Disc Suspension Insulator
Main dimensions and standard particulars
| ANSI Type | 52-1 | 52-2 | 92-3 | 52-4 | 52-5 | 52-6 | 52-8 | 52-9A | ||
| Fig No | 1 | 2 | 3 | 4 | 3 | 4 | 3 | 5 | ||
| Main dimensions (mm) | D | 165 | 190.5 | 254 | 254 | 254 | 254 | 280 | 114 | |
| H | 140 | 146 | 146 | 146 | 146 | 146 | 146 | 159 | ||
| Leakage distance (mm) |
210 | 292 | 292 | 292 | 292 | 280 | 171 | 178 | ||
| Power frequency punture voltage(kV) |
80 | 90 | 110 | 110 | 110 | 110 | 110 | 80 | ||
| Flashover Voltage(kV) | Power frequency | Dry | 60 | 65 | 80 | 80 | 80 | 80 | 80 | 60 |
| Wet | 30 | 35 | 50 | 50 | 50 | 50 | 50 | 30 | ||
| Critical impulse 1.5 * 40us wave | Pos. | 100 | 115 | 125 | 125 | 125 | 125 | 125 | 110 | |
| Neg. | 100 | 115 | 130 | 130 | 130 | 130 | 130 | 90 | ||
| Radio influence voltage | Test voltage to ground-KV | 7.5 | 7.5 | 10 | 10 | 10 | 10 | 10 | 7.5 | |
| Max.RIV at 1000Hz-µv | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | ||
| Rated E & M failing load(KN) |
44 | 70 | 70 | 70 | 111 | 111 | 160 | 44 | ||
| Tension proof load(KN) |
22 | 35 | 35 | 35 | 55.5 | 55.5 | 80 | 22 | ||
| Impact strength (N.m) |
5 | 5.5 | 6 | 6 | 7 | 7 | 10 | 5 | ||
ISO 9001:2015 JAS- ANZ
Power Systems
Tele Communication Systems
IEC Standard 61300-3-3--5
Quality Management
Quality Control