FZSW-35/6 Composite Post Insulator | 35kV High-Voltage
FZSW-35/6 Composite Post Insulator | 35kV High-Voltage is designed to provide reliable electrical insulation and mechanical support for 35kV power distribution and substation equipment. Its composite construction combines a fiberglass-reinforced epoxy resin core with a silicone rubber housing, offering high mechanical strength, excellent weather resistance, and stable insulation performance.
With a lightweight and compact design, the FZSW-35/6 is suitable for substations, switchgear, busbar support, and outdoor high-voltage distribution systems, particularly in environments where reliable insulation and resistance to pollution and moisture are required.
Get a QuoteOverview
Our High-Voltage Station Post Insulators are designed to provide reliable electrical insulation and strong mechanical support for substation equipment and high-voltage power systems. Covering applications from 11kV to 220kV, with dedicated solutions for 35kV systems, they are suitable for supporting busbars, circuit breakers, disconnectors, and other essential electrical equipment.
Available in high-strength porcelain and lightweight composite polymer designs, these station post insulators offer excellent dielectric performance, mechanical strength, and resistance to harsh environmental conditions. Manufactured to applicable standards such as IEC 60273 and ANSI C29.9, they provide a dependable insulation solution for substations, utility networks, and industrial power infrastructure.
Operating Conditions
1. Altitude: ≤ 3000 meters;
2. Ambient Temperature: -40°C to +55°C;
3. Pollution Class: Class III or IV.
Technical Data
| Item | Unit | Parameter | ||
| FZSW-35/6 | FZSW-35/6 | |||
| Rated Voltage | kV | 35 | ||
| Rated Mechanical Load | kN | 6 | ||
| Overall Height | mm | 445±10 | 450±10 | |
| Insulation Distance | 378 | 360 | ||
| Minimum Nominal Creepage Distance | 890 | 946 | ||
| Shed Diameter | 135 | 145/110 | ||
| Lightning Impulse Withstand Voltage (Peak) | kV | 185 | ||
| Power Frequency Withstand Voltage (RMS) | 100 | |||
Overall and mounting dimensions(mm)
Typical Applications
Our High-Voltage Station Post Insulators are widely used in:
- GIS & AIS substations (66–220kV)
- Support structures for circuit breakers and disconnect switches
- Busbar support systems in substations and power plants
- Railway electrification and traction power systems
Engineering Application Reference
Station post insulators are commonly used in substation upgrade and modernization projects where existing porcelain insulators need to be replaced or where improved environmental performance is required.
In coastal, dusty, or heavily polluted environments, composite polymer station post insulators can offer advantages such as excellent hydrophobicity, strong pollution resistance, lightweight construction, and reduced maintenance requirements. Compared with traditional porcelain designs, composite solutions can also simplify transportation and installation while providing reliable mechanical and electrical performance.
