Jiangxi Huayoo Porcelain Insulator Manufacturing Co.,Ltd
porcelain insulator, pin insulator, high tension insulators, suspension insulator, electrical insulators, Manufacturer and Supplier - China(CN)
Post Insulators For High Voltage ANSI (57)
The product standard of ANSI,BS,AS,DIN,GB,IEC.
The main products can be applied to voltage line below 1100kV and workstation.
walter AT electric-porcelain DOT com.
For High-voltage Overhead Line And Fixed-wire With Insulator.
Main dimensions and standard particulars
Class (ANSI): 56-1,56-2,56-3,56-4,56-5
Main dimensions (H): 146-318/mm
Main dimensions (D): 191-343/mm
Nominal voltage: 23-69/kV
Creepage distance: 330-865/mm
Minimum flashover voltage power-frequency Dry: 95-175/kV
Minimum flashover voltage Power-frequency Wet: 60-125/kV
Minimum flashover voltage 50% impulse Positive: 150-270/kV
Minimum flashover voltage 50% impulse Negative: 190-340/kV
Radio-influence voltage date test voltage to ground: 15-44/kV
Radio-influence-voltage date Maximum RIV at 1000kHz: 100-200/kV
Low-frequency puncture voltage average: 130-225/kV
Dry arcing distance: 178-356/mm
Cantilever failing load: 1134-1360/kN
Weight: 3.7-13.5/kg