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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.
£95.60
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
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| Fuse Class | gG | |
|---|---|---|
| Voltage | 415 V | |
| 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 |
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.
