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 CLASS55-155-255-355-455-555-655-7Fig. No.1234444GlazedA:PlainB:Radio FreedA/BA/BA/BA/BA/BA/BA/BMain DimensionH8982.695.3111.2123.9140140h44.538.138.144.550.85757D82.695.3120.7140177.8213213d25.425.425.425.425.425.435R1-1614.325.425.425.425.4R2131614.314.314.31616Nominal Voltage kV361010152222Creepage Distance/mm102127178229305381381Flashover voltagePower FrequencyDry/kV3550/4565/5570/6585/80100100Wet/kV202535/3040/3545505050% ImpulsePositive/kV5075/70100/90110/105140/130150150Negative/kV7095/85130/110140/130170/150170170Radio Influence voltageTest Voltage to ground/kV551010152222Maximum RIV at 1000kHz/uV2500/502500/505500/505500/508000/1008000/1008000/100Low-Frequency Puncture Voltage kV50709095115135135Dry Arcing Distance (mm)5786114127159203203Cantilever Failing Load (lb)3000250025003000300030003000
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..