... for export can be processed under ANSI ,IEC. Type: 57-3 57 Series Line Post Insulator Line Post Insulator used on ... type: ANSI C29.7 type: 57-1, 57-2, 57-3, 57-4, 57-5, 57-11, 57-12, 57-13 ... Impulse Flashover Neg(kv)155205260340380Test Voltage To Ground(kv)1522304444Maximum RIV at 1000KHZ (uv)1000KHZ100100200200200Net Weight Each Approx(kg)5.09 ...