Product Main

Specifications

 
Standard GB (China National Standard)
Type of Disc Suspension Insulator XP-70C XP-70T XP-100 XP-120 XHP-70 XHP-100 XHP-120
Main Dimensions (mm) Unit Spacing(H) 146 146 146 146 146 146 146
Nominal Diameter(D) 255 255 255 255 255 255 255
Coupling Type 16 16 16 16 16 16 16
Min. Creepage Distance (mm) 295 295 295 295 432 432 432
Rated Electromechanical Failing Load (KN) 70 70 100 120 70 100 120
Impact Strength (cN.m) 565 565 678 678 6 7 10
Min. Lighting Full Wave Impulse Withstand (peak) Voltage (KV) 100 100 100 100 120 120 120
Min. Wet Power Frequency Withstand (r.m.s) Voltage(KV) 40 40 40 40 45 45 45
Power Frequency Puncture Voltage (KV) 110 110 110 110 120 120 120
Weight (KG) 5.3 5.4 5.6 5.6 7 8 9
 

 

Standard ANSI
Class 52-1 52-2 52-3 52-4 52-5 52-6 52-9
Main Dimensions (mm)  Max. Unit Spacing(H) 140 146 146 146 146 146 160
 Nominal Diameter(D) 160 200 255 255 255 255 114
Leakage Distance (mm) 178 210 292 292 292 292 171
Combined M & E Strength (KN) 45 70 70 70 111 111 45
Mechanical Impact Strength (N.m) 5.0 5.5 6.0 6.0 7.0 7.0 5.0
Time Load Test Value (KN) 27 44 44 44 67 67 27
Power Frequency Flashover Volatge (KV)    Dry 60 65 80 80 80 80 60
   Wet 30 35 50 50 50 50 30
Critical Impulse Flashover Voltage (KV)    Positive 100 115 125 125 125 125 100
   Negative 100 115 130 130 130 130 90
Power Frequency Puncture Voltage (KV) 80 90 110 110 110 110 80
Radio Interference Voltage Test volatge to ground (KV) 7.5 7.5 10 10 10 10 7.5
Max. RIV at 1 MHz (μV) 50 50 50 50 50 50 50