Wöhner 33552 QUADRON Panel Speed 3-pole 320 A switch disconnector for mounting plate installation with M10 screw terminals, snap-action switching mechanism and double-breaking contacts.
£586.56
The Wöhner 33552 is a heavy-duty 3-pole switch disconnector designed for safe switching and reliable isolation of high-current electrical circuits in industrial control panels and power distribution systems. As part of the proven Wöhner QUADRON Panel Speed range, it is designed for mounting plate installation, making it an excellent solution for OEM machinery, switchboards and industrial electrical assemblies.
Featuring an operator-independent spring-controlled snap-action mechanism, the Wöhner 33552 delivers dependable switching performance even during frequent operation. Double-breaking main contacts provide reliable electrical isolation, while the integrated FLAG position indicator clearly displays the switch position for improved operator safety during maintenance and servicing.
With a 320 A rated current, 3-pole configuration and robust M10 screw terminals, the Wöhner 33552 is suitable for demanding industrial applications. It can be locked in the neutral position using up to three padlocks and is approved for use as a mains disconnector when installed in accordance with IEC / EN 60204-1 requirements.
The Wöhner 33552 provides a dependable means of manually isolating high-current electrical circuits before maintenance, servicing or inspection. Its robust construction and double-breaking contact design help ensure safe operation in demanding industrial environments while delivering long service life.
Designed specifically for mounting plate installation, the QUADRON Panel Speed series offers straightforward integration into electrical control panels and switchboards, making it a preferred choice for machine builders and industrial panel manufacturers.
| Phase | Three Phase |
|---|---|
| Manufacturer | Wöhner |
| Series | QUADRON Panel Speed |
| Model | 33552 |
| Alternative part number | 33552000 |
| Type designation | QCS-320 |
| Product type | Switch disconnector |
| Rated current | 320 A |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 800 V AC |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Number of poles | 3 |
| Terminal type | M10 screw terminals |
| Mounting type | Mounting plate |
| Switching mechanism | Spring-controlled snap action |
| Main contacts | Double breaking |
| Protection rating | IP20 (front) |
| Dimensions (W × H × D) | 184 × 314 × 203 mm |
| Weight | approx. 5.39 kg |
| EAN | 4021267335526 |
The Wöhner 33552 is designed to safely switch and isolate three-phase electrical circuits in industrial control panels and power distribution systems.
The switch disconnector has a rated operational current of 320 A.
The unit is designed for mounting plate installation inside electrical enclosures.
Yes. The operating mechanism can be locked in the neutral position using up to three padlocks to improve maintenance safety.
Yes. When installed in accordance with IEC / EN 60204-1 and the relevant utilisation category, it can be used as a mains disconnector.
Wöhner QUADRON Panel switch disconnectors are widely trusted by panel builders, OEM manufacturers and electrical engineers for reliable circuit isolation, robust construction and dependable performance in industrial electrical installations.
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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...