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12.5kN line post insulator

 Line post insulator can be divided into 2kN, 4kN, 6kN, 8kN, 10kN and 12.5kN line post insulator in accordance with mechanical strength.

12.5kN line post insulator

12.5kN line post insulator

12.5kN line post insulators main technical parameters:

Model SDI82.1M20 SDI83.1M20 SDI84.1M20 SDI82.1M24
Bolts, mm M20×140 M20×140 M20×140 M24×140
Breaking load, kN 12.5 12.5 12.5 12.5
Creepage distance, mm 561 688 1168 1168
Dry lightning impulse withstand voltage, KV 156 156 181 181
Wet power frequency withstand voltage, kV 72 72 92 92
Weight, kg 2.56 2.63 2.96 2.96

Line post insulator mechanical strength can be up to 16kN used for transmission and distribution lines. Composite line post insulator is usually made from silicone rubber with high performance.


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