Description
Porcelain insulator includes Suspension type, Pin type, Spool type, Strain/Guy type, Line Post type and Station Post type, which meet IEC, ANSI, AS, BS, etc. standards.
Specifications
Suspension Insulator: IEC 305 (BS 137 & AS1137): From 40 KN, 45KN, 60KN, 70KN, 80KN, 100KN, 110KN, 120 KN, 125KN, 160KN, 210KN, 300KN upto 400KN.
| Fig. No. | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | |
| IEC Class | U40BL | U70BL | U70C | U80 | U100BL | U120BL | U160BL | U210BL | U300BL | |
| Dimension (mm) | D | 175 | 255 | 255 | 255 | 255 | 255 | 255 | 280 | 320 |
| H | 110 | 146 | 146 | 146 | 146 | 146 | 155 | 170 | 195 | |
| Creepage distance (mm) | 185 | 295 | 295 | 295 | 295 | 295 | 305 | 335 | 370 | |
| Coupling size | 11 | 16 | 16C | 16A | 16 | 16 | 20 | 24 | 24 | |
| Rated E& M failing load (kN) | 40 | 70 | 70 | 80 | 100 | 120 | 160 | 210 | 300 | |
| Routine tension load (kN) | 20 | 35 | 35 | 40 | 50 | 60 | 80 | 105 | 150 | |
| Impact failing load (N.M.) | 5 | 6 | 6 | 6 | 7 | 7 | 10 | 10 | 10 | |
| Wet power-frequency withstand voltage (kV) | 30 | 40 | 40 | 40 | 40 | 40 | 40 | 42 | 45 | |
| Lightning impulse withstand voltage (kV) | 75 | 100 | 100 | 100 | 100 | 100 | 100 | 105 | 110 | |
| Radio influence voltage | Test voltage to ground (kV) | 7.5 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Max. RIV at 1000kHz (uV) | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | |
| Power frequency puncture voltage (kV) | 90 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | |
| Net weight, Each, Approx (kg) | 2.38 | 4.7 | 4.7 | 5.1 | 5.75 | 5.75 | 6.9 | 9.5 | 13.5 | |
Download
