33kV Silicone Standoff Insulator
Silicone composite standoff insulator for 33kV support positions
Product Overview
The 33kV standoff insulator supports conductor and busbar positions at the higher distribution class. The longer creepage path required at 33kV is where the silicone surface matters most - a longer surface in a polluted wet environment is more opportunity for a conductive film, and the hydrophobic housing is what interrupts it.
Key Benefits
- Conductor support at 33kV with the creepage the class requires
- Hydrophobic surface breaks the wet pollution film along a long creepage path
- Composite construction lighter than the ceramic equivalent
- Survives handling and transport impact
Problems It Solves
- Flashover across long creepage paths in polluted wet air
- Heavy ceramic support insulation at height
- Transport breakage on the way to remote 33kV sites
Application Scenarios
- 33kV conductor and busbar support positions
- Outdoor switching and take-off structures
- Coastal and industrial 33kV installations
- Replacement of failed ceramic support insulation
Who It Is For
- 33kV distribution network operators
- Substation and line contractors
- EPC companies
- Maintenance departments upgrading polluted positions
Technical Features
- Silicone rubber composite construction
- Static conductor support duty
- Rated at 33kV
- Metal end fittings for structure mounting
Specifications
| Product Family | Silicon material |
|---|---|
| Rated Voltage | 33kV |
| Housing Material | Silicone rubber |
| Duty | Static mechanical support |
| Function | Standoff conductor support insulation |
| Dimensions and Ratings | Confirmed against your line standard at quotation |
Materials
- Silicone rubber housing
- Composite insulating core
- Metal end fittings
Manufacturing Process
- Core production
- Housing moulding
- End fitting assembly
- Mechanical and electrical check
- Packing for export
Customisation Options
- Height and fitting arrangement matched to the structure
- Developed to drawing where the standard arrangement does not fit
- Supplied with the mounting hardware for the position
Compared With Other Options
| 11kV silicone standoff insulator | Same construction at the lower class - the system voltage decides. |
|---|---|
| Porcelain support insulator | Ceramic for UV stability and long-term mechanical predictability; composite for pollution, weight and transport. |
| Pot insulator | A pot insulator suits its own mounting arrangement. The position decides which form applies. |
Use Guide
- Confirm the creepage requirement for the pollution level at site
- Check the end fittings mate with the structure before installation
- Keep the mounting square so the insulator is not loaded in bending
- Inspect for tracking at maintenance visits
Related Products
11kV Silicone Standoff Insulator
Silicone composite standoff insulator for 11kV support positions
View details →33kV Silicone Pot Insulator
Silicone composite pot insulator for 33kV mounting positions
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33kV Silicone Gang Insulator
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The choice is decided by pollution, weight and handling losses rather than by price per unit.
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Read guide →33kV Silicone Standoff Insulator Questions
How much creepage do I need
It depends on the pollution severity at the position as well as the voltage. Describe the environment with your enquiry.
Can composite replace porcelain one for one
Where the mounting arrangement and the electrical and mechanical ratings match, yes. Send the installed part details.
Do you supply 11kV and 33kV standoffs together
Yes - mixed class orders are quoted as one line list.
Get a Price on 33kV Silicone Standoff Insulator
Send the quantity, the specification you are matching and the destination port.