Why Choose the Wöhner 33638 NH In-Line Fuse Switch-Disconnector?
The Wöhner 33638 is a high-performance NH in-line fuse switch-disconnector designed to provide safe switching, dependable electrical isolation and reliable overcurrent protection in demanding low-voltage power distribution systems. Part of the Wöhner QUADRON® 185Power Speed series, this NH size 2 device incorporates integrated fuse monitoring and a bottom M12 screw connection, making it ideal for industrial switchboards, motor control centres and OEM panel-building applications.
The operator-independent snap-action switching mechanism delivers fast and consistent operation regardless of handle speed, while the double-breaking contact system enhances switching performance and safety. Integrated fuse monitoring enables rapid identification of blown fuse links, helping minimise downtime and simplify maintenance procedures.
Designed for installation on 30, 40, 60, 80, 100 and 120 × 10 mm busbars, the Wöhner 33638 features a touch-safe construction when open, a lockable and sealable operating cover, and compatibility with the modular 185Power busbar system for flexible industrial installations.
Key Advantages
- Industrial NH size 2 in-line fuse switch-disconnector.
- Integrated fuse monitoring for rapid fault indication.
- Operator-independent snap-action switching mechanism.
- Double-breaking contacts for enhanced switching safety.
- Bottom M12 screw connection.
- Compatible with 185Power 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.
- Integrated fuse monitoring.
- Bottom M12 screw connection.
- Operator-independent snap-action switching.
- Double-breaking contact system.
- Suitable for busbars measuring 30, 40, 60, 80, 100 and 120 × 10 mm.
- Touch-safe construction when open.
- Lockable cover with double-bit lock.
Reliable Switching for Industrial Power Distribution
The Wöhner 33638 combines safe switching, dependable isolation and high-capacity fuse protection in a robust industrial assembly. Integrated fuse monitoring enables maintenance personnel to identify blown fuse links immediately, reducing downtime and improving maintenance efficiency in critical installations.
Its bottom-entry M12 connection, operator-independent switching mechanism, touch-safe construction and lockable operating cover make it an excellent solution for modern industrial switchgear where operational safety, reliability and ease of servicing 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.
