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33553 Wohner switch-disconnector 3-pole
Wöhner 33553 QUADRON 60Classic Speed 3-pole 320 A busbar-mounted switch disconnector with M10 bottom-connected screw terminals and provision for a door coupling rotary handle.
£528.97
Why Choose the Wöhner 33553 Switch Disconnector?
The Wöhner 33553 is a heavy-duty 3-pole switch disconnector designed for the safe isolation and switching of high-current electrical circuits in industrial power distribution systems. Part of the proven Wöhner QUADRON 60Classic Speed range, it is engineered for direct mounting onto compatible 60 mm busbar systems and is operated using a door coupling rotary handle, making it ideal for switchboards, motor control centres and OEM electrical assemblies.
The switch incorporates an operator-independent spring-controlled snap-action mechanism that delivers fast and reliable switching regardless of handle speed. Double-breaking main contacts provide dependable electrical isolation, while the integrated FLAG position indicator clearly displays the switch position for safer operation and maintenance.
With a 320 A rated current, 3-pole configuration and M10 bottom-connected screw terminals, the Wöhner 33553 is suitable for demanding industrial installations. The switch can be locked in the neutral position using up to three padlocks and may also be used as a mains disconnector or Emergency Off switch when installed with the appropriate red/yellow door coupling handle in accordance with IEC / EN 60204-1.
Key Advantages
- Heavy-duty 3-pole switch disconnector for industrial power distribution.
- 320 A rated operational current.
- Designed for compatible 60 mm busbar systems.
- Door coupling rotary handle operation.
- Operator-independent snap-action switching mechanism.
- Double-breaking contacts provide dependable electrical isolation.
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 switching mechanism.
- Double-breaking main contacts.
- Integrated FLAG switch position indicator.
- CrossLink® adapter technology.
- Lockable in the neutral position with up to three padlocks.
- Suitable for mains isolation and Emergency Off applications when correctly configured.
Reliable Isolation for Industrial Power Distribution
The Wöhner 33553 provides dependable manual isolation for high-current three-phase electrical circuits, helping engineers safely disconnect equipment before servicing or maintenance. Its robust construction, snap-action mechanism and double-breaking contacts deliver reliable long-term performance in demanding industrial environments.
CrossLink® adapter technology enables fast, secure installation directly onto compatible busbars, reducing assembly time while simplifying switchboard construction for panel builders and OEM machine manufacturers.
Typical Applications
- Industrial switchboards.
- Main incoming isolators.
- Motor control centres.
- Industrial control panels.
- OEM machinery.
- Power distribution systems.
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 | 33553 | |
| Alternative part number | 33553000 | |
| Type designation | QCS-320 | |
| Product type | Busbar-mounted switch disconnector | |
| Rated current | 320 A | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 800 V AC | |
| Rated impulse withstand voltage | 8 kV | |
| Number of poles | 3 | |
| Terminal type | M10 screw terminals | |
| Terminal position | Bottom connection | |
| Mounting type | 60 mm busbar system | |
| Compatible busbars | 12, 15, 20, 25 and 30 × 5 / 10 mm flat busbars and section busbars | |
| Protection rating | IP20 | |
| Dimensions (W × H × D) | approx. 184 × 286 × 192 mm | |
| EAN | 4021267335533 |
Frequently Asked Questions
What is the Wöhner 33553 used for?
The Wöhner 33553 is designed for switching and safely isolating high-current three-phase electrical circuits in industrial power distribution systems.
What is the rated current of the Wöhner 33553?
The switch disconnector has a rated operational current of 320 A.
Does the Wöhner 33553 include a door coupling handle?
No. The switch is designed for use with a compatible door coupling rotary handle, which is supplied separately.
Can the switch be locked during maintenance?
Yes. The operating mechanism can be locked in the neutral position using up to three padlocks to help prevent accidental operation.
Can the Wöhner 33553 be used as an Emergency Off switch?
Yes. When used with the appropriate red/yellow door coupling rotary handle and installed in accordance with IEC / EN 60204-1, it can be used as an Emergency Off switch.
Trusted by Industrial Panel Builders
Wöhner QUADRON 60Classic Speed switch disconnectors are trusted by panel builders, machine manufacturers and electrical engineers worldwide for dependable circuit isolation, efficient busbar installation and reliable industrial performance.
