MERSEN FUSE DUO-ADAPTER 2x63A 40MM-SYST. V 03807.400000

MERSEN FUSE DUO-ADAPTER 2x63A 40MM-SYST. V 03807.400000

Mersen R212512 is an adjustable Dual-A busbar adapter with two mounting positions designed for integrating compatible electrical equipment into low-voltage busbar distribution systems.

SKU: R212512MPN: R212512
Price
List Price £118.51 ex VAT
Your Price (ex VAT) Save 20%
£94.81 20% OFF
You save £23.70 per unit
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) £94.81
Trade pricing is personalised to your account

Manufacturer Lead Time

£94.81

Why Choose the Mersen R212512 Dual Busbar Adapter?

The Mersen R212512 is an adjustable dual busbar adapter designed for mounting compatible electrical devices directly onto an industrial busbar distribution system. Developed as part of Mersen's low-voltage busbar accessory range, it provides a practical interface between busbars and compatible switching or protection equipment in electrical distribution assemblies.

The R212512 features a Dual-A adjustable configuration with two mounting positions, providing flexibility when integrating compatible devices into a modular busbar installation. This arrangement helps panel builders create compact and organised electrical assemblies while reducing the need for conventional mounting and interconnection arrangements.

Designed for professional low-voltage installations, the Mersen R212512 is suitable for switchboards, control cabinets and power distribution panels where compatible electrical devices are mounted directly to a busbar system. Its adjustable construction supports flexible equipment positioning within compatible Mersen busbar assemblies.

Key Advantages

  • Adjustable dual busbar adapter for professional electrical distribution systems.
  • Two mounting positions for compatible electrical devices.
  • Adjustable construction provides flexibility during panel assembly.
  • Supports compact and organised low-voltage switchboard layouts.
  • Designed for direct integration with compatible busbar systems.
  • Suitable for compatible switching and circuit protection equipment.
  • Helps simplify modular industrial panel construction.
  • Genuine Mersen busbar system component.

Key Features

  • Mersen busbar system adapter.
  • Manufacturer reference R212512.
  • Dual-A adapter design.
  • Adjustable configuration.
  • Two equipment mounting positions.
  • Designed for modular low-voltage electrical distribution assemblies.
  • Suitable for compatible switching and protection devices.
  • Professional industrial switchboard accessory.
  • Supplied as a single adapter unit.

Flexible Integration for Industrial Busbar Systems

Busbar adapters provide an efficient method of mounting compatible switching and protection devices directly onto electrical busbar systems. Direct busbar integration can support compact panel construction while reducing conventional wiring and helping create an organised modular distribution assembly.

The Mersen R212512 uses an adjustable Dual-A configuration with two mounting positions. This makes it a practical component for panel builders and electrical engineers integrating compatible equipment into low-voltage industrial switchboards and power distribution systems.

Typical Applications

  • Industrial low-voltage distribution systems.
  • Electrical busbar assemblies.
  • Switchboards and distribution panels.
  • Industrial control cabinets.
  • Modular switchgear assemblies.
  • Panel building applications.
  • Mounting compatible switching and protection equipment.

Technical Specifications

Manufacturer Mersen
Model R212512
Product type Busbar adapter
Adapter type Dual-A
Adapter configuration Dual
Adjustment Adjustable
Mounting positions 2
Application Low-voltage busbar distribution systems
Mounting application Compatible electrical devices on busbar systems
Pack quantity 1
Device Type Accessory

Frequently Asked Questions

What is the Mersen R212512 used for?

The Mersen R212512 is an adjustable dual busbar adapter designed for mounting compatible electrical devices onto an industrial low-voltage busbar system.

What type of busbar adapter is the Mersen R212512?

The R212512 is a Dual-A adjustable adapter designed as part of Mersen's busbar system accessory range.

How many mounting positions does the Mersen R212512 provide?

The R212512 provides two mounting positions for compatible electrical equipment.

Is the Mersen R212512 adjustable?

Yes. The R212512 has an adjustable configuration designed to provide installation flexibility within compatible busbar assemblies.

Where is the Mersen R212512 typically installed?

The adapter is typically used in industrial switchboards, control cabinets and low-voltage distribution panels incorporating compatible busbar systems.

Designed for Professional Busbar Distribution Systems

Mersen busbar adapters provide practical mounting solutions for modular low-voltage distribution equipment, helping panel builders create compact, organised and flexible industrial switchboard assemblies.

● 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...