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MERSEN FUSE 40B1C BTBC42V40
High-performance BS88 gG Type B1 fuse-link offering reliable circuit protection for industrial and commercial power systems up to 415VAC and 240VDC. Features robust central bolted tags and ceramic body for durability.
£7.30
Why Choose the Mersen BTBC42V40 BS88 gG Fuse Link?
The Mersen BTBC42V40 is a premium-quality BS88 gG central bolted tag fuse link designed to provide dependable general-purpose protection for industrial and commercial low voltage electrical systems. Manufactured by Mersen, this fuse offers reliable protection against overloads and short circuits while delivering excellent current limiting performance for enhanced equipment safety.
Designed in accordance with EN 60269-2 and BS88 Part 2, the BTBC42V40 is suitable for protecting electrical distribution systems, switchgear, cables and industrial equipment. Its central bolted tag construction allows secure mounting directly onto busbars, compatible fuse holders and switch disconnectors, making it ideal for demanding industrial applications.
With a 40 A current rating, 415 V AC and 240 V DC voltage ratings, the BTBC42V40 delivers dependable circuit protection across a wide range of industrial power distribution systems. Its high breaking capacity and compact design help minimise equipment damage during fault conditions while ensuring long-term operational reliability.
Key Advantages
- High-quality BS88 gG central bolted tag fuse link.
- 40 A current rating for general-purpose circuit protection.
- 415 V AC / 240 V DC rated operation.
- Excellent current limiting performance during overload and short circuit faults.
- Manufactured to EN 60269-2 and BS88 Part 2 standards.
- Suitable for fuse holders, busbars and switch disconnectors.
Key Features
- Mersen BTBC Series.
- BS88 gG Type B1C fuse link.
- 40 A rated current.
- 415 V AC / 240 V DC rated voltage.
- Central bolted tag construction.
- General-purpose overload and short circuit protection.
- High breaking capacity of up to 80 kA AC.
- RoHS compliant construction.
Reliable Circuit Protection for Industrial Installations
The Mersen BTBC42V40 provides full-range gG protection, safeguarding electrical circuits against both overloads and short circuits. Its high current limiting capability reduces thermal and mechanical stress on downstream equipment, helping to improve system reliability and minimise downtime.
Its central bolted tag design enables secure installation within industrial switchboards, fuse switches and power distribution equipment where dependable low voltage protection is essential.
Typical Applications
- Industrial power distribution systems.
- Electrical switchboards.
- Distribution panels.
- Cable and conductor protection.
- Fuse switches and disconnectors.
- Commercial and industrial electrical installations.
Technical Specifications
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| Fuse Class | gG | |
|---|---|---|
| Voltage | 415 V | |
| Item number | K226306 | |
| Catalogue No | BTBC42V40 | |
| Description | British Standard fuse-link IEC BS88 gG Type B1 415VAC 240VDC 40A BTBC Central Bolted Tag | |
| EAN/UPC Code | 3605340267839 | |
| Rated voltage AC IEC | 415 V | |
| Rated voltage DC IEC | 240 V | |
| Ampere Rating | 40 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gG | |
| Fuse Size | B1 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 5850 A²s | |
| Melting I2t | 1300 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 | 26.9 mm | |
| Product Length | 137 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 1.255 kg | |
| Sell Pack Width | 140 mm | |
| Sell Pack Length | 146 mm | |
| Sell Pack Height | 56 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.1255 kg | |
| Power Dissipation at Rated Current Value | 4 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTBC42V40 used for?
The BTBC42V40 is a BS88 gG fuse link designed to protect electrical circuits against overloads and short circuits in industrial and commercial installations.
What is the current rating of this fuse?
This fuse has a 40 A current rating.
What voltage is the BTBC42V40 rated for?
The fuse is rated for 415 V AC and 240 V DC operation.
What does the gG classification mean?
The gG operating characteristic provides full-range protection against both overload and short circuit faults.
Where is this fuse typically installed?
The BTBC42V40 is commonly installed in compatible BS88 fuse holders, busbars, switch disconnectors and industrial power distribution equipment.
Trusted for Industrial Circuit Protection
Mersen BS88 fuse links are trusted by electrical engineers, OEMs and panel builders for providing reliable circuit protection, high fault interruption capability and dependable long-term performance in demanding industrial environments.
