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33510 Wohner switch disconnector with fuses, 3-pole
Wöhner 33510 QUADRON 60Classic Speed three-pole NH size 1 fuse switch-disconnector with 250 A rating, bottom M10 screw terminals and CrossLink® busbar mounting.
£597.21
Why Choose the Wöhner 33510 QUADRON® 60Classic Speed Fuse Switch-Disconnector?
The Wöhner 33510 is a heavy-duty three-pole NH fuse switch-disconnector engineered for safe switching, circuit isolation and overcurrent protection in industrial low-voltage power distribution systems. As part of the proven QUADRON® 60Classic Speed range, it is designed for demanding industrial applications requiring reliable switching performance with NH size 1 fuse links rated up to 250 A.
The switch-disconnector incorporates an operator-independent snap-action switching mechanism with double-breaking main contacts, ensuring fast and dependable switching regardless of operating speed. Safe, tool-free fuse replacement is possible thanks to the double-breaking design, while removing the cover and fuse links provides an additional visible isolation gap for maintenance.
Designed for direct installation onto Wöhner 60Classic busbar systems, the Wöhner 33510 features robust M10 bottom screw terminals and CrossLink® adapter technology for quick, secure mounting. It is suitable for use as a main isolator in accordance with IEC/EN 60204-1 and is widely used in industrial switchboards, machinery and OEM power distribution equipment.
Key Advantages
- Industrial NH size 1 fuse switch-disconnector for switching, isolation and circuit protection.
- 250 A rated current for higher-power industrial applications.
- Operator-independent snap-action switching mechanism.
- Double-breaking contacts allow safe, tool-free fuse replacement.
- Can be locked in the OFF position using up to three padlocks.
- CrossLink® technology enables rapid installation onto 60Classic busbars.
Key Features
- Wöhner QUADRON® 60Classic Speed series.
- Three-pole fuse switch-disconnector.
- NH size 1 fuse compatibility.
- 250 A rated current.
- 690 V AC rated operating voltage.
- M10 screw terminals with bottom cable connection.
- FLAG indicator clearly displays switch position.
- Busbar-mounted using CrossLink® adapter technology.
Reliable High-Current Protection for Industrial Power Distribution
The Wöhner 33510 combines dependable load switching, circuit isolation and overcurrent protection in a compact busbar-mounted assembly. Its spring-controlled switching mechanism delivers consistent operation during frequent switching duties, while the double-breaking contact system enhances operator safety during fuse replacement and maintenance.
CrossLink® adapter technology enables fast, secure installation onto compatible Wöhner 60Classic busbar systems without compromising electrical performance. The switch-disconnector is suitable for use as a mains disconnector in accordance with IEC/EN 60204-1, making it ideal for modern industrial switchgear assemblies.
Typical Applications
- Industrial switchboards.
- Main power distribution panels.
- Motor control centres.
- OEM machinery.
- Manufacturing facilities.
- Industrial automation systems.
Technical Specifications
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| Fuse Size | NH1 | |
|---|---|---|
| Device Type | Fuse switch disconnector | |
| Fuse Type | NH (DIN) | |
| Mounting Type | Busbar system 60 mm | |
| Busbar Centre Distance (mm) | 60 mm | |
| Product Series | Wöhner 60Classic | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Manufacturer | Wöhner | |
| Series | QUADRON® 60Classic Speed | |
| Model | 33510 | |
| Full part number | 33510000 | |
| Type number | QCS-NH1 | |
| Product type | NH fuse switch-disconnector | |
| Fuse size | NH 1 | |
| Number of poles | 3 | |
| Rated current | 250 A | |
| Rated operating voltage | 690 V AC | |
| Rated insulation voltage (Ui) | 800 V AC | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Utilisation category | AC-23B (690 V / 250 A), AC-23A (500 V / 250 A), AC-22A (690 V / 250 A) | |
| Conditional short-circuit current | 50 kA with suitable NH fuse links | |
| Connection type | M10 screw terminal, bottom connection | |
| Mounting type | Busbar mounted | |
| Busbar compatibility | 12, 15, 20, 25, 30 × 5 mm, 10 mm and section busbars | |
| Dimensions (W × H × D) | 184 × 286 × 194 mm | |
| Weight | approx. 5.67 kg | |
| Pack size | 1 | |
| EAN | 4021267335106 |
Frequently Asked Questions
What is the Wöhner 33510 used for?
It is an NH size 1 fuse switch-disconnector used for switching, circuit isolation and overcurrent protection in industrial low-voltage power distribution systems.
Which fuse size is compatible?
The Wöhner 33510 is designed for NH size 1 fuse links manufactured in accordance with IEC / HD 60269-2.
What is the rated current?
The switch-disconnector has a rated current of 250 A with a maximum rated operating voltage of 690 V AC.
How are the cables connected?
The unit features robust M10 screw terminals with bottom cable connection for secure industrial wiring.
Can the Wöhner 33510 be used as a mains isolator?
Yes. It is suitable for use as a mains disconnector in accordance with IEC/EN 60204-1 when installed and operated as specified by the manufacturer.
Trusted by Panel Builders Worldwide
Wöhner QUADRON® 60Classic Speed fuse switch-disconnectors are trusted by electrical engineers, panel builders and OEM manufacturers for delivering dependable switching, reliable circuit protection and long-term industrial performance.
