SKU: 33331Alt SKU: 33331000MPN: 33331
33331 Wohner NH fuse switch-discon. size 2, 400 A, panel mounting

33331 Wohner NH fuse switch-discon. size 2, 400 A, panel mounting

Wöhner 33331 NH size 2 fuse switch disconnector with 400 A rating, M10 screw terminals and integrated electronic fuse monitoring for industrial power distribution.

Price
List Price ex VAT
Your Price
On backorder 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.

Trade pricing is personalised to your account

Available on backorder

£483.04

Why Choose the Wöhner 33331 NH Fuse Switch Disconnector?

The Wöhner 33331 is a heavy duty NH fuse switch disconnector engineered for reliable protection, switching and isolation within industrial low voltage power distribution systems. Manufactured by Wöhner, this robust device is designed to provide dependable performance in demanding electrical installations while supporting safe maintenance and efficient system operation.

Featuring integrated electronic fuse monitoring, the Wöhner 33331 enables maintenance personnel to quickly identify blown fuse links, reducing troubleshooting time and improving equipment availability. Its rugged construction and proven design make it well suited to switchboards, motor control centres and industrial distribution panels.

Designed for NH size 2 fuse links with a 400 A rated current, the unit incorporates M10 screw terminals to provide secure conductor connections. It offers dependable overcurrent protection and safe isolation for high current feeders, industrial machinery and power distribution equipment.

Key Advantages

  • Heavy duty NH fuse switch disconnector for industrial power distribution.
  • 400 A rated current for high current applications.
  • Designed for NH size 2 fuse links.
  • Integrated electronic fuse monitoring for rapid fault identification.
  • M10 screw terminal connections provide secure installation.
  • Suitable for switchboards, MCCs and industrial electrical distribution systems.

Key Features

  • Manufacturer: Wöhner.
  • Part number: 33331.
  • NH size 2 fuse switch disconnector.
  • 400 A rated current.
  • Integrated electronic fuse monitoring.
  • M10 screw terminal connection.
  • Designed for industrial low voltage power distribution.
  • Robust panel mounted construction.

Reliable Protection for Industrial Power Distribution

NH fuse switch disconnectors are designed to safely isolate electrical circuits while providing dependable protection against overloads and short circuits. The Wöhner 33331 combines high current switching capability with integrated electronic fuse monitoring, helping reduce maintenance time and improve operational reliability.

Its proven design makes it an excellent choice for demanding industrial environments where dependable isolation, high performance and long service life are essential.

Typical Applications

  • Industrial power distribution systems.
  • Motor control centres.
  • Main and sub-distribution boards.
  • OEM machinery and equipment.
  • Electrical switchgear assemblies.
  • Commercial and industrial infrastructure.

Technical Specifications

Current 400 A
Manufacturer Wöhner
Part number 33331
Product type NH fuse switch disconnector
Fuse size NH 2
Rated current 400 A
Connection type M10 screw terminals
Monitoring Integrated electronic fuse monitoring
Mounting Panel mounting
Application Low voltage power distribution
Approximate weight 380 g

Frequently Asked Questions

What is the Wöhner 33331 used for?

It is an NH fuse switch disconnector designed to provide safe isolation and overcurrent protection within industrial power distribution systems.

What fuse size does it accept?

The Wöhner 33331 is designed for NH size 2 fuse links.

What is the rated current?

The switch disconnector has a 400 A current rating.

Does it include fuse monitoring?

Yes. It incorporates integrated electronic fuse monitoring to assist with rapid identification of blown fuse links.

Where is the Wöhner 33331 typically installed?

It is commonly installed within industrial switchboards, motor control centres and electrical distribution panels.

Trusted for Industrial Power Distribution

Wöhner electrical distribution components are trusted worldwide by switchgear manufacturers, panel builders and industrial engineers for reliable, safe and efficient low voltage power distribution.

● 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.

 Tick  Priority sourcing and supply support

 Tick  Flexible payment terms for qualifying organisations

 Tick  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...