Wöhner 33551 QUADRON 60Classic Speed 3-pole 320 A busbar-mounted switch disconnector with M10 top-connected screw terminals, double-breaking contacts and snap-action switching mechanism.
£661.21
The Wöhner 33551 is a heavy-duty 3-pole switch disconnector designed for safe switching and reliable isolation of high-current electrical circuits in industrial power distribution systems. As part of the trusted Wöhner QUADRON 60Classic Speed range, it is engineered for direct mounting onto compatible 60 mm busbar systems, making it ideal for switchboards, motor control centres and OEM electrical assemblies.
Featuring an operator-independent spring-controlled snap-action mechanism, the Wöhner 33551 provides consistent switching performance regardless of handle operation. Double-breaking main contacts deliver dependable electrical isolation, while the integrated FLAG position indicator allows operators to verify the switch position quickly and safely during operation or maintenance.
With a 320 A rated current, 3-pole configuration and robust M10 top-connected screw terminals, the Wöhner 33551 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.
The Wöhner 33551 is designed to safely isolate high-current three-phase electrical circuits while providing dependable switching performance in demanding industrial environments. Its robust construction and double-breaking contact design help improve operational safety and minimise downtime during maintenance.
CrossLink® adapter technology enables simple and secure installation directly onto compatible busbars, helping panel builders reduce assembly time while creating compact and organised electrical distribution systems.
| Phase | Three Phase |
|---|---|
| Manufacturer | Wöhner |
| Series | QUADRON 60Classic Speed |
| Model | 33551 |
| Alternative part number | 33551000 |
| 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 | Top 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 |
| Protection rating | IP20 |
| Dimensions (W × H × D) | 184 × 314 × 204 mm |
| EAN | 4021267335519 |
The Wöhner 33551 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 help 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 by switchboard manufacturers, machine builders and electrical engineers worldwide for dependable circuit isolation, robust construction and efficient installation within 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...