glass suspension insulator U420B
Dimensions
Nominal Diameter (mm):360
Nominal Creepage Distance (mm):550
Nominal Structure Height (mm):205
Description
Mechanical Values
Tensile Load Test (KN):200
Rated Mechanical Failing Load (kN):420
Electrical Values
Lightning Impulse Withstand Voltage (kV):125
Power Frequency Dry Flashover Voltage (kV):55
Power Frequency Wet Flashover Voltage (kV):130
Radio Interference Voltage at 10kV, 1MHz (μV):50
