Wöhner 33378 front connection terminal for 3-pole 35 mm² comb-type busbars, suitable for NH size 00 fuse switch disconnectors with screw connections.
£14.71
The Wöhner 33378 is a front connection terminal designed to provide a safe and reliable power feed for 3-pole 35 mm² comb-type busbars used with Wöhner NH size 00 fuse switch disconnectors with screw connections. As a genuine Wöhner connection accessory, it enables secure conductor termination while simplifying the installation of low-voltage power distribution systems.
Designed for copper conductors from 25 mm² to 95 mm², the Wöhner 33378 allows power to be fed directly into compatible comb-type busbar assemblies. Its front connection design improves accessibility during installation and maintenance while maintaining a compact footprint within switchboards and control panels.
The terminal provides IP20 front protection when installed together with compatible NH fuse switch disconnectors and comb-type busbars, while shock protection is provided in accordance with DIN EN 50274. Manufactured from halogen-free materials, it is ideal for industrial switchgear, OEM machinery and electrical distribution panels.
The Wöhner 33378 connecting terminal provides a secure and efficient method of feeding power into compatible comb-type busbar systems. Its front connection design offers excellent accessibility while maintaining a compact installation within industrial switchgear and distribution panels.
Designed specifically for Wöhner NH size 00 fuse switch disconnectors with screw terminals, the terminal helps create a professional, dependable installation while reducing the need for complex cable routing. When combined with compatible busbars and switch disconnectors, it provides IP20 front protection for improved operational safety.
| Phase | Three Phase |
|---|---|
| Manufacturer | Wöhner |
| Model | 33378 |
| Alternative SKU | 33378000 |
| Product type | Front connection terminal |
| Application | Power feed for 3-pole comb-type busbars |
| Compatible busbar | 35 mm² comb-type busbar |
| Compatible device | NH size 00 fuse switch disconnector with screw connection |
| Conductor size | Cu 25-95 mm² (solid/stranded according to specification) |
| Rated insulation voltage | 800 V (pollution degree 2), 690 V (pollution degree 3) |
| Degree of protection | IP20 at the front when correctly installed |
| Dimensions (W × H × D) | 23 × 32 × 86 mm |
| Standards | IEC 60947-1:2020, IEC 60947-3:2020 |
| Halogen free | Yes |
| Pack quantity | 3 |
The Wöhner 33378 is a front connection terminal used to feed power into compatible 3-pole 35 mm² comb-type busbars.
It is designed for Wöhner NH size 00 fuse switch disconnectors with screw connections.
The terminal accepts copper conductors from 25 mm² to 95 mm², depending on conductor type.
Yes. When installed with compatible NH fuse switch disconnectors and comb-type busbars, the assembly provides IP20 front protection and shock protection in accordance with DIN EN 50274.
The Wöhner 33378 is supplied in a pack of three connection terminals.
Wöhner connection terminals are trusted by electrical engineers and panel builders for providing safe, reliable and professional power connections within industrial low-voltage distribution systems.
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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...