Our continuous innovation and extensive use of environmental protection technology have become a model for other companies in the Composite Station Post Insulator, Composite Tension Insulator, Composite Pin Insulator and have formed a good reputation among customers. Our team of experts is dedicated to providing exceptional service and support, ensuring our customers' success. Our designers have many years of design experience, and continue to absorb foreign product design concepts, further enhance the professional level and industry competitiveness of our team, and develop a large number of novel and diverse products. We build a talent structure of both virtues and talents by improving the quality of enterprise talents.
Pin insulator polymer

11kV pin insulator polymer is the oldest type of insulator in high voltage transmission and distribution lines. Due to its simple manufacture, low cost, easy installation and the ability to reduce the height of the tower (due to the vertical installation of the insulator, the grounding part is below), it is widely used for insulation and supporting conductors in high-voltage overhead power lines in common and polluted areas where the nominal voltage of three-phase power system is 6~35kV and the frequency does not exceed 100Hz.
▼ Products Details
Model | Rated | Rated Bending Resistance load | Structure | Minimum Dry Arc Distance | Minimum | Lightning Impulse | Power Frequency 1 min Wet-withstand Voltage |
(kV) | (kN) | (mm) | (mm) | (mm) | (kV) | (kV) | |
FPW4-11T20 | 11 | 3.5 | 236±5 | 150 | 390 | 100 | 50 |
Type: Pin Insulator Place of Origin: Wuhan China Brand: Line Power Certification: ISO9001 ,ISO14001,ISO45001 Standard: IEC 61952 | Minimum Order Quantity: 100 pcs Price: Negotiable Payment Terms: T/T , L/C Package:Polywood case Delivery Time: 25~40days EXW |
▼ Raw Materials:
Core: Epoxy & Glass Fiber, Acid-Resistant
Weather sheds: HTV Silicone
End-fitting:Forged Steel or cast steel, Hot Dip Galvanized.Minimum thickness of the galvanization: 86μm
Color: Grey, Red or others
▼ About us :




As a certified ISO 9001:2015 company, LINE POWER, with world-class products and excellent service, has obtained recognition and high reputation from customers, and become one of main suppliers to State Grid Corporation of China and Southern Power Grid of China. And our composite insulator product applied for railway also has acquired approval from Ministry of Railways of China. Our products also has a good reputation in international market, they reached more than 50 countries now.

The 4kn 10kv Polymer/ Composite Pin Insulator China Manufacturer from our company has won orders from large domestic and foreign group companies due to the advanced technology and excellent quality. We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development. We pursue the management tenet of 'Quality is superior, Service is supreme, Reputation is first', and will sincerely create and share success with all clients.
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