VHD-35-S11 Pin-Type Insulator Porcelain – High-Voltage 35kV Overhead Line Insulation Solution
The VHD-35-S11 Pin-Type Insulator Porcelain is a robust and dependable solution for insulation and conductor support in 35kV-class overhead transmission and distribution lines.
It offers reliable electrical performance, high mechanical strength, and flexible customisation for various project requirements.
The VHD-35-S11 features a durable glazed porcelain finish available in custom colours, providing excellent weather resistance and long-term durability in outdoor environments.
With a leakage distance of 900 mm, minimum breaking load of 1200 kg, and high withstand voltage ratings, this insulator is suitable for reliable operation in normal and heavily polluted areas.
All dimensions, leakage distances, electrical ratings, and glaze colours are customisable upon request.
For complete engineering drawings or specific tolerances, please refer to the original documentation or contact our technical team.
VHD-35-S11 Pin-Type Insulator Porcelain Technical Specifications

| Parameter | Value |
| Model | VHD-35-S11 |
| Typical Application Voltage | 35 kV class (to be confirmed for project) |
| Height, H | 295 mm |
| h | 160 mm |
| Diameter, D | 270 mm |
| D1 | 135 mm |
| R | 14 mm |
| r | 14 mm |
| Leakage Distance | 900 mm |
| Minimum Breaking Load | 1200 kg (≈11.8 kN) |
| One Minute Wet Withstand Voltage | 80 kV |
| Dry Withstand Voltage | 180 kV |
| Puncture Voltage | 180 kV |
| Impulse Withstand Voltage | 180 kV |
| Weight | 13.3 kg |
| Glaze Colour | Customisable upon request |
| Standards | To be confirmed / refer to original documentation |
| Engineering Drawings & Tolerances | Available from original documentation or technical team |
VHD-35-S11 Pin-Type Insulator Porcelain Key Features
- Reliable Electrical Performance – Designed for 35kV-class systems with an extended leakage distance of 900 mm, helping to improve pollution performance and significantly reduce flashover risk under rain, fog, and heavily contaminated conditions.
- High Mechanical Strength – Minimum breaking load of 1200 kg (≈11.8 kN) enables reliable withstand of conductor tension, wind loads, and mechanical stress in overhead line installations.
- Excellent Anti-Pollution Performance – The 900 mm leakage distance provides superior protection in polluted environments, supporting reliable operation across various contamination levels.
- Simple Structure, Easy Installation – Pin-type design suitable for standard mounting methods and conductor binding on overhead line pins.
- Glazed Porcelain Finish – Durable glaze provides weather resistance, UV protection, and self-cleaning properties for long-term outdoor use.
- Customisable Design – Dimensions, leakage distances, electrical ratings, and glaze colours can be customised upon request.
- Reliable and Low Maintenance – Engineered for long-term operation with regular visual inspection and cleaning typically sufficient.
VHD-35-S11 Pin-Type Insulator Porcelain Application Scenarios
The VHD-35-S11 high-voltage pin-type insulator is suitable for:
- Insulation and conductor support in 35kV-class overhead distribution and transmission lines
- Outdoor installations exposed to all atmospheric conditions
- AC overhead power lines
- Power distribution networks in normal and heavily polluted areas
- Installation on wooden, reinforced concrete, and metal poles
- Medium-voltage distribution networks
- Vertical or horizontal mounting, subject to project design
VHD-35-S11 Pin-Type Insulator Porcelain Standards Compliance
| Standard | Description |
| To be confirmed | Please refer to original documentation or contact technical team for applicable standard compliance. |
| IEC 60383 | Insulators for overhead lines – ceramic or glass insulator units for AC systems (available upon request, if applicable) |
| BS 137 | Insulators of ceramic material or glass for overhead lines with nominal voltage greater than 1000 V (available upon request, if applicable) |
| ANSI / GB / DIN / AS | Additional standards may be available upon request. |
Why Choose VHD-35-S11 Pin-Type Insulator Porcelain for Your Power Grid?
- Extended Leakage Distance – 900 mm leakage distance supports reliable performance in heavily polluted and humid environments.
- Strong Mechanical Load Capacity – 1200 kg minimum breaking load provides robust mechanical reliability.
- High Withstand Voltage – 80 kV wet withstand, 180 kV dry withstand, 180 kV puncture voltage, and 180 kV impulse withstand voltage.
- Customisable – Dimensions, leakage distances, electrical ratings, and glaze colours can be tailored upon request.
- Weather-Resistant – Glazed porcelain finish provides excellent outdoor durability.
- Cost-Effective – High performance with competitive project cost.
- Versatile – Suitable for 35kV-class overhead line applications, subject to confirmation.
About the VHD-35-S11 Pin-Type Insulator Porcelain Manufacturer
The VHD-35-S11 Pin-Type Insulator Porcelain can be supplied by leading Chinese insulator manufacturers, such as Bonle (Fujian) Insulator Co., Ltd., subject to confirmation for this model.
Manufacturers typically hold ISO 9001 certification and produce insulators in accordance with IEC, ANSI, ASTM, AS, BS, DIN, and ISO standards. All products undergo rigorous electrical and mechanical testing before shipment.
Model: VHD-35-S11
Typical Application Voltage: 35 kV class
Leakage Distance: 900 mm
Minimum Breaking Load: 1200 kg
Standards: To be confirmed / refer to original documentation
Useful Links
- Product Catalog – browse our full range of insulators
- Technical Datasheet – download detailed specifications and drawings
- Request a Quote – get pricing and availability for your project
- Certification & Compliance – view quality and testing certificates
For technical inquiries, bulk orders, or customized solutions, please contact our sales team via the links above.
VHD-35-S11 Pin-Type Insulator Porcelain References & Authoritative Resources
For certification, standard compliance, and procurement specifications, refer to:
- IEC 60383 – Insulators for overhead lines – ceramic or glass insulator units for AC systems
- BS 137 – Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1000 V
- Full Range of Pin Insulators – explore our complete product portfolio for transmission and distribution lines
Note: Applicable standards for VHD-35-S11 should be confirmed against the original documentation or with the technical team.


