Product Description
specifications
1. original insulator producer
2. superior properties of low and medium temperature resistance;
3. strong aging resistance;
4. nice appearance & long service time.
5. comman glaze and semi-conductor glaze, color brown and gray both available.
6. free sample, professional porcelain insulator supplier.
product description
porcelain spool insulator details and parameters
ANSI CLASSWith long stud57-1L57-2L57-3L57-4L57-5LWith short stud57-1S57-2S57-3S57-4S57-5SFig. No.12345Creepage Distance (mm)35655973710161143Dry Arcing Distance (mm)165241311368430Cantilever Strength(kN)12.512.512.512.512.5Power Frequency
Flashover VoltageDry /kV70100125140160Wet/kV507095110130Critical Impulse
Flashover VoltagePositive/kV120160200230265Negative/kV155205260340380Radio
Influence voltageTest Voltage to ground/kV1522304444Maximum RIV at 1MHz/uV100100200200200
Our factory
we are a combination of trade and manufacturer that professional in insulators . our manufacturer has modern techniques, with advance semiautomatic production lines. main products have: suspension disc insulators, pin insulators, spool insulator, stay & starain insulators, line post insulator, shackle insulators, composite insulators and glasses insulators etc..