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.
Reliable BS88 gG Type A3 fuse-link rated at 125A for 415VAC and 240VDC with offset tag terminals and ceramic body for industrial circuit protection.
£7.87
The Mersen BTIS42V125 is a robust industrial fuse link designed to provide reliable electrical circuit protection in commercial and industrial low-voltage installations. Manufactured by Mersen, it helps protect cables, conductors, switchgear and connected equipment by interrupting excessive current during electrical fault conditions.
Engineered for demanding power distribution applications, the BTIS42V125 offers effective current-limiting performance that helps reduce the thermal and mechanical stresses caused by high fault currents. Its durable industrial construction supports dependable operation within compatible fuse holders, fuse switches and switch-disconnectors.
With a rated current of 125 A and an operating voltage of up to 415 V AC, the BTIS42V125 is suitable for distribution boards, electrical control panels, industrial machinery and other systems requiring reliable high-current circuit protection.
The Mersen BTIS42V125 is designed to disconnect an electrical circuit when current rises beyond safe operating limits. During a serious fault, its current-limiting action reduces the peak current and total electrical energy allowed to pass through the circuit, helping protect downstream components.
Correct fuse selection and coordination with associated switchgear can improve installation safety, reduce equipment damage and minimise unplanned downtime. The BTIS42V125 is suitable for industrial systems requiring dependable protection for circuits rated at up to 125 A and 415 V AC.
Tick the specs you need, then view products that match.
| Fuse Class | gG | |
|---|---|---|
| Voltage | 415 V | |
| Item number | L1019186 | |
| Catalogue No | BTIS42V125 | |
| Description | British Standard fuse-link IEC BS88 gG Type A3 415VAC 240VDC 125A BTIS Offset Tag | |
| EAN/UPC Code | 3605340515978 | |
| Rated voltage AC IEC | 415 V | |
| Rated voltage DC IEC | 240 V | |
| Ampere Rating | 125 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gG | |
| Fuse Size | A3 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 78400 A²s | |
| Melting I2t | 28000 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 | Offset Tag | |
| Product Diameter | 26.9 mm | |
| Product Width | 28 mm | |
| Product Length | 88.5 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.8 kg | |
| Sell Pack Width | 100 mm | |
| Sell Pack Length | 200 mm | |
| Sell Pack Height | 25 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.08 kg | |
| Power Dissipation at Rated Current Value | 11.3 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
The BTIS42V125 is used to protect industrial electrical circuits, cables, switchgear and connected equipment against excessive fault currents.
The Mersen BTIS42V125 has a rated current of 125 A.
The fuse link is designed for electrical systems operating at up to 415 V AC.
The fuse interrupts excessive electrical current and limits the fault energy passing into downstream cables, switchgear and connected equipment.
The BTIS42V125 is typically installed in a compatible industrial fuse holder, fuse switch or switch-disconnector within an electrical distribution system.
Mersen fuse links are widely used by electrical engineers, panel builders and maintenance professionals to provide reliable fault interruption and effective current limitation in industrial electrical systems.
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.