Continuously attracting excellent talents is the source of the development of the enterprise and ensures that the enterprise continues to develop new Composite Vertical line post insulator, HDPE Pin Insulators, 110kV Composite Suspension Insulator . We offer a wide range of products to meet the needs of customers across a wide range of industries. With the competitive advantages of stable product quality, high cost performance, complete varieties and specifications, good service quality and short delivery time, our company has established a long-term interdependent win-win cooperation mode with our customers. We regard honesty as the foundation of our foundation, the basis of our development and the source of our reputation. Enterprises, managers and employees must all speak with integrity.

Product Name: Polymer Post railway Insulators
Model Number: FZSW-50/4
Type: Post Insulator
Application: High Voltage, Railway Insulators, High Voltage Lines
Standard: IEC 61952
Housing Material: HTV Silicone Rubber
Core Rod Material: ECR Fiberglass
Tensile Strength: High Mechanical Strength
Color: Grey
Place of Origin: Wuhan, China
Brand Name: Wuhan Line Power
OEM Service: Available
Packing: Carton / Pallet / Wooden Box
Technical Specifications
General Information
| Item | Description |
|---|---|
| Product Name | Composite Line Post Insulator |
| Model | FZSW-50/4 |
| Application | High Voltage Railway Lines |
| Rated Voltage | 50 kV |
| Standard | IEC 61952 |
| Color | Grey |
Dimensions
| Parameter | Value |
|---|---|
| Height | 1381 ± 20 mm |
| Min. Dry Arcing Distance | 1160 mm |
| Min. Creepage Distance | 3200 mm |
| Core Rod Diameter | Ø50 mm |
| Number of Sheds | 27 |
Mechanical Characteristics
| Parameter | Value |
|---|---|
| Max. Design Cantilever Load (MDCL) | 2 kN |
| Specified Cantilever Load (SCL) | 4 kN |
| Specified Tensile Load (STL) | 40 kN |
| Routine Tensile Load (RTL) | 20 kN |
Electrical Characteristics
| Parameter | Value |
|---|---|
| Rated Voltage | 50 kV |
| Power Frequency Withstand Voltage (Wet, 1 min) | 275 kV |
| Lightning Impulse Withstand Voltage | 630 kV |
Raw Materials
| Component | Material | Specification |
|---|---|---|
| End Fittings | Cast Iron / Cast Steel | Hot-dip galvanized |
| Galvanization Thickness | - | ≥ 86 μm |
| Core Rod | Epoxy Resin & ECR Glass Fiber | Diameter Ø50 mm |
| Weather Sheds | HTV Silicone Rubber | High hydrophobicity |
We aim at the achievement of a richer mind and body plus the living for Polymer High Voltage Electrical Suspension 25kv Silicone Composite Insulator/Composite Post Insulator Silicon Rubber Insulator Polymer Insulator. The company sticks to the core value of 'cooperation and sharing', and we establish close strategic partnerships with relevant companies. We take product quality as the life of the company, take corporate reputation as the foundation for development.
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