1)Product name:post insulators for high voltage

2)Model no.:57-5S&5L

3)Standard:ANSI

4)Size:according to the different model and customer is choice

5)ANSI standard:

  other sizes:57-1S&1L,57-2S&2L,57-3S&3L,57-4S&4L

6)Creepage distance:1143 mm

7)Dry arcing distance:438  mm

8)Low frequency dry flashover:175 kv

9)Low frequency wet flashover:150 kv

10)Test voltage to ground:44 kv

11)Net weight each approx:18 kg

12)Number in standard package:2