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33203 Wohner NH fuse switch-discon. size 3, 630 A, panel mounting
Wöhner 33203 QUADRON Panel NH size 2 fuse switch disconnector rated at 400 A with M10 screw terminals for industrial low-voltage power distribution.
£238.14
Why Choose the Wöhner 33203 NH Fuse Switch Disconnector?
The Wöhner 33203 is a heavy-duty NH size 2 fuse switch disconnector designed for reliable switching, circuit isolation and fuse protection in industrial low-voltage power distribution systems. Part of the established Wöhner QUADRON® Panel range, it provides a robust panel-mounted solution for switchboards, motor control centres and high-current distribution equipment.
Designed for use with compatible NH 2 fuse links, the Wöhner 33203 combines dependable switching performance with effective protection against overload and short-circuit conditions. Its protective construction helps reduce accidental contact with live components, while the inspection facilities support convenient fuse checks during routine maintenance.
With a rated current of 400 A, a rated operational voltage of up to 690 V AC and robust M10 screw terminals, the Wöhner 33203 is well suited to demanding industrial applications requiring secure high-current conductor connections. Its panel-mounted design supports straightforward integration into professional low-voltage distribution assemblies.
Key Advantages
- Heavy-duty NH size 2 fuse switch disconnector.
- 400 A rated current for high-current power distribution.
- Designed for compatible NH 2 fuse links.
- M10 screw terminals provide secure conductor connections.
- Combines switching, isolation and fuse protection in one device.
- Panel-mounted construction supports efficient switchboard assembly.
Key Features
- Wöhner QUADRON® Panel series.
- NH size 2 fuse switch disconnector.
- 400 A nominal current rating.
- Suitable for NH 2 fuse links.
- Rated operational voltage up to 690 V AC.
- Robust M10 screw conductor terminals.
- Three-pole switching configuration.
- Protective cover with inspection facilities.
Reliable High-Current Protection and Isolation
NH fuse switch disconnectors combine manual circuit switching and isolation with the overcurrent protection provided by NH fuse links. The Wöhner 33203 allows high-current electrical circuits to be disconnected for servicing while helping protect cables and downstream equipment against overloads and short circuits.
Its robust panel-mounted construction and M10 screw terminals provide dependable conductor retention in demanding installations. The correct fuse-link rating, conductor size and terminal tightening torque should always be selected in accordance with the applicable Wöhner installation documentation.
Typical Applications
- Industrial switchboards and distribution boards.
- Motor control centres.
- Main power distribution panels.
- Machine-building and OEM electrical equipment.
- Commercial and industrial electrical installations.
- High-current circuit protection and isolation.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Fuse switch disconnector | |
|---|---|---|
| Current | 630 A | |
| Mounting Type | Base / panel | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Poles | 3-pole | |
| Manufacturer | Wöhner | |
| Series | QUADRON® Panel | |
| Model | 33203 | |
| Product type | NH fuse switch disconnector | |
| Fuse size | NH 2 | |
| Rated current | 400 A | |
| Rated operational voltage | Up to 690 V AC | |
| Connection type | M10 screw terminals | |
| Number of poles | 3 | |
| Mounting type | Panel / mounting-plate installation | |
| Fuse-link standard | IEC / HD 60269-2 | |
| Switchgear standards | IEC 60947-1 and IEC 60947-3 | |
| Manufacturer article number | 33203 | |
| Application | Industrial low-voltage power distribution |
Frequently Asked Questions
What is the Wöhner 33203 used for?
The Wöhner 33203 is used for switching, isolating and protecting high-current low-voltage circuits with compatible NH fuse links.
Which fuse size is compatible with the Wöhner 33203?
The fuse switch disconnector is designed for compatible NH size 2 fuse links.
What is the rated current of the Wöhner 33203?
The Wöhner 33203 has a rated current of 400 A.
What conductor connection does the unit use?
The unit uses robust M10 screw terminals for secure high-current conductor termination.
Where is the Wöhner 33203 normally installed?
It is typically mounted on a plate inside industrial switchboards, main distribution panels and motor control centres.
Trusted by Electrical Professionals Worldwide
Wöhner QUADRON® fuse switch disconnectors are widely used by panel builders and electrical engineers to deliver safe isolation, dependable fuse protection and reliable high-current power distribution.
