Wöhner 33641 QUADRON 185Power Speed NH size 3 fuse switch-disconnector with top M12 connection, integrated fuse monitoring, operator-independent snap-action switching and double-breaking contacts.
£1,247.18
The Wöhner 33641 is a heavy-duty NH in-line fuse switch-disconnector engineered for 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 3 device features integrated fuse monitoring together with a top M12 screw connection, making it ideal for industrial switchboards, motor control centres and OEM panel-building applications requiring upper cable entry and rapid fault indication.
The switch-disconnector incorporates an operator-independent snap-action switching mechanism with a double-breaking contact system, ensuring fast and consistent switching regardless of operating speed. Integrated fuse monitoring enables maintenance personnel to identify blown fuse links quickly, helping minimise downtime and improve operational efficiency.
Designed for installation on 30, 40, 60, 80, 100 and 120 × 10 mm busbars, the Wöhner 33641 features a touch-safe construction when open, a lockable and sealable operating cover and compatibility with the modular 185Power busbar system. Please note that this model is listed by the manufacturer as no longer available.
The Wöhner 33641 combines dependable switching, safe electrical isolation and high-capacity fuse protection in one robust industrial assembly. Integrated fuse monitoring enables maintenance engineers to identify blown fuse links quickly, reducing downtime while maintaining reliable circuit protection in critical installations.
Its top-entry M12 connection simplifies installation where upper cable routing is preferred, while the operator-independent switching mechanism, touch-safe construction and lockable operating cover make it an excellent solution for demanding industrial switchgear applications.
| Manufacturer | Wöhner |
|---|---|
| Series | QUADRON® 185Power Speed |
| Model | 33641 |
| Full manufacturer SKU | 33641000A |
| Type number | QS185-3 |
| Product type | NH in-line fuse switch-disconnector |
| Fuse size | NH 3 |
| Number of poles | 3 |
| Rated current | 630 A |
| Rated operational voltage | Up to 690 V AC |
| Connection position | Top |
| Connection type | M12 screw connection |
| Fuse monitoring | Integrated |
| Switching mechanism | Operator-independent snap-action |
| Breaking system | Double-breaking |
| Compatible busbars | 30, 40, 60, 80, 100 and 120 × 10 mm |
| Mounting | Accessory required for busbar mounting |
| Standards | IEC 60947-1:2020, IEC 60947-3:2020 (AC ratings only) |
| ETIM classification | EC001046 |
| EAN | 4021267336417 |
| Pack quantity | 1 |
| Availability | No longer available |
The Wöhner 33641 provides safe switching, electrical isolation and overcurrent protection for industrial low-voltage power distribution systems while offering integrated fuse monitoring.
The device is designed for use with standard NH size 3 fuse links.
Yes. Integrated fuse monitoring provides rapid indication of blown fuse links, helping reduce maintenance time and system downtime.
The Wöhner 33641 is compatible with 30, 40, 60, 80, 100 and 120 × 10 mm busbars.
The manufacturer lists the Wöhner 33641 (33641000A) as no longer available. Alternative models may be available depending on the application.
Wöhner QUADRON® fuse switch-disconnectors are trusted worldwide by switchgear manufacturers, panel builders and industrial electrical engineers for dependable switching, reliable circuit protection and safe electrical isolation.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...