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05789 Wohner insulator
Wöhner 05789 stand-off insulator with M10 female threads on both sides, 60 mm height and 3000 V AC insulation rating for busbar systems, switchgear and industrial control panels.
£9.50
Why Choose the Wöhner 05789 Insulator?
The Wöhner 05789 is a heavy-duty stand-off insulator designed to provide exceptional electrical insulation and mechanical support for low voltage switchgear, busbar systems and industrial control panels. Featuring M10 female threads on both sides and a 60 mm height, it is ideal for applications requiring increased electrical clearance and robust support for busbars and electrical components.
Manufactured by Wöhner, the 05789 insulator is produced from a durable halogen-free insulating material and is designed for demanding industrial environments. Its high dielectric strength, excellent mechanical performance and compliance with IEC standards make it an ideal choice for panel builders, OEMs and electrical engineers.
With a rated insulation voltage of 3000 V AC, 3.6 kV DC, M10 female threads and a 40 mm width across flats, the Wöhner 05789 delivers reliable insulation and mechanical stability for industrial power distribution and busbar support applications.
Key Advantages
- Heavy-duty 60 mm stand-off insulator for industrial electrical installations.
- M10 female thread on both sides for secure mounting.
- 3000 V AC / 3.6 kV DC rated insulation voltage.
- Manufactured from halogen-free insulating material.
- Suitable for switchgear, busbar systems and control panels.
- Provides outstanding electrical insulation and mechanical strength.
Key Features
- Manufacturer: Wöhner.
- Part number: 05789.
- M10 female thread on both sides.
- 60 mm overall height.
- 40 mm width across flats.
- 3000 V AC / 3.6 kV DC rated voltage.
- Halogen-free insulating material.
- Designed for flat surface mounting.
Reliable Electrical Insulation for High Voltage Busbar Systems
Stand-off insulators provide secure separation between live conductors and grounded metalwork while supporting heavy electrical components. They help maintain safe electrical clearances, improve installation safety and maximise the long-term reliability of switchgear and power distribution equipment.
The Wöhner 05789 is engineered for professional electrical installations where increased insulation distances, dependable mechanical performance and long service life are essential. Its 60 mm height makes it particularly suitable for applications requiring higher insulation ratings than standard stand-off insulators.
Typical Applications
- Industrial switchboards.
- Busbar support systems.
- Power distribution equipment.
- Control cabinets.
- OEM machinery.
- Electrical panel manufacturing.
Technical Specifications
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| Device Type | Busbar holder / support | |
|---|---|---|
| Manufacturer | Wöhner | |
| Model | 05789 | |
| Product type | Stand-off insulator | |
| Thread | M10 female both sides | |
| Height | 60 mm | |
| Width across flats | 40 mm | |
| Rated voltage | 3000 V AC / 3.6 kV DC | |
| Test voltage | 20 kV AC | |
| Dimensions (W × H × D) | 40 × 40 × 60 mm | |
| Material | Halogen-free insulating material | |
| Operating temperature | -40°C to +130°C | |
| Mounting | Flat surface mounting | |
| Minimum tightening torque | 18 Nm | |
| Maximum tightening torque | 20 Nm | |
| HS Code | 85469010 | |
| Country of Manufacture | Türkiye |
Frequently Asked Questions
What is the Wöhner 05789 used for?
It provides electrical insulation and mechanical support for busbars and electrical components within industrial switchgear and power distribution systems.
What thread size does the Wöhner 05789 use?
The insulator features M10 female threads on both sides with a 60 mm overall height.
What voltage is the Wöhner 05789 rated for?
The insulator is rated for 3000 V AC and 3.6 kV DC, making it suitable for applications requiring increased insulation distances.
Is the Wöhner 05789 halogen-free?
Yes, it is manufactured from a durable halogen-free insulating material suitable for demanding industrial electrical applications.
How should the insulator be installed?
It should be mounted on flat surfaces with the fixing screw secured correctly to ensure reliable mechanical support and long-term performance.
Trusted by Panel Builders Worldwide
Wöhner electrical accessories are trusted by panel builders, switchgear manufacturers and industrial engineers worldwide for delivering dependable insulation, robust construction and reliable performance in demanding electrical power distribution systems.
