With stable quality, rapid delivery and competitive price, we are determined to become a first-class Composite Long Rod Insulator, 220kV station post insulator, Composite polymer long rod insulator supplier. Our team is highly collaborative, and works closely with clients, suppliers, and partners to deliver seamless, efficient solutions that exceed expectations. We offer a wide range of payment methods to suit different needs and preferences. We solemnly promise to all sectors of society that we would like to verify and show our super comprehensive strength through your comprehensive investigation and comparison. Our company will strengthen the foundation, improve the management level of the company and establish a sound supervision and control system.
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 |
Our company continues to build a strong brand in the Polymer Insulator for Pantograph on 27.5/25kv High Speed Train/Electric Locomotive field with excellent product quality, honest business philosophy and perfect after-sales service. Our company attaches great importance to the company's reputation and customer experience, and has made great efforts to this end. We sincerely welcome customers from all over the world to order by phone or e-mail.
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