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MERSEN FUSE 125A4XC BTFP42V125
The BTFP42V125 fuse-link meets IEC BS88 standards, providing reliable circuit protection for industrial and commercial applications. With a 125A current rating and suitability for systems up to 415VAC or 240VDC, it ensures dependable performance across a range of power distribution networks.
£14.56
Why Choose the Mersen BTFP42V125 Industrial Fuse Link?
The Mersen BTFP42V125 is a dependable industrial fuse link designed to protect low-voltage electrical circuits against overload and short-circuit currents. Manufactured by Mersen, it provides reliable fault interruption and current-limiting performance for industrial power distribution, switchgear and control-panel applications.
This fuse link helps protect cables, conductors and connected electrical equipment by safely disconnecting the circuit when excessive current occurs. Its robust construction and tagged mounting format support secure installation within compatible fuse holders, fuse switches and electrical distribution assemblies.
With a rated current of 125 A and a rated voltage of up to 415 V AC, the BTFP42V125 is suitable for feeder circuits, industrial machinery and commercial power distribution systems requiring reliable high-current circuit protection.
Key Advantages
- Reliable industrial fuse link for low-voltage circuit protection.
- 125 A rated current for industrial and commercial installations.
- 415 V AC voltage rating suitable for common distribution networks.
- Effective current limitation helps reduce damaging fault energy.
- Tagged construction supports secure installation in compatible fuse equipment.
- Protects cables, switchgear and electrical distribution components.
Key Features
- Mersen BTFP industrial fuse series.
- 125 A rated current.
- 415 V AC rated voltage.
- Designed for overload and short-circuit protection.
- Tagged fuse-link construction for secure mounting.
- Current-limiting operation helps minimise equipment damage.
- Single-use protective device with dependable fault interruption.
- Suitable for switchboards, control panels and distribution equipment.
Reliable Protection for Electrical Distribution Systems
Fuse links such as the Mersen BTFP42V125 protect electrical installations by interrupting potentially damaging overload and short-circuit currents. When the current exceeds the fuse link’s operating threshold, its internal element opens the circuit and prevents excessive fault energy from reaching cables and connected equipment.
The BTFP42V125 is designed for electrical engineers, panel builders, contractors and maintenance professionals requiring straightforward and reliable circuit protection. Its 125 A rating makes it suitable for higher-current feeder circuits and distribution applications within industrial and commercial installations.
Typical Applications
- Industrial electrical distribution panels.
- Commercial switchboards and distribution boards.
- Fuse-switch disconnectors.
- Motor control centres.
- Industrial machinery and production equipment.
- Feeder circuits and electrical control assemblies.
Technical Specifications
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| Fuse Class | gG | |
|---|---|---|
| Voltage | 415 V | |
| Item number | D226300 | |
| Catalogue No | BTFP42V125 | |
| Description | British Standard fuse-link IEC BS88 gG Type A4 415VAC 240VDC 125A BTFP Offset Tag | |
| EAN/UPC Code | 3605340267754 | |
| 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 | 17000 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 | 31 mm | |
| Product Width | 32 mm | |
| Product Length | 110 mm | |
| Sell Pack Quantity | 5 EA | |
| Sell Pack Weight | 0.725 kg | |
| Sell Pack Width | 112 mm | |
| Sell Pack Length | 178 mm | |
| Sell Pack Height | 40 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.145 kg | |
| Power Dissipation at Rated Current Value | 9.2 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTFP42V125 used for?
The BTFP42V125 is used to protect low-voltage electrical circuits, cables and distribution equipment against overload and short-circuit currents.
What is the current rating of this fuse link?
The Mersen BTFP42V125 has a rated current of 125 A.
What voltage is the BTFP42V125 rated for?
The fuse link is rated for electrical systems operating at up to 415 V AC.
Where is this fuse link normally installed?
It is normally installed in a compatible fuse holder, fuse-switch disconnector, switchboard or industrial distribution assembly.
Can the BTFP42V125 be reset after it operates?
No. The BTFP42V125 is a single-use fuse link and must be replaced with a correctly rated replacement after operation.
Trusted for Industrial Circuit Protection
Mersen industrial fuse links are used by electrical engineers, panel builders and maintenance professionals to provide reliable fault interruption, effective current limitation and dependable protection for low-voltage distribution equipment.
