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33512 Wohner switch disconnector with fuses, 3-pole
Wöhner 33512 QUADRON Panel Speed three-pole NH size 1 fuse switch-disconnector with M10 screw terminals, panel mounting and a 250 A rating.
£528.97
Why Choose the Wöhner 33512 QUADRON® Panel Speed Fuse Switch-Disconnector?
The Wöhner 33512 is a robust three-pole NH size 1 fuse switch-disconnector designed for safe switching, isolation and overcurrent protection in demanding industrial power distribution applications. As part of the QUADRON® Panel Speed range, it combines a compact panel-mounted design with an operator-independent snap-action switching mechanism, delivering fast, reliable switching and dependable long-term performance.
Designed for use with NH size 1 fuse links, the Wöhner 33512 is rated at 250 A and operates at up to 690 V AC. The unit is intended for mounting on a backplate and features M10 screw terminals for secure cable termination, making it an excellent choice for OEM machinery, industrial switchboards and low-voltage distribution panels.
Its double-breaking main contacts provide improved electrical isolation while enabling safe, tool-free fuse replacement. When fitted with a compatible rotary door handle, the switch-disconnector can be safely operated from outside the enclosure, improving operator safety and simplifying maintenance procedures.
Key Advantages
- Three-pole NH size 1 fuse switch-disconnector for industrial power distribution.
- 250 A rated current for demanding applications.
- Panel-mounted construction for flexible enclosure layouts.
- Operator-independent snap-action switching mechanism.
- Double-breaking contacts for safe fuse replacement.
- Designed for operation using a compatible door coupling rotary handle.
Key Features
- Wöhner QUADRON® Panel Speed series.
- Three-pole fuse switch-disconnector.
- Compatible with NH size 1 fuse links.
- 250 A rated current.
- 690 V AC operating voltage.
- M10 screw terminals.
- Panel-mounted installation.
- Visible switch position indicator.
Designed for Reliable Industrial Switching
The Wöhner 33512 is engineered to provide dependable switching performance in industrial environments where safety and reliability are essential. Its spring-assisted snap-action mechanism delivers consistent switching independent of operator speed, while the double-breaking contacts enhance isolation and simplify maintenance.
As part of the QUADRON® Panel Speed family, the switch-disconnector offers a compact solution for modern electrical panels while maintaining the high levels of protection and operational reliability expected from Wöhner products.
Applications
- Industrial switchboards.
- Main distribution panels.
- Motor control centres.
- OEM machinery.
- Process automation systems.
- Industrial power distribution installations.
Technical Specifications
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| Device Type | Fuse switch disconnector | |
|---|---|---|
| Mounting Type | Base / panel | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH1 | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Manufacturer | Wöhner | |
| Series | QUADRON® Panel Speed | |
| Model | 33512 | |
| Full part number | 33512000 | |
| Product type | NH fuse switch-disconnector | |
| Fuse size | NH 1 | |
| Number of poles | 3 | |
| Rated current | 250 A | |
| Rated operating voltage | 690 V AC | |
| Connection type | M10 screw terminals | |
| Mounting type | Panel mounted | |
| Switching mechanism | Operator-independent snap-action | |
| Operation | Door coupling rotary handle | |
| Application | Industrial low-voltage power distribution | |
| EAN | 4021267335120 |
Frequently Asked Questions
What is the Wöhner 33512 used for?
It is a three-pole NH size 1 fuse switch-disconnector used for switching, circuit isolation and overcurrent protection in industrial electrical installations.
Which fuse size is compatible?
The Wöhner 33512 is designed for standard NH size 1 fuse links.
What is the rated current?
The device has a rated operational current of 250 A.
Can it be operated through the enclosure door?
Yes. The switch-disconnector is designed for use with a compatible Wöhner door coupling rotary handle, allowing safe external operation.
Where is the Wöhner 33512 typically installed?
It is commonly installed in industrial control panels, OEM machinery, switchboards and low-voltage power distribution systems.
Trusted by Electrical Professionals
Wöhner QUADRON® Panel Speed fuse switch-disconnectors are trusted worldwide by panel builders, machine manufacturers and electrical engineers for dependable switching, reliable protection and long service life.
