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 CLASS56-156-256-356-456-5Fig. No.1212334Main Dimension(mm)H146165191241318h50.850.850.850.863.5D191228267305343d34.934.934.934.934.9R11919191919R21414141414Leakage Distance (in)1317212734Dry Arcing Distance (in)7891114Low Frequency
VoltageDry Flashover95110125140175Wet Flashover60708095125Puncture130145165185225Critical Impulse
Flashover VoltagePositive/kV150175200225270Negative/kV190225265310340Radio
Influence
voltageTest Voltage to ground/kV1522303044Maximum RIV at 1000kHz/uVPlain800012000160001600025000Radio Freed100100200200200Cantilever Strength (lb)25003000300030003000
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..