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MERSEN FUSE BTSD42V125 A4C BTSD42V125
The BTSD42V125 fuse-link offers dependable circuit protection for industrial and commercial applications up to 415VAC and 240VDC with a 125A rating and offset tag terminals.
£12.60
Why Choose the Mersen BTSD42V125 BS88 Offset Tag Fuse?
The Mersen BTSD42V125 is a British Standard BS88 gG offset tag fuse-link designed to provide dependable overload and short-circuit protection for industrial and commercial low-voltage power distribution systems. Part of the proven Mersen BTSD offset tag fuse-link range, it is engineered for installations requiring reliable fault interruption, excellent current limitation and full compliance with BS88 and IEC standards.
Manufactured to EN 60269-2 and BS 88 Part 2, the BTSD42V125 features a robust offset tag construction that allows secure installation into compatible fuse holders, switch disconnectors and busbar systems. Its gG operating characteristic provides full-range protection against overloads and short circuits, helping safeguard cables and electrical equipment.
With a 125 A current rating, 415 V AC and 240 V DC voltage ratings, together with an 80 kA AC and 40 kA DC breaking capacity, the Mersen BTSD42V125 is ideal for industrial switchgear, distribution boards, motor control centres and commercial electrical installations.
Key Advantages
- British Standard BS88 gG offset tag fuse-link.
- 125 A current rating for industrial power distribution.
- 415 V AC and 240 V DC rated operation.
- 80 kA AC breaking capacity for excellent fault protection.
- High current-limiting performance reduces thermal and mechanical stress.
- Offset tag design allows secure mounting in compatible fusegear.
Key Features
- Mersen BTSD offset tag fuse-link series.
- BS Type A4 fuse-link.
- 125 A rated current.
- 415 V AC rated voltage.
- 240 V DC rated voltage.
- General-purpose gG characteristic.
- Offset tag terminal connections.
- Manufactured to EN 60269-2 and BS88 Part 2.
Reliable Protection for Industrial Power Systems
The Mersen BTSD42V125 provides full-range protection against overloads and short circuits in low-voltage electrical distribution systems. Its gG characteristic makes it suitable for protecting cables, switchgear, transformers and general industrial electrical equipment, while its high current-limiting performance helps minimise fault energy and equipment damage.
Designed for installation in compatible BS88 fusegear, the BTSD series is widely used throughout industrial facilities, commercial buildings and OEM equipment where dependable circuit protection and compliance with recognised standards are essential.
Typical Applications
- Industrial power distribution.
- Commercial distribution boards.
- Switchgear and switch disconnectors.
- Motor control centres.
- Cable and feeder protection.
- OEM electrical equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Class | gG | |
|---|---|---|
| Voltage | 415 V | |
| Item number | A1019199 | |
| Catalogue No | BTSD42V125 | |
| Description | British Standard fuse-link IEC BS88 gG Type A4 415VAC 240VDC 125A BTSD Offset Tag | |
| EAN/UPC Code | 3605340515503 | |
| 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 | A4 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 70000 A²s | |
| Melting I2t | 16000 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 | 21 mm | |
| Product Width | 24.5 mm | |
| Product Length | 110 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.82 kg | |
| Sell Pack Width | 120 mm | |
| Sell Pack Length | 230 mm | |
| Sell Pack Height | 40 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.082 kg | |
| Power Dissipation at Rated Current Value | 11.5 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTSD42V125 used for?
The BTSD42V125 protects industrial and commercial electrical circuits against overloads and short circuits in power distribution, switchgear and motor control applications.
What is the current rating of this fuse?
The BTSD42V125 has a 125 A current rating.
What voltage is the BTSD42V125 rated for?
This fuse is rated for 415 V AC and 240 V DC operation.
What fuse characteristic does it have?
The fuse has a general-purpose gG characteristic, providing protection against both overloads and short circuits.
Which standards does the BTSD42V125 comply with?
The fuse complies with EN 60269-2 and BS88 Part 2 for low-voltage industrial fuse-links.
Trusted for Industrial Circuit Protection
Mersen BS88 fuse-links are trusted by electrical engineers, panel builders and maintenance professionals worldwide for dependable circuit protection, excellent current limitation and long-term reliability.
