VHD-35-S1 Pin-Type Insulator Porcelain – High-Voltage 35kV Overhead Line Insulation Solution
The VHD-35-S1 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-S1 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 720 mm, minimum breaking load of 1200 kg, and high withstand voltage ratings, this insulator is suitable for reliable operation in normal and 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-S1 Pin-Type Insulator Porcelain Technical Specifications
| Parameter | Value |
| Model | VHD-35-S1 |
| Typical Application Voltage | 35 kV class (to be confirmed for project) |
| Height, H | 270 mm |
| h | 133 mm |
| Diameter, D | 270 mm |
| D1 | 135 mm |
| R | 14 mm |
| r | 14 mm |
| Leakage Distance | 720 mm |
| Minimum Breaking Load | 1200 kg (≈11.8 kN) |
| One Minute Wet Withstand Voltage | 75 kV |
| Dry Withstand Voltage | 180 kV |
| Puncture Voltage | 175 kV |
| Impulse Withstand Voltage | 175 kV |
| Weight | 11.8 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-S1 Pin-Type Insulator Porcelain Key Features
- Reliable Electrical Performance – Designed for 35kV-class systems with a leakage distance of 720 mm, helping to improve pollution performance and reduce flashover risk under rain, fog, and 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.
- Good Anti-Pollution Performance – The 720 mm leakage distance supports reliable operation in normal and polluted environments.
- 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-S1 Pin-Type Insulator Porcelain Application Scenarios
The VHD-35-S1 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 polluted areas
- Installation on wooden, reinforced concrete, and metal poles
- Medium-voltage distribution networks
- Vertical or horizontal mounting, subject to project design
VHD-35-S1 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-S1 Pin-Type Insulator Porcelain for Your Power Grid?
- High Leakage Distance – 720 mm leakage distance supports reliable performance in polluted and humid environments.
- Strong Mechanical Load Capacity – 1200 kg minimum breaking load provides robust mechanical reliability.
- High Withstand Voltage – 75 kV wet withstand, 180 kV dry withstand, 175 kV puncture voltage, and 175 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-S1 Pin-Type Insulator Porcelain Manufacturer
The VHD-35-S1 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-S1
Typical Application Voltage: 35 kV class
Leakage Distance: 720 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-S1 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-S1 should be confirmed against the original documentation or with the technical team.
