... export can be processed under ANSI ,IEC. Type: 57-3 57 Series Line Post Insulator Line Post Insulator used on ... 57-1, 57-2, 57-3, 57-4, 57-5, 57-11, 57-12, 57-13, 57-14, 57-15, 57-21, 57-22, 57-23, 57-24, 57-25, 57-31, 57-32, 57-33, 57-34, 57- ... 5Creepage Distance (mm)35655973710151143Dry Arcing Distance(mm)165241311368438Cantilever Strength (KN)12.512.512.512.512.5Low Frequency Dry Flashouer(kv ...