Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
British Standard fuse-link IEC BS88 gG Type B1 415VAC 240VDC 50A BTBC Central Bolted Tag providing reliable overload and short-circuit protection.
£7.28
The Mersen BTBC42V50 is a high-quality BS88 gG central bolted tag fuse link designed to provide dependable overload and short-circuit protection for low-voltage industrial and commercial electrical installations. Manufactured by Mersen, this fuse link delivers excellent current-limiting performance, helping to protect cables, switchgear and connected electrical equipment from damaging fault currents.
Manufactured in accordance with EN 60269-2 and BS88 Part 2, the BTBC42V50 is a general-purpose gG fuse suitable for protecting distribution circuits across a wide range of industrial applications. Its central bolted tag design provides a secure mechanical and electrical connection when installed in compatible fuse holders, fused switches or directly onto busbars.
With a rated current of 50 A, a voltage rating of 415 V AC and 240 V DC, and a high breaking capacity, the BTBC42V50 offers reliable protection for industrial power distribution systems, control panels and electrical machinery.
The Mersen BTBC42V50 provides full-range gG protection against overloads and short circuits, helping to prevent damage to electrical distribution systems and connected equipment. Its current-limiting characteristics reduce the thermal and mechanical effects of fault currents, improving equipment reliability and helping minimise downtime.
Its central bolted tag construction enables secure installation within compatible BS88 fuse assemblies, making it ideal for switchboards, distribution panels, machinery and industrial control equipment where dependable circuit protection is essential.
Tick the specs you need, then view products that match.
| Fuse Class | gG | |
|---|---|---|
| Voltage | 415 V | |
| Item number | L226307 | |
| Catalogue No | BTBC42V50 | |
| Description | British Standard fuse-link IEC BS88 gG Type B1 415VAC 240VDC 50A BTBC Central Bolted Tag | |
| EAN/UPC Code | 3605340267846 | |
| Rated voltage AC IEC | 415 V | |
| Rated voltage DC IEC | 240 V | |
| Ampere Rating | 50 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gG | |
| Fuse Size | B1 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 11700 A²s | |
| Melting I2t | 2600 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 | 4.8 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
The BTBC42V50 is a BS88 gG fuse link designed to protect industrial electrical circuits against overloads and short circuits.
The Mersen BTBC42V50 has a 50 A current rating.
The fuse is rated for operation at up to 415 V AC and 240 V DC.
The gG characteristic provides full-range protection against both overload and short-circuit faults, making it suitable for general-purpose circuit protection.
The BTBC42V50 is commonly installed in compatible BS88 fuse holders, fused switches, switch-disconnectors and industrial power distribution equipment.
Mersen BS88 fuse links are trusted by electrical engineers, OEMs and panel builders for delivering dependable circuit protection, excellent current limitation and reliable performance across demanding industrial and commercial installations.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.