Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
33204 Wohner NH fuse switch-disconnector size 4a, 1600 A, panel mounting
Wöhner 33204 QUADRON Panel NH size 4a fuse switch disconnector rated at 1600 A with dual M12 screw terminals and integrated arc chambers for industrial low-voltage power distribution.
£1,240.62
Why Choose the Wöhner 33204 NH Fuse Switch Disconnector?
The Wöhner 33204 is a heavy-duty NH size 4a fuse switch disconnector rated at 1600 A, engineered for safe switching, isolation and overcurrent protection in high-capacity industrial low-voltage power distribution systems. As part of the renowned Wöhner QUADRON® Panel range, it is designed for panel mounting and provides exceptional performance in main distribution boards, power switchboards and industrial electrical installations.
Designed for use with NH 4a fuse links in accordance with IEC / HD 60269-2, the Wöhner 33204 incorporates integrated arc chambers to improve switching performance and operational safety during load interruption.
Featuring dual M12 screw terminals, a robust three-pole construction and direct mounting onto a mounting plate, the Wöhner 33204 is ideal for high-current industrial applications where reliability and long service life are essential.
Key Advantages
- Heavy-duty NH size 4a fuse switch disconnector.
- 1600 A rated current for high-capacity power distribution.
- Compatible with NH 4a fuse links.
- Integrated arc chambers for enhanced switching performance.
- Dual M12 screw terminals for secure high-current conductor connections.
- Robust panel-mounted design for demanding industrial installations.
Key Features
- Wöhner QUADRON® Panel series.
- 1600 A rated current.
- Supports NH 4a fuse links.
- Three-pole construction.
- 2 × M12 screw terminals.
- Rated operational voltage up to 690 V AC.
- Rated insulation voltage of 800 V AC.
- Rated impulse withstand voltage of 8 kV.
Designed for High-Capacity Industrial Distribution
The Wöhner 33204 is specifically developed for high-current applications where dependable switching, safe isolation and reliable fuse protection are essential. Its integrated arc chambers improve interruption performance during switching operations, making it suitable for demanding industrial environments.
The unit is designed for installation on mounting plates within large switchboards and power distribution systems. Wöhner recommends the use of silver-plated NH fuse links for optimum contact performance, while nickel-plated contact pieces should be derated by a factor of 0.8.
Typical Applications
- Main low-voltage switchboards.
- Industrial power distribution systems.
- Large commercial electrical installations.
- Power generation and infrastructure projects.
- Heavy industrial manufacturing facilities.
- OEM high-current distribution equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Size | NH4a | |
|---|---|---|
| Device Type | Fuse switch disconnector | |
| Fuse Type | NH (DIN) | |
| Mounting Type | Base / panel | |
| Current | 1600 A | |
| Poles | 3-pole | |
| Manufacturer | Wöhner | |
| Series | QUADRON® Panel | |
| Model | 33204 | |
| Product type | NH fuse switch disconnector | |
| Fuse size | NH 4a | |
| Rated current | 1600 A | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage (Ui) | 800 V AC | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Connection type | 2 × M12 screw terminals | |
| Number of poles | 3 | |
| Mounting type | Mounting plate / panel mounting | |
| Short-circuit rating | 50 kA / 690 V AC with gG fuse links | |
| Standards | IEC 60947-1:2020, IEC 60947-3:2020 | |
| EAN | 4021267332044 |
Frequently Asked Questions
What is the Wöhner 33204 used for?
It is an NH size 4a fuse switch disconnector designed for switching, isolation and overcurrent protection in high-current industrial power distribution systems.
What fuse size is compatible?
The Wöhner 33204 is designed for NH 4a fuse links manufactured in accordance with IEC / HD 60269-2.
What is the rated current?
The unit has a continuous rated current of 1600 A.
What type of conductor connection does it use?
The disconnector features robust 2 × M12 screw terminals for secure high-current conductor connections.
Does the Wöhner 33204 include arc chambers?
Yes. The disconnector is equipped with integrated arc chambers to improve switching performance and operational safety.
Trusted by Electrical Professionals Worldwide
Wöhner QUADRON® Panel fuse switch disconnectors are trusted worldwide by switchboard manufacturers and electrical engineers for delivering dependable high-current protection, safe isolation and long-term operational reliability.
