MERSEN FUSE BTIS42V100M125 A3 BTIS42V100M125

MERSEN FUSE BTIS42V100M125 A3 BTIS42V100M125

British Standard fuse-link IEC BS88 gM Type A3 415VAC 240VDC 100M125A BTIS Offset Tag providing reliable circuit protection for industrial applications.

SKU: BTIS42V100M125Alt SKU: BTIS42V100M125MPN: N1019188
Price
List Price £20.97 ex VAT
Your Price (ex VAT)
£20.97
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £20.97
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 10

£20.97

Why Choose the Mersen BTIS42V100M125 Industrial Fuse Link?

The Mersen BTIS42V100M125 is an industrial fuse link designed to protect low-voltage electrical circuits against excessive current. Manufactured by Mersen, it helps safeguard cables, conductors, switchgear and connected equipment by interrupting the circuit during overload or short-circuit conditions.

Designed for use in industrial power distribution equipment, the BTIS42V100M125 provides dependable circuit protection in applications where electrical reliability and effective fault interruption are essential. Its current-limiting operation can help reduce the peak current and electrical energy passing through downstream components during a serious fault.

With a rated current of 100 A and an AC voltage rating of up to 415 V, the BTIS42V100M125 is suitable for distribution boards, control panels, machinery and feeder circuits. It should be installed in compatible fuse equipment selected for the product’s electrical rating and physical configuration.

Key Advantages

  • Dependable protection for industrial low-voltage circuits.
  • 100 A rated current for distribution and equipment applications.
  • 415 V AC rating for low-voltage electrical systems.
  • Helps protect cables, switchgear and connected equipment.
  • Current-limiting operation can reduce damaging fault energy.
  • Suitable for use in compatible industrial fuse equipment.

Key Features

  • Mersen BTIS industrial fuse-link range.
  • 100 A rated current.
  • 415 V AC rated voltage.
  • Designed for overload and short-circuit protection.
  • Current-limiting fault interruption.
  • Suitable for industrial power distribution systems.
  • Compatible with correctly rated fuse holders and switching equipment.
  • Designed for reliable operation in demanding electrical installations.

Reliable Protection for Industrial Electrical Systems

The Mersen BTIS42V100M125 is designed to disconnect a protected circuit when the current exceeds safe operating limits. This helps prevent excessive heating and reduces the risk of damage to cables, switchgear, machinery and other connected electrical equipment.

During a high-level electrical fault, the fuse can limit the peak current and total energy passing through the circuit. Correct selection and coordination with the associated fuse holder, switching device and downstream equipment are essential for safe and reliable operation.

Typical Applications

  • Industrial power distribution systems.
  • Electrical switchboards and distribution panels.
  • Control panels and automation equipment.
  • Cable, conductor and feeder circuit protection.
  • Industrial machinery and production equipment.
  • Compatible fuse switches and switch-disconnectors.

Technical Specifications

Item number N1019188
Catalogue No BTIS42V100M125
Description British Standard fuse-link IEC BS88 gM Type A3 415VAC 240VDC 100M125A BTIS Offset Tag
EAN/UPC Code 3605340516050
Rated voltage AC IEC 415 V
Rated voltage DC IEC 240 V
In M Ich 100M125 A
RoHS Compliant Yes
AC or DC AC/DC
Speed/Characteristic gM
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 0.82 kg
Sell Pack Width 95 mm
Sell Pack Length 140 mm
Sell Pack Height 60 mm
Product group Low Voltage IEC Fuses
Body/Insulating Material Ceramic
Product Weight 0.082 kg
Power Dissipation at Rated Current Value 9 W
HS Code 85361090
Country of Manufacture India
Fuse Class gM
Voltage 415 V

Frequently Asked Questions

What is the Mersen BTIS42V100M125 used for?

The BTIS42V100M125 is used to protect industrial electrical circuits, cables, switchgear and connected equipment against excessive current caused by overloads or short circuits.

What is the current rating of the BTIS42V100M125?

The Mersen BTIS42V100M125 has a rated current of 100 A.

What voltage is the BTIS42V100M125 rated for?

The fuse link is intended for low-voltage electrical systems operating at up to 415 V AC.

How does the BTIS42V100M125 protect electrical equipment?

The fuse interrupts excessive current and limits the energy passing through the protected circuit during an overload or short-circuit condition.

Where is the BTIS42V100M125 typically installed?

The BTIS42V100M125 is typically installed in a compatible industrial fuse holder, fuse switch or switch-disconnector within a low-voltage power distribution system.

Trusted for Industrial Circuit Protection

Mersen fuse links are widely specified by electrical engineers, panel builders and maintenance professionals for dependable protection and reliable performance in industrial power distribution installations.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...