MERSEN FUSE BTIS42V125 A3 BTIS42V125

MERSEN FUSE BTIS42V125 A3 BTIS42V125

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.

SKU: BTIS42V125Alt SKU: BTIS42V125MPN: L1019186
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Why Choose the Mersen BTIS42V125 Industrial Fuse Link?

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.

Key Advantages

  • Reliable industrial fuse link for electrical circuit protection.
  • 125 A rated current for high-capacity electrical systems.
  • 415 V AC voltage rating for low-voltage industrial installations.
  • Current-limiting operation helps reduce damaging fault energy.
  • Protects cables, switchgear and connected electrical equipment.
  • Suitable for compatible fuse holders and switch-disconnectors.

Key Features

  • Mersen industrial fuse-link range.
  • 125 A rated current.
  • 415 V AC rated voltage.
  • Designed for industrial circuit protection.
  • Effective current limitation during electrical faults.
  • Rapid interruption of excessive fault currents.
  • Robust construction for demanding installations.
  • Suitable for electrical distribution and control equipment.

Reliable Protection for Industrial Electrical Systems

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.

Typical Applications

  • Industrial power distribution systems.
  • Electrical switchboards and distribution panels.
  • Cable and conductor protection.
  • Industrial machinery and production equipment.
  • Fuse switches and switch-disconnectors.
  • Commercial and industrial electrical installations.

Technical Specifications

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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

Frequently Asked Questions

What is the Mersen BTIS42V125 used for?

The BTIS42V125 is used to protect industrial electrical circuits, cables, switchgear and connected equipment against excessive fault currents.

What is the current rating of this fuse link?

The Mersen BTIS42V125 has a rated current of 125 A.

What voltage is the BTIS42V125 rated for?

The fuse link is designed for electrical systems operating at up to 415 V AC.

How does the BTIS42V125 protect electrical equipment?

The fuse interrupts excessive electrical current and limits the fault energy passing into downstream cables, switchgear and connected equipment.

Where is this fuse typically installed?

The BTIS42V125 is typically installed in a compatible industrial fuse holder, fuse switch or switch-disconnector within an electrical distribution system.

Trusted for Industrial Circuit Protection

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.