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MERSEN FUSE 800C3 BTLM42V800

MERSEN FUSE 800C3 BTLM42V800

High-performance British Standard fuse-link compliant with IEC BS88 gG Type C3, rated 800A for AC/DC applications with central bolted tag mounting and ceramic body.

SKU: BTLM42V800Alt SKU: BTLM42V800MPN: R226335
Price
List Price £240.85 ex VAT
Your Price (ex VAT)
£240.85
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Manufacturer Lead Time

£240.85

Why Choose the Mersen BTLM42V800 BS88 Centre Bolted Tag Fuse?

The Mersen BTLM42V800 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 reliable circuit protection for high-current switchgear, busbar systems and industrial distribution equipment.

As part of the trusted Mersen BTLM Centre Bolted Tag Fuse-Link range, the BTLM42V800 offers exceptional current-limiting performance that reduces thermal and mechanical stress during fault conditions. Its centre bolted tag construction provides a secure electrical connection for direct busbar mounting, fuse holders and switch disconnectors.

Rated at 800 A with a 415 V AC / 240 V DC voltage rating, the BTLM42V800 is ideal for protecting industrial switchboards, electrical distribution systems, OEM machinery and heavy-duty power installations where dependable BS88 fuse protection is essential.

Key Advantages

  • Industrial BS88 gG centre bolted tag fuse-link.
  • 800 A current rating for high-current power distribution.
  • 415 V AC and 240 V DC voltage rating.
  • 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.
  • 800 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 BTLM42V800 is designed to provide full-range protection against overloads and short circuits in industrial electrical distribution systems. Its gG operating characteristic protects cables, switchgear, transformers and general power distribution equipment while providing excellent current limitation during fault conditions.

Designed for demanding industrial environments, the BTLM42V800 helps improve system reliability by minimising damage during electrical faults while supporting safe and continuous operation of critical power distribution infrastructure.

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 R226335
Catalogue No BTLM42V800
Description British Standard fuse-link IEC BS88 gG Type C3 415VAC 240VDC 800A BTLM Central Bolted Tag
EAN/UPC Code 3605340268126
Rated voltage AC IEC 415 V
Rated voltage DC IEC 240 V
Ampere Rating 800 A
RoHS Compliant Yes
AC or DC AC/DC
Speed/Characteristic gG
Fuse Size C3
Mounting Bolted
Clearing I2t At Rated Voltage 10900000 A²s
Melting I2t 3769000 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 68 W
HS Code 85361090
Country of Manufacture India
Fuse Class gG
Voltage 415 V

Frequently Asked Questions

What is the Mersen BTLM42V800 used for?

The BTLM42V800 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 BTLM42V800 has a rated current of 800 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 BTLM42V800 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 and long-term reliability in demanding industrial power distribution systems.

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