This isthe railway insulator for the railway line!
Materials: Silicon rubber
Color: Red
Code name: 151203
Type: FQB-25/8
Section length: 760mm
Insulating length: 420mm
Mechanical bend failing load: 8kN
Mechanical tensile load roting: 80kN,
Rated moving load: More than 20 kN
Minimum nominal creepage distance: 1400mm
Lightning impulse withstand voltage: 270kV
1 min power -frequency withstand voltage: Dry: 160kV, wet: 130kV