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33550 Wohner switch-disconnector 3-pole
Wöhner 33550 QUADRON 60Classic Speed 3-pole 320 A busbar-mounted switch disconnector with M10 bottom screw terminals, double-breaking contacts and snap-action switching mechanism.
£528.97
Why Choose the Wöhner 33550 Switch Disconnector?
The Wöhner 33550 is a heavy-duty 3-pole switch disconnector designed for safe isolation and reliable switching of high-current electrical circuits. Part of the proven Wöhner QUADRON 60Classic Speed range, it mounts directly onto compatible 60 mm busbar systems, making it ideal for industrial switchboards, motor control centres and power distribution assemblies.
Engineered with an operator-independent spring-controlled snap-action mechanism, the 33550 delivers fast, dependable switching regardless of handle operation. Double-breaking main contacts improve electrical isolation, while the integrated FLAG position indicator provides a clear visual indication of the switch status for enhanced operational safety.
With a 320 A rated current, 3-pole configuration and robust M10 bottom screw terminals, the Wöhner 33550 is designed for demanding industrial applications. The switch can be locked in the neutral position using up to three padlocks and is suitable for use as a mains disconnector when installed in accordance with IEC / EN 60204-1 requirements.
Key Advantages
- Heavy-duty 3-pole switch disconnector for industrial power distribution.
- 320 A rated operational current.
- Direct mounting onto compatible 60 mm busbar systems.
- Operator-independent snap-action switching mechanism.
- Double-breaking main contacts provide dependable circuit isolation.
- Lockable neutral position for improved maintenance safety.
Key Features
- Wöhner QUADRON 60Classic Speed series.
- 320 A rated current.
- 3-pole switching configuration.
- M10 screw terminals with bottom cable connection.
- Spring-controlled snap-action mechanism.
- Double-breaking main contacts.
- Integrated FLAG switch position indicator.
- CrossLink® adapter technology.
- Compatible with 60 mm busbar systems.
- Suitable for frequent switching applications.
Reliable Isolation for High-Current Industrial Systems
The Wöhner 33550 is designed to provide safe manual isolation of high-current electrical circuits in industrial power distribution systems. Its robust mechanical construction, double-breaking contacts and reliable switching mechanism help improve safety during maintenance while delivering dependable long-term performance.
CrossLink® adapter technology enables quick installation directly onto compatible busbars, reducing assembly time and simplifying panel construction for OEMs, switchboard manufacturers and electrical contractors.
Typical Applications
- Industrial power distribution systems.
- Main incoming isolators.
- Motor control centres.
- Electrical switchboards.
- OEM machinery.
- Heavy industrial control panels.
Technical Specifications
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| Mounting Type | Busbar system 60 mm | |
|---|---|---|
| Device Type | Switch Disconnector | |
| Current | 320 A | |
| Rail / Busbar Profile | 12 × 10 mm, 12 × 5 mm, 15 × 10 mm, 15 × 5 mm, 20 × 10 mm, 20 × 5 mm, 25 × 10 mm, 25 × 5 mm, 30 × 10 mm, 30 × 5 mm | |
| Busbar Centre Distance (mm) | 60 mm | |
| Product Series | Wöhner 60Classic | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Manufacturer | Wöhner | |
| Series | QUADRON 60Classic Speed | |
| Model | 33550 | |
| Alternative part number | 33550000 | |
| Type designation | QCS-320 | |
| Product type | Busbar-mounted switch disconnector | |
| Rated current | 320 A | |
| Rated operational voltage | 690 V AC | |
| Number of poles | 3 | |
| Terminal type | M10 screw terminals | |
| Terminal position | Bottom connection | |
| Switching mechanism | Operator-independent snap action | |
| Main contacts | Double breaking | |
| Mounting type | 60 mm busbar system | |
| Compatible busbars | 12, 15, 20, 25 and 30 × 5 / 10 mm flat busbars and section busbars | |
| Dimensions (W × H × D) | 184 × 286 × 204 mm | |
| EAN | 4021267335502 |
Frequently Asked Questions
What is the Wöhner 33550 used for?
The Wöhner 33550 is used for switching and safely isolating high-current three-phase electrical circuits in industrial power distribution systems.
What is the rated current of the Wöhner 33550?
The switch disconnector has a rated operational current of 320 A.
How is the Wöhner 33550 mounted?
The unit mounts directly onto compatible 60 mm busbar systems using Wöhner CrossLink® technology.
Can the switch be locked for maintenance?
Yes. The operating mechanism can be locked in the neutral position using up to three padlocks to prevent accidental operation.
Is the Wöhner 33550 suitable as a mains isolator?
Yes. When installed in accordance with IEC / EN 60204-1 and the appropriate utilisation category, it can be used as a mains disconnector.
Trusted by Industrial Panel Builders
Wöhner QUADRON 60Classic switch disconnectors are trusted worldwide by switchboard manufacturers, machine builders and electrical engineers for reliable isolation, robust construction and efficient installation in industrial power distribution systems.
