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33621 Wohner NH in-line switch-disconnector-fuse size 00
Wöhner 33621 QUADRON 185Power Speed NH size 00 fuse switch-disconnector with bottom M8 screw connection, integrated fuse monitoring and operator-independent switching.
£617.79
Why Choose the Wöhner 33621 NH In-Line Fuse Switch-Disconnector?
The Wöhner 33621 is a premium NH in-line fuse switch-disconnector designed for safe switching, reliable isolation and effective fuse protection in industrial low-voltage power distribution systems. As part of the Wöhner QUADRON® 185Power Speed series, this NH size 00 device is engineered for demanding switchboard, panel-building and busbar applications where dependable performance is essential.
Featuring an operator-independent snap-action switching mechanism, the device delivers consistent switching performance regardless of handle operating speed. Integrated fuse monitoring provides rapid indication of fuse status, helping minimise maintenance time and improve system reliability.
The Wöhner 33621 incorporates a bottom M8 screw connection and is designed for installation on 30, 40, 60, 80, 100 or 120 × 10 mm busbars. Unlike CrossLink-compatible variants, this model is intended for standard screw-connected busbar systems and is not suitable for installations using CrossLink protection modules.
Key Advantages
- Industrial NH size 00 in-line fuse switch-disconnector.
- Integrated fuse monitoring for faster fault identification.
- Operator-independent snap-action switching mechanism.
- Secure bottom M8 screw connection.
- Compatible with a wide range of 185Power busbar sizes.
- Lockable and sealable cover enhances maintenance safety.
Key Features
- Wöhner QUADRON® 185Power Speed series.
- Suitable for NH 000 and NH 00 fuse links.
- Three-pole in-line fuse switch-disconnector.
- Flat-version construction.
- Bottom M8 screw connection.
- Integrated fuse monitoring.
- Operator-independent snap-action switching.
- Suitable for 30 to 120 × 10 mm busbars.
- Cover can be sealed in both ON and OFF positions.
- Can be locked with up to three padlocks when switched OFF.
Reliable Switching and Circuit Protection
NH fuse switch-disconnectors provide both overcurrent protection and dependable circuit isolation within industrial power distribution systems. When fitted with suitable NH fuse links, the Wöhner 33621 helps protect electrical equipment against overloads and short circuits while providing a safe means of disconnecting power during maintenance.
Its operator-independent switching mechanism ensures repeatable switching performance, while integrated fuse monitoring supports faster troubleshooting and reduced downtime. The touch-safe design, lockable cover and robust construction make it ideal for modern industrial switchgear installations.
Typical Applications
- Industrial switchboards.
- 185 mm busbar power distribution systems.
- Main and sub-distribution panels.
- Motor control centres.
- Industrial machinery power supplies.
- Commercial electrical installations.
- Manufacturing facilities.
- Panel-building projects.
Technical Specifications
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| Device Type | Fuse switch disconnector | |
|---|---|---|
| Fuse Size | NH00 | |
| Mounting Type | Busbar system 185 mm | |
| Fuse Type | NH (DIN) | |
| Rail / Busbar Profile | 100 × 10 mm, 120 × 10 mm, 30 × 10 mm, 40 × 10 mm, 60 × 10 mm, 80 × 10 mm | |
| Product Series | Wöhner 185Power | |
| Busbar Centre Distance (mm) | 185 mm | |
| Poles | 3-pole | |
| Manufacturer | Wöhner | |
| Series | QUADRON® 185Power Speed | |
| Model | 33621 | |
| Full manufacturer SKU | 33621000A | |
| Type number | QS185-00 | |
| Product type | NH in-line fuse switch-disconnector | |
| Fuse sizes | NH 000 and NH 00 | |
| Number of poles | 3 | |
| Rated current | Up to 160 A | |
| Rated operational voltage | Up to 690 V AC | |
| Connection position | Bottom | |
| Connection type | M8 screw connection | |
| Fuse monitoring | Integrated | |
| Switching mechanism | Operator-independent snap-action mechanism | |
| Compatible busbars | 30, 40, 60, 80, 100 and 120 × 10 mm | |
| CrossLink compatibility | Not suitable | |
| Mounting system | 185Power busbar system | |
| ETIM classification | EC001046 | |
| EAN | 4021267336219 | |
| Pack size | 1 |
Frequently Asked Questions
What is the Wöhner 33621 used for?
The Wöhner 33621 provides fused circuit protection, switching and electrical isolation for industrial low-voltage busbar power distribution systems.
Which fuse sizes can be installed?
The device is designed for compatible NH 000 and NH 00 fuse links.
Does the Wöhner 33621 include fuse monitoring?
Yes. Integrated fuse monitoring helps indicate fuse status and assists with maintenance and fault diagnosis.
Can this model be used with CrossLink protection modules?
No. The Wöhner 33621 uses standard screw connections and is not suitable for systems incorporating CrossLink protection modules.
Which busbar sizes are supported?
The device is compatible with busbars measuring 30, 40, 60, 80, 100 and 120 × 10 mm.
Trusted Industrial Power Distribution Technology
Wöhner QUADRON® fuse switch-disconnectors are trusted by electrical engineers, switchgear manufacturers and panel builders worldwide for reliable switching, safe circuit isolation and dependable industrial power distribution.
