MERSEN FUSE BTSDS42V125 A3 BTSDS42V125

MERSEN FUSE BTSDS42V125 A3 BTSDS42V125

British Standard fuse-link IEC BS88 gG Type A3 415VAC 240VDC 125A BTSDS Offset Tag providing full-range protection for industrial electrical applications.

SKU: BTSDS42V125Alt SKU: BTSDS42V125MPN: G1019182
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Why Choose the Mersen BTSDS42V125 BS88 Offset Tag Fuse-Link?

The Mersen BTSDS42V125 is a high-performance British Standard BS88 offset tag fuse-link designed to provide reliable overcurrent and short-circuit protection for industrial low-voltage electrical systems. Part of the trusted Mersen BTSDS fuse series, this Type A3 gG fuse-link is manufactured in accordance with EN 60269-2 and BS88 Part 2, making it ideal for switchgear, distribution panels, fuse switch disconnectors and industrial power distribution equipment.

Designed for general-purpose gG protection, the BTSDS42V125 delivers excellent current limitation during overload and short-circuit conditions, helping to protect cables, busbars and electrical equipment. Its offset tag construction enables secure installation in compatible fuse holders or direct busbar-mounted applications.

With a 125 A current rating, a 415 V AC rating and a 240 V DC rating, the BTSDS42V125 is suitable for commercial and industrial installations where dependable circuit protection and compliance with British Standards are required.

Key Advantages

  • British Standard BS88 Type A3 offset tag fuse-link.
  • 125 A current rating for industrial distribution circuits.
  • 415 V AC / 240 V DC rated operation.
  • gG utilisation category for general-purpose circuit protection.
  • Excellent current-limiting characteristics during electrical faults.
  • Suitable for fuse holders, switch disconnectors and busbar installations.

Key Features

  • Mersen BTSDS offset tag fuse series.
  • 125 A rated current.
  • 415 V AC rated voltage.
  • 240 V DC rated voltage.
  • gG utilisation category.
  • Type A3 British Standard fuse-link.
  • Manufactured to EN 60269-2 and BS88 Part 2.
  • 80 kA AC breaking capacity.

Reliable Protection for Industrial Distribution Systems

Offset tag fuse-links such as the Mersen BTSDS42V125 are designed to safely interrupt excessive fault currents before they can damage electrical equipment or distribution circuits. Their current-limiting characteristics help minimise thermal and mechanical stress during overloads and short-circuit events, improving the reliability of industrial electrical installations.

The BTSDS range is widely specified by panel builders, OEM manufacturers and electrical engineers requiring dependable low-voltage protection that complies with recognised British and international standards.

Typical Applications

  • Industrial power distribution panels.
  • Fuse switch disconnectors.
  • Commercial electrical installations.
  • Motor control centres.
  • OEM machinery and automation systems.
  • Busbar protection and industrial switchgear.

Technical Specifications

Item number G1019182
Catalogue No BTSDS42V125
Description British Standard fuse-link IEC BS88 gG Type A3 415VAC 240VDC 125A BTSDS Offset Tag
EAN/UPC Code 3605340515770
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 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 22.5 mm
Product Length 87 mm
Sell Pack Quantity 10 EA
Sell Pack Weight 0.59 kg
Sell Pack Width 100 mm
Sell Pack Length 112 mm
Sell Pack Height 53 mm
Product group Low Voltage IEC Fuses
Body/Insulating Material Ceramic
Product Weight 0.059 kg
Power Dissipation at Rated Current Value 11.5 W
HS Code 85361090
Country of Manufacture India
Fuse Class gG
Voltage 415 V

Frequently Asked Questions

What is the Mersen BTSDS42V125 used for?

The BTSDS42V125 provides general-purpose overcurrent and short-circuit protection for industrial electrical distribution systems, switchgear and control panels.

What is the current rating of the BTSDS42V125?

The fuse-link has a rated current of 125 A.

What voltage is the BTSDS42V125 rated for?

The BTSDS42V125 is designed for electrical systems operating at up to 415 V AC or 240 V DC.

What does the gG utilisation category mean?

The gG classification indicates general-purpose protection against both overload and short-circuit faults for cables and electrical equipment.

Where is the BTSDS42V125 typically installed?

It is commonly installed in compatible BS88 fuse holders, switch disconnectors, industrial switchgear and power distribution equipment.

Trusted Protection from Mersen

Mersen BS88 fuse-links are trusted by electrical engineers, panel builders and OEM manufacturers worldwide to provide reliable protection for industrial power distribution and critical electrical equipment.

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