Call Us Today
01706 242050
Trade Portal
MERSEN FUSE MV3 630A/185mm 3P3 1.380.000 1.380.000

MERSEN FUSE MV3 630A/185mm 3P3 1.380.000 1.380.000

Robust NH fuse-switch disconnector designed for reliable protection and isolation in high-current industrial applications. Features 630A rating, 3-pole switching, and compatibility with 185mm bus bar system.

SKU: R1023262Alt SKU: 1.380.000MPN: R1023262
Price
List Price £602.21 ex VAT
Your Price (ex VAT)
£602.21
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.

Sign up for a trade account Quick & easy setup
SUBTOTAL (EX VAT) £602.21
Trade pricing is personalised to your account

Manufacturer Lead Time

£602.21

Why Choose the Mersen R1023262 MULTIVERT® NH Fuse Switch Disconnector?

The Mersen R1023262 is a high-performance NH vertical fuse switch disconnector designed for switching, isolation and circuit protection in industrial low-voltage power distribution systems. Part of the established Mersen MULTIVERT® 630 A series, it provides a compact and dependable solution for panel builders, electrical engineers and OEM manufacturers.

This fuse switch disconnector is designed for direct installation onto 185 mm busbar systems in a three-pole arrangement. Its modular construction supports fast assembly and straightforward servicing while providing a high degree of protection during installation and maintenance.

With a rated current of 630 A, a rated voltage of 690 V AC and compatibility with NH Size 3 fuse-links, the R1023262 is suitable for demanding industrial distribution circuits. The unit features simultaneous 1 × 3-pole switching and lateral M12 screw connections for secure cable termination.

Key Advantages

  • Robust NH Size 3 fuse switch disconnector for industrial distribution systems.
  • 630 A rated current for high-capacity electrical circuits.
  • 690 V AC rated voltage suitable for demanding low-voltage installations.
  • Designed for direct mounting onto 185 mm busbar systems.
  • Simultaneous three-pole switching supports safe circuit isolation.
  • Compact modular construction simplifies installation and maintenance.

Key Features

  • Mersen MULTIVERT® 630 A series.
  • NH Size 3 fuse switch disconnector.
  • 630 A rated current.
  • 690 V AC rated voltage.
  • 1 × 3-pole switching configuration.
  • Compatible with 185 mm busbar systems.
  • Lateral M12 screw cable connections.
  • Compact standard design for space-efficient switchboards.
  • Modular system allows installation of individual components.
  • Designed for NH fuse-links in accordance with IEC/EN 60269-2.

Reliable Switching and Protection for High-Current Circuits

The Mersen R1023262 combines load switching, electrical isolation and fuse protection within one compact assembly. When fitted with correctly rated NH Size 3 fuse-links, it helps protect industrial distribution circuits against overloads and short circuits while providing a clear means of isolating equipment for maintenance.

Its direct busbar mounting arrangement reduces installation complexity and helps create an organised, space-efficient switchboard layout. The compact standard design has an installation depth of approximately 123 mm, making it particularly suitable for power distribution cabinets where available space is limited.

Typical Applications

  • Industrial low-voltage switchboards.
  • High-current power distribution panels.
  • Motor control centres.
  • Commercial and industrial building services.
  • OEM electrical equipment.
  • Machine building and production systems.

Technical Specifications

Current 630 A
Phase Three Phase
Item number R1023262
Catalogue No 1.380.000
Description NH fuse-switch disconnector MULTIVERT® Size 3 630A 1x3-Pole switching Bus bar system 185mm Screw M12 lateral
EAN/UPC Code 9008567005828
Frequency (Hz) 50 ... 60 Hz
Rated voltage AC IEC 690 V
Ampere Rating 630 A
Utilization Category AC 23 B @ Ue = AC 400 V; Ie = 630 A AC 22 B @ Ue = AC 500 V; Ie = 630 A AC 21 B @ Ue = AC 690 V; Ie = 630 A
Switchability 1x3-pole switching
RoHS Compliant Yes
AC or DC AC
Short Circuit Current Rating (SCCR) 80kA@Ue = AC 400 V; Ie = 630 A / 80kA@Ue = AC 500 V; Ie = 630 A / 80kA@Ue = AC 690 V; Ie = 500 A
Fuse Size 3
Design Details MULTIVERT® with lateral bus bar terminals, bus bar coupler switch, cable terminal connection to right or left side possible
Number of Poles 3-Pole
Degree of Pollution 3
Rated Impulse Withstand Voltage 12 kV
Rated Insulation Voltage 1000 V
Rated SC Withstand 12.6 kA / 1 s
Max Power dissipation of Fuse Links Pn 48 W
Max Power dissipation of Solid Links Pn 17.5 W
Power Dissipation by Ith without Fuse-Links 95 W
Rated short circuit making capacity with solid links Icm 16 kA
Installation Mounting Bus bar system 185 mm
Product Width 98 mm
Product Length 190 mm
Product Height 685 mm
Sell Pack Quantity 1 EA
Sell Pack Weight 4.77 kg
Sell Pack Width 100 mm
Sell Pack Length 688 mm
Sell Pack Height 195 mm
Product group IEC Fuse Switch Disconnectors
Conventional Free Air thermal Current With Fuse-Links Ith 630 A
Product Weight 4.77 kg
Conventional Free Air thermal Current - Solid Links 800 A
HS Code 85365080
Country of Manufacture Hungary
Poles 3-pole
Device Type Fuse switch disconnector
Voltage 690 V

Frequently Asked Questions

What is the Mersen R1023262 used for?

It is an NH Size 3 fuse switch disconnector used for switching, isolation and circuit protection in industrial low-voltage power distribution systems.

What is the rated current of the R1023262?

The Mersen R1023262 has a rated current of 630 A.

Which busbar system is compatible with this unit?

The fuse switch disconnector is designed for direct installation onto a 185 mm busbar system.

What fuse-links does the R1023262 accept?

It is designed for NH Size 3 fuse-links manufactured in accordance with IEC/EN 60269-2 and VDE 0636-2.

What type of cable connection is provided?

The R1023262 features lateral M12 screw connections for secure cable termination.

Trusted for Industrial Power Distribution

Mersen MULTIVERT® fuse switch disconnectors are widely used by panel builders, electrical engineers and industrial operators for dependable high-current switching, safe isolation and efficient integration into low-voltage power distribution systems.

● 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…

by | Aug 11, 2026 |

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

by | Jan 17, 2026 |

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

by | Jan 17, 2026 |

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...