Usage:Rigid insulator, generally applicable to voltage less than 46kV, used to insulate and support conductor;  

it can be applied up to 220kV in North America. As non- puncture insulator, its operational reliability is better

than porcelain pin insulators.

Strength: 4kN- 16kN

Colour: Brown, Light gray or to drawings

Applicable Standard:ANSI, IEC, AS
Connected fitting type: Vertical & horizontal mounting tie-top/clamp-top type with stud base;horizontal mounting 

clamp-top type with curved base.

Main type: 57-1, 57-2, 57-3, 57-4, 57-5, 57-6, 57-7, 57-11, 57-12, 57-13, 57-14, 57-15, 57-21, 57-22, 57-23,

57-24, 57-25, 57-26, 57-31, 57-32, 57-33 according to ANSI C29.7.