57-11 Vertical Type Line Post Insulator with Canti

57-11 Vertical Type Line Post Insulator with Cantilever Strength of 12.5kN used on distribution line, net work transmission line and other power line. The insulator can be mounted rigidly on supporting structure by means of a bolts or pin Connected fitting type: tie top conductor binding type and clamp top with vertical or horizontal mounting Main type: 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, 57-35 According to ANSI C29.7 , IEC383 and BS137 Have passed the ISO9001 Certifications