Why Choose the Wöhner 33633 NH In-Line Fuse Switch-Disconnector?
The Wöhner 33633 is a heavy-duty NH in-line fuse switch-disconnector engineered to provide safe switching, dependable electrical isolation and reliable overcurrent protection in industrial low-voltage power distribution systems. As part of the Wöhner QUADRON® 185Power Speed series, this NH size 2 device is designed for demanding switchboards, motor control centres and OEM panel-building applications. It features a top M12 screw connection, a double-breaking contact system and an operator-independent snap-action mechanism for maximum safety and reliability.
The operator-independent snap-action mechanism delivers fast, consistent switching regardless of handle speed, while the double-breaking contact arrangement provides enhanced arc interruption and safer fuse replacement. Designed for use on the Wöhner 185Power busbar system, the device supports busbars measuring 30, 40, 60, 80, 100 and 120 × 10 mm.
Its robust industrial construction includes a lockable and sealable operating cover, touch-safe design when open and compatibility with standard NH size 2 fuse links, making it an excellent solution for industrial power distribution installations requiring dependable performance and high operational safety.
Key Advantages
- Industrial NH size 2 in-line fuse switch-disconnector.
- Part of the Wöhner QUADRON® 185Power Speed range.
- Operator-independent snap-action switching mechanism.
- Double-breaking contacts for improved switching safety.
- Top M12 screw connection.
- Compatible with multiple industrial busbar systems.
- Lockable and sealable operating cover.
Key Features
- Wöhner QUADRON® 185Power Speed series.
- Suitable for NH size 2 fuse links.
- Three-pole fuse switch-disconnector.
- Top M12 screw connection.
- Operator-independent snap-action switching.
- Double-breaking contact system.
- Suitable for busbars measuring 30 to 120 × 10 mm.
- Touch-safe construction when open.
- Lockable cover with double-bit lock.
- Accessory required for busbar mounting.
Reliable Switching for Industrial Power Distribution
The Wöhner 33633 combines reliable switching, safe isolation and high-capacity fuse protection within a durable industrial assembly. When used with suitable NH size 2 fuse links, it protects electrical installations against overloads and short circuits while providing safe isolation for maintenance and servicing.
Its top-entry M12 connection simplifies installation where cable routing requires upper termination, while the snap-action mechanism, double-breaking contacts and touch-safe design make it well suited to demanding industrial switchgear applications.
Typical Applications
- Industrial switchboards.
- 185 mm busbar power distribution systems.
- Main and sub-distribution panels.
- Motor control centres.
- Industrial automation equipment.
- Machine building.
- Commercial electrical installations.
- OEM panel-building projects.