.
  • OEM electrical equipment.
  • Industrial control panels and infrastructure.

Technical Specifications

Item number Q226334
Catalogue No BTLM42V750
Description British Standard fuse-link IEC BS88 gG Type C3 415VAC 240VDC 750A BTLM Central Bolted Tag
EAN/UPC Code 3605340268119
Rated voltage AC IEC 415 V
Rated voltage DC IEC 240 V
Ampere Rating 750 A
RoHS Compliant Yes
AC or DC AC/DC
Speed/Characteristic gG
Fuse Size C3
Mounting Bolted
Clearing I2t At Rated Voltage 8400000 A²s
Melting I2t 3000000 A²s
AC Max I.R./Breaking Capacity I1: 80 kA
Max. Rated Breaking Capacity DC 40 kA
Connection/Terminal Material Tin-Plated Copper
Connection/Terminal Type Central Bolted Tag
Product Diameter 82.4 mm
Product Length 212 mm
Sell Pack Quantity 1 EA
Sell Pack Weight 1.36 kg
Sell Pack Width 75 mm
Sell Pack Length 235 mm
Sell Pack Height 75 mm
Product group Low Voltage IEC Fuses
Body/Insulating Material Ceramic
Product Weight 1.36 kg
Power Dissipation at Rated Current Value 65 W
HS Code 85361090
Country of Manufacture India
Fuse Class gG
Voltage 415 V

Frequently Asked Questions

What is the Mersen BTLM42V750 used for?

The BTLM42V750 protects high-current industrial electrical circuits against overloads and short circuits in power distribution applications.

What is the current rating of this fuse?

The Mersen BTLM42V750 has a rated current of 750 A.

What voltage is this fuse designed for?

The fuse is rated for 415 V AC and 240 V DC industrial electrical systems.

What does the gG classification mean?

The gG characteristic provides full-range protection against both overloads and short circuits for general-purpose electrical distribution circuits.

Where is the BTLM42V750 typically installed?

It is commonly installed directly onto busbars, within BS88 fuse holders, switch disconnectors and industrial switchboards.

Trusted by Electrical Engineers Worldwide

Mersen BS88 fuse-links are trusted by electrical engineers, panel builders and OEM manufacturers for delivering dependable circuit protection, exceptional fault interruption capability and long-term reliability in demanding industrial power distribution systems.

● 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...