Why Choose the Wöhner 33774 In-line Fuse Switch Disconnector?
The Wöhner 33774 is a robust NH size 00 in-line fuse switch disconnector designed for safe and reliable protection of industrial power distribution systems. Manufactured by Wöhner, it is engineered for demanding switchgear and control panel applications where dependable isolation and fuse protection are essential. It features box terminals for conductors up to 70 mm² and is suitable for use on 185 mm busbar systems.
Designed for industrial environments, the Wöhner 33774 combines compact dimensions with excellent electrical performance, making it suitable for OEM machine builders, switchboard manufacturers and electrical contractors. The in-line design helps optimise panel layouts while ensuring safe fuse replacement and dependable circuit isolation.
With a 160 A rated current, 690 V AC operating voltage and support for NH00 fuse links, the 33774 provides reliable overcurrent protection for a wide variety of industrial power distribution applications.
Designed for industrial switchgear and distribution systems.
Reliable Protection for Industrial Power Distribution
The Wöhner 33774 is designed to provide dependable switching, isolation and overcurrent protection in industrial electrical systems. Its high-quality construction and secure box terminal connections ensure long service life and reliable operation even in demanding environments.
Suitable for industrial switchboards, motor control centres and power distribution assemblies, the 33774 helps maintain electrical safety while simplifying installation and maintenance procedures.
Typical Applications
Industrial switchboards.
Power distribution systems.
Motor control centres.
Machine building.
OEM electrical equipment.
Industrial automation panels.
Technical Specifications
Current
160 A
Manufacturer
Wöhner
Model
33774
Alternative SKU
33774000A
Product type
NH in-line fuse switch disconnector
Rated current
160 A
Fuse size
NH00
Number of poles
1
Rated operating voltage
690 V AC
Conditional short-circuit current
100 kA
Connection type
Box terminal, up to 70 mm²
Busbar centre spacing
185 mm
Mounting
Busbar mounting
Frequently Asked Questions
What is the Wöhner 33774 used for?
It provides safe switching, isolation and fuse protection for industrial power distribution systems using NH00 fuse links.
What is the rated current?
The Wöhner 33774 has a rated current of 160 A.
Which fuse size does it use?
The unit is designed for NH size 00 fuse links.
What conductor size can be connected?
The integrated box terminals accept conductors up to 70 mm².
Where is the Wöhner 33774 typically installed?
It is commonly installed in industrial switchboards, distribution panels and machine control systems mounted on 185 mm busbar systems.
Trusted by Panel Builders Worldwide
Wöhner fuse switch disconnectors are trusted by electrical engineers and switchgear manufacturers worldwide for delivering reliable protection, safe isolation and long-term performance in industrial power distribution systems.
Current
160 A
Manufacturer
Wöhner
Model
33774
Alternative SKU
33774000A
Product type
NH in-line fuse switch disconnector
Rated current
160 A
Fuse size
NH00
Number of poles
1
Rated operating voltage
690 V AC
Conditional short-circuit current
100 kA
Connection type
Box terminal, up to 70 mm²
Busbar centre spacing
185 mm
Mounting
Busbar mounting
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.
What product ranges do you supply
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...