400kV Porcelain Station Post Insulator

The porcelain station post insulator is designed for supporting and insulating conductors and electrical equipment in substations and power stations. It is widely used in AC systems with rated voltages from 35 kV to 500 kV, offering high mechanical strength, excellent electrical performance, and long-term operational stability.

Product Introduction

Product Features

high mechanical strength

excellent electrical insulation

porcelain post insulator for substation

long service life

Technical Specifications

product-500-490

porcelain station post insulator specifications

Type	Rated voltage kV	Dra wing No.	Mech anical Failing Load ≥		mm Nominal creepage distance m m	Main Dimensions mm				kg Weight kg
Type	Rated voltage kV	Dra wing No.	bending kN	Torsion kN.M	mm Nominal creepage distance m m	H	D	n1.d1-a1	n2.d2-a2	kg Weight kg
C8-1950-IⅢ	550	7	8	10	13750	4400	340	4-M16-Φ127	8-φ18-φ300	560
C10-1950-II	550	7	10	10	13750	4400	345	4-M16-φ127	8-φ18-φ325	585
C12.5-1950-Ⅲ	550	7	12.5	10	13750	4400	345	4-M16-Φ127	8-Φ18-φ345	583
C16-1950-IⅢ	550	7	16	10	13750	4400	385	8-Φ18-φ254	8-φ18-φ356	706
C12.5-2250-IV	550	8	12.5	10	17050	5000	385	8-φ18-φ254	16-φ22-φ356	780

35kV / 66kV / 110kV / 220kV / 400kV / 500kV station post insulator

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