Why Choose the Wöhner 33631 NH In-Line Fuse Switch-Disconnector?
The Wöhner 33631 is a heavy-duty NH in-line fuse switch-disconnector designed for safe switching, dependable circuit isolation and reliable overcurrent protection within industrial low-voltage power distribution systems. Part of the Wöhner QUADRON® 185Power Speed series, this NH size 1 device is ideal for industrial switchboards, motor control centres and OEM panel-building applications.
Featuring an operator-independent snap-action switching mechanism, the Wöhner 33631 delivers fast and consistent switching regardless of operating handle speed. Its double-breaking contact system enhances switching performance while ensuring safe isolation during maintenance and servicing.
Designed with a top M12 screw connection, the switch-disconnector is suitable for installation on 30, 40, 60, 80, 100 and 120 × 10 mm busbars. It forms part of the modular 185Power busbar system and requires the appropriate mounting accessories for installation.
Key Advantages
- Industrial NH size 1 in-line fuse switch-disconnector.
- Part of the Wöhner QUADRON® 185Power Speed system.
- Operator-independent snap-action switching mechanism.
- Double-breaking contact design for reliable switching.
- Top M12 screw connection.
- Compatible with multiple industrial busbar systems.
- Lockable and sealable cover for enhanced operational safety.
Key Features
- Wöhner QUADRON® 185Power Speed series.
- Suitable for NH size 1 fuse links.
- Three-pole fuse switch-disconnector.
- Top M12 screw connection.
- Operator-independent snap-action switching.
- Double-breaking switching mechanism.
- Suitable for busbars measuring 30 to 120 × 10 mm.
- Lockable cover with double-bit lock.
- Touch-safe design when the cover is open.
- Halogen-free construction.
Reliable Switching for Industrial Power Distribution
The Wöhner 33631 combines dependable switching, electrical isolation and high-capacity fuse protection in one robust industrial assembly. When fitted with suitable NH size 1 fuse links, it helps protect electrical equipment against overloads and short circuits while providing a safe means of disconnecting power during maintenance procedures.
Its operator-independent switching mechanism, touch-safe construction and lockable cover make the device well suited to industrial switchgear where safety, reliability and ease of maintenance are essential.
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.