Why Choose the Wöhner 33333 NH Fuse Switch Disconnector?
The Wöhner 33333 is a high capacity NH fuse switch disconnector designed to provide safe switching, isolation and overcurrent protection in industrial low voltage power distribution systems. Manufactured by Wöhner, this panel-mounted device delivers dependable performance for demanding electrical installations requiring reliable protection and efficient maintenance.
Built for use with NH size 3 fuse links, the Wöhner 33333 features a durable construction suitable for modern switchboards, motor control centres and distribution panels. Its robust design ensures dependable operation while supporting the safe isolation of high-current circuits during maintenance and servicing.
With a 630 A rated current, M12 screw terminals and panel mounting configuration, the Wöhner 33333 is ideal for protecting feeders, transformers, industrial machinery and power distribution equipment operating in demanding environments.
Key Advantages
Heavy-duty NH fuse switch disconnector for industrial power distribution.
630 A rated current for high-current applications.
Designed for NH size 3 fuse links.
Secure M12 screw terminal connections.
Robust panel-mounted construction for switchgear assemblies.
Provides reliable circuit isolation and overcurrent protection.
Key Features
Manufacturer: Wöhner.
Part number: 33333.
NH size 3 fuse switch disconnector.
630 A rated current.
M12 screw terminal connections.
Three-pole switching.
Panel-mounted installation.
Suitable for industrial low voltage distribution systems.
Reliable Protection for Industrial Power Distribution
The Wöhner 33333 combines reliable switching, isolation and fuse protection in a compact panel-mounted design. It enables maintenance engineers to safely isolate electrical circuits while providing dependable protection against overload and short-circuit faults.
Designed for industrial environments, the unit is widely used in switchgear assemblies and distribution systems where reliability, operational safety and long service life are essential.
Typical Applications
Main low voltage distribution boards.
Industrial switchgear.
Motor control centres.
Machine building and OEM equipment.
Power distribution panels.
Manufacturing and process industries.
Technical Specifications
Phase
Three Phase
Manufacturer
Wöhner
Part number
33333
Product type
NH fuse switch disconnector
Fuse size
NH 3
Rated current
630 A
Number of poles
3
Connection type
M12 screw terminals
Mounting
Panel mounting
Rated voltage
Up to 690 V AC
Application
Industrial low voltage power distribution
Protection
NH fuse protection
Weight
Approx. 4.9 kg
Frequently Asked Questions
What is the Wöhner 33333 used for?
It is used for switching, isolating and protecting high-current electrical circuits in industrial low voltage power distribution systems.
What fuse size does the Wöhner 33333 support?
The device is designed for NH size 3 fuse links.
What is the rated current?
The Wöhner 33333 has a 630 A rated operational current.
How is the unit connected?
The switch disconnector uses secure M12 screw terminal connections for reliable conductor termination.
Where is the Wöhner 33333 typically installed?
It is commonly installed in industrial switchboards, motor control centres and electrical distribution panels.
Trusted for Industrial Power Distribution
Wöhner fuse switch disconnectors are trusted worldwide by electrical engineers, panel builders and OEM manufacturers for delivering safe, reliable and efficient power distribution solutions.
Phase
Three Phase
Manufacturer
Wöhner
Part number
33333
Product type
NH fuse switch disconnector
Fuse size
NH 3
Rated current
630 A
Number of poles
3
Connection type
M12 screw terminals
Mounting
Panel mounting
Rated voltage
Up to 690 V AC
Application
Industrial low voltage power distribution
Protection
NH fuse protection
Weight
Approx. 4.9 kg
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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.
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...
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...