MERSEN FUSE BMD42V20 BMD42V20

MERSEN FUSE BMD42V20 BMD42V20

BS88 gG Type fuse-link designed for reliable circuit protection in industrial electrical installations, rated at 20A and 415VAC with a ceramic body.

SKU: A1036978Alt SKU: BMD42V20MPN: A1036978
Price
List Price £5.68 ex VAT
Your Price (ex VAT)
£5.68
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) £5.68
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 10

£5.68

Why Choose the Mersen A1036978 BMD42V20 Fuse?

The Mersen A1036978 BMD42V20 is a high-quality British Standard IEC BS88 gG cylindrical fuse-link designed to provide dependable protection for low-voltage electrical circuits. Manufactured by Mersen, this fuse is engineered for street lighting, industrial control panels and electrical distribution systems where reliable overload and short-circuit protection is essential.

Part of the Mersen BS Street Lighting Fuses gG 415 VAC range, the BMD42V20 features a compact 13 × 29 mm cylindrical design for installation in compatible fuse holders. Its ceramic body and copper end caps provide excellent mechanical strength, thermal stability and long service life in demanding electrical environments.

With a 20 A current rating, 415 V AC operating voltage and a high 80 kA breaking capacity, the A1036978 delivers dependable circuit protection for lighting circuits, switchgear, distribution equipment and industrial electrical installations.

Key Advantages

  • British Standard IEC BS88 gG fuse-link providing full-range circuit protection.
  • 20 A current rating for industrial and commercial applications.
  • 415 V AC rated voltage for low-voltage electrical systems.
  • 80 kA breaking capacity for exceptional fault interruption.
  • Compact 13 × 29 mm cylindrical design for compatible fuse holders.
  • Suitable for street lighting, switchgear and electrical distribution equipment.

Key Features

  • Mersen BMD42V20 cylindrical fuse-link.
  • 20 A rated current.
  • 415 V AC rated voltage.
  • gG operating characteristic providing overload and short-circuit protection.
  • 80 kA AC breaking capacity.
  • 13 × 29 mm cylindrical format.
  • Ceramic body with copper terminals.
  • Manufactured to IEC BS88 standards.

Reliable Circuit Protection for Street Lighting Systems

The Mersen BMD42V20 fuse-link safely interrupts excessive fault currents before damage can occur to connected electrical equipment. Its gG operating characteristic provides comprehensive protection against sustained overloads and high short-circuit currents, helping improve system reliability while reducing maintenance requirements.

Its compact cylindrical construction and high breaking capacity make it an excellent choice for street lighting installations, switchgear, control panels and low-voltage distribution systems requiring dependable electrical protection.

Typical Applications

  • Street lighting installations.
  • Industrial control panels.
  • Commercial electrical distribution systems.
  • Low-voltage switchgear.
  • Infrastructure electrical equipment.
  • OEM machinery and electrical assemblies.

Technical Specifications

Item number A1036978
Catalogue No BMD42V20
Description British Standard fuse-link IEC BS88 gG Type 13x29 415VAC 20A
EAN/UPC Code 3605340543742
Rated voltage AC IEC 415 V
Ampere Rating 20 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic gG
Fuse Size 13x29
Mounting Clip
Clearing I2t At Rated Voltage 1015 A²s
Melting I2t 241 A²s
AC Max I.R./Breaking Capacity I1: 80 kA
Connection/Terminal Material Copper
Connection/Terminal Type Cylindrical
Product Diameter 12.7 mm
Product Length 29 mm
Sell Pack Quantity 10 EA
Sell Pack Weight 0.11 kg
Sell Pack Width 70 mm
Sell Pack Length 40 mm
Sell Pack Height 35 mm
Product group Low Voltage IEC Fuses
Body/Insulating Material Ceramic
Product Weight 0.011 kg
Power Dissipation at Rated Current Value 1.52 W
HS Code 85361050
Country of Manufacture India
Fuse Size 13x29 mm
Fuse Class gG
Voltage 415 V

Frequently Asked Questions

What is the Mersen A1036978 used for?

The Mersen A1036978 is a BS88 gG cylindrical fuse-link designed to protect low-voltage electrical circuits against overloads and short-circuit faults.

What is the current rating of the BMD42V20 fuse?

This fuse has a 20 A rated current.

What voltage is the A1036978 rated for?

The fuse is designed for operation on 415 V AC electrical systems.

What is the breaking capacity of this fuse?

The Mersen A1036978 provides an 80 kA AC breaking capacity, ensuring reliable interruption of high fault currents.

Where is this fuse commonly installed?

It is commonly installed in street lighting systems, industrial control panels, low-voltage switchgear and electrical distribution equipment.

Trusted Electrical Protection from Mersen

Mersen BS88 fuse-links are trusted by electrical contractors, infrastructure operators and industrial engineers worldwide for delivering reliable low-voltage circuit protection and long-term reliability.

● 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...