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.
£661.21
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.
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.
| Phase | Three Phase |
|---|---|
| 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 |
The Wöhner 33550 is used for switching and safely isolating high-current three-phase electrical circuits in industrial power distribution systems.
The switch disconnector has a rated operational current of 320 A.
The unit mounts directly onto compatible 60 mm busbar systems using Wöhner CrossLink® technology.
Yes. The operating mechanism can be locked in the neutral position using up to three padlocks to prevent accidental operation.
Yes. When installed in accordance with IEC / EN 60204-1 and the appropriate utilisation category, it can be used as a mains disconnector.
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.
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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...