China Overhead Power Line Accessories Power Transmission High Quality Porcelain Insulator, Find details about China Suspension Insulator, Porcelain Insulator from Overhead Power Line Accessories Power Transmission High Quality Porcelain Insulator
BS Class | 52-1 | 52-2 | 52-3 | 52-3 | 52-4 | 52-4 | |
Main dimension,mm | D | 152 | 190 | 254 | 254 | 254 | 254 |
H | 140 | 146 | 146 | 146 | 146 | 146 | |
Creepage distance,mm | 178 | 210 | 292 | 292 | 292 | 292 | |
Combined M&E Strength,kN | 44 | 67 | 67 | 89 | 67 | 89 | |
Impact Strength,N-m | 5 | 5.5 | 6 | 6 | 6 | 6 | |
Routine Proof Test Load,Kn | 22 | 33.5 | 33.5 | 44.5 | 33.5 | 44.5 | |
Time Load Test Value,Kn | 27 | 44 | 44 | 53.4 | 44 | 53.4 | |
Lower Frequency Flashover Voltage | Dry,kv | 60 | 65 | 80 | 80 | 80 | 80 |
Wet,kv | 30 | 35 | 50 | 50 | 50 | 50 | |
Critical Impulse Flashover Voltage | Pos.,kv | 100 | 115 | 125 | 125 | 125 | 125 |
Neg.,kv | 100 | 115 | 130 | 130 | 130 | 130 | |
Low Frequency Puncture Voltage,kv | 80 | 90 | 110 | 110 | 110 | 110 | |
RIV Data | Test volt. To ground,kv | 7.5 | 7.5 | 10 | 10 | 10 | 10 |
Max RIV at 1000 KHz,Uv | 50 | 50 | 50 | 50 | 10 | 50 | |
Approx.weight,kg | 2.5 | 3.5 | 4.6 | 5.2 | 4.6 | 5.2 |