MERSEN FUSE 450C2 BTTM42V450

MERSEN FUSE 450C2 BTTM42V450

Industrial grade BS88 gG Type C2 fuse-link with 450A rating, suitable for AC and DC applications up to 415VAC and 240VDC. Features a central bolted tag connection and ceramic body for reliable circuit protection.

SKU: BTTM42V450Alt SKU: BTTM42V450MPN: J226328
Price
List Price £130.70 ex VAT
Your Price (ex VAT)
£130.70
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.

SUBTOTAL (EX VAT) £130.70
Trade pricing is personalised to your account

Manufacturer Lead Time

£130.70

Why Choose the Mersen BTTM42V450 BS88 gG Fuse Link?

The Mersen BTTM42V450 is a heavy-duty BS88 central bolted tag fuse link designed to provide dependable overload and short-circuit protection for industrial power distribution systems. Manufactured by Mersen, this gG general-purpose fuse is suitable for switchgear, fuse switch disconnectors, busbar systems and OEM electrical equipment where high-current circuit protection is essential.

Manufactured in accordance with EN 60269-2 and BS88 Part 2, the BTTM42V450 offers excellent current limitation and high fault interruption capability. Its Type C2 central bolted tag construction provides a secure mechanical and electrical connection for demanding industrial installations.

With a 450 A current rating, 415 V AC and 240 V DC ratings, the Mersen BTTM42V450 is ideally suited to heavy-duty low-voltage power distribution applications requiring reliable circuit protection and compliance with recognised international standards.

Key Advantages

  • Designed for general-purpose industrial circuit protection.
  • Complies with EN 60269-2 and BS88 Part 2.
  • 450 A current rating for high-power applications.
  • 415 V AC / 240 V DC rated operation.
  • Excellent current limitation reduces fault energy.
  • Central bolted tag design ensures secure installation.

Key Features

  • Mersen BTTM series fuse link.
  • gG general-purpose utilisation category.
  • 450 A rated current.
  • 415 V AC / 240 V DC rated voltage.
  • BS88 Type C2 central bolted tag construction.
  • Breaking capacity of 80 kA AC and 40 kA DC.
  • Suitable for direct busbar mounting or compatible fuse holders.
  • RoHS compliant.

Reliable Protection for Industrial Power Distribution

gG fuse links provide full-range protection against overloads and short circuits across a broad range of industrial electrical applications. Their current-limiting characteristics help minimise damage to switchgear, cables and connected equipment while improving overall system safety and reliability.

The Mersen BTTM42V450 is suitable for industrial switchgear, power distribution assemblies, fuse switches and busbar installations where dependable high-current protection is required.

Typical Applications

  • Industrial switchgear.
  • Power distribution panels.
  • Fuse switch disconnectors.
  • Busbar protection systems.
  • OEM electrical equipment.
  • Heavy industrial installations.

Technical Specifications

Item number J226328
Catalogue No BTTM42V450
Description British Standard fuse-link IEC BS88 gG Type C2 415VAC 240VDC 450A BTTM Central Bolted Tag
EAN/UPC Code 3605340268058
Rated voltage AC IEC 415 V
Rated voltage DC IEC 240 V
Ampere Rating 450 A
RoHS Compliant Yes
AC or DC AC/DC
Speed/Characteristic gG
Fuse Size C2
Mounting Bolted
Clearing I2t At Rated Voltage 1820000 A²s
Melting I2t 650000 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 74.4 mm
Product Length 212 mm
Sell Pack Quantity 1 EA
Sell Pack Weight 1.1 kg
Sell Pack Width 85 mm
Sell Pack Length 210 mm
Sell Pack Height 70 mm
Product group Low Voltage IEC Fuses
Body/Insulating Material Ceramic
Product Weight 1.1 kg
Power Dissipation at Rated Current Value 42 W
HS Code 85361090
Country of Manufacture India
Fuse Class gG
Voltage 415 V

Frequently Asked Questions

What is the Mersen BTTM42V450 used for?

The Mersen BTTM42V450 is a BS88 gG fuse link designed to protect industrial electrical circuits against overloads and short circuits.

What is the current rating of this fuse?

The BTTM42V450 has a 450 A current rating.

What voltage is the fuse rated for?

This fuse is rated for operation up to 415 V AC and 240 V DC.

Which standards does the BTTM42V450 comply with?

The fuse complies with EN 60269-2 and BS88 Part 2 standards.

Where is this fuse typically installed?

It is commonly installed in compatible fuse holders, busbar assemblies, switch-disconnectors and industrial power distribution equipment.

Trusted by Electrical Engineers Worldwide

Mersen BS88 fuse links are widely trusted by electrical engineers, panel builders and OEM manufacturers for dependable circuit protection, excellent fault interruption capability and long-term industrial reliability.

● 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…

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

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

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...