Why Choose the Wöhner 33705 QUADRON® 185Power Fuse Switch-Disconnector?
The Wöhner 33705 is a compact 250 A NH fuse switch-disconnector engineered for dependable switching, isolation and overcurrent protection in industrial low-voltage power distribution systems. As part of the Wöhner QUADRON® 185Power range, this flat version combines a space-saving design with reliable three-pole switching, making it ideal for modern switchboards where installation depth is limited.
Designed for installation on 185 mm busbar systems, the Wöhner 33705 accommodates busbars measuring 30, 40, 60, 80, 100 or 120 × 10 mm. Its robust M12 screw terminals provide secure cable connections, while the lockable cover and self-closing inspection holes improve operational safety and simplify routine maintenance.
Compatible with NH 1 fuse links, the Wöhner 33705 offers dependable circuit protection for feeders, motor control centres and industrial distribution equipment. The modular QUADRON® platform allows easy integration alongside other switching and protection devices within the same 185Power busbar system.
Key Advantages
- Compact 250 A NH fuse switch-disconnector.
- Space-saving flat version for reduced installation depth.
- Designed for the QUADRON® 185Power busbar system.
- Compatible with NH 1 fuse links.
- Three-pole switchable design for safe circuit isolation.
- Lockable cover with self-closing inspection holes.
Key Features
- Wöhner QUADRON® 185Power series.
- 250 A rated current.
- Size NH 1.
- Three-pole switchable construction.
- Flat version with M12 screw terminals.
- Suitable for 185 mm busbar systems.
- Compatible with drilled busbars.
- Front protection rating of IP20.
Reliable Protection for Industrial Installations
The Wöhner 33705 combines manual switching with NH fuse protection, enabling engineers to safely isolate electrical circuits while protecting downstream equipment against overloads and short circuits. Its flat construction helps maximise available panel space without compromising accessibility or safety.
The modular QUADRON® 185Power platform enables fuse switch-disconnectors, circuit breakers and accessories to be combined on a common 185 mm busbar system, simplifying installation and future expansion.
Typical Applications
- Industrial low-voltage switchboards.
- Main and sub-distribution panels.
- Motor control centres.
- Machine building and OEM equipment.
- Manufacturing facilities.
- Commercial electrical installations.
