Disc suspension insulator
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Suspension Insulator 52-3
D: 254mm, H: 146mm
creepage distance: 292mm
cantilever strength: 70KN
disc suspension insulator 52-3
D: 254mm, H: 146mm
creepage distance: 292mm
cantilever strength: 70KN
| Class ANSI | 52-1 | 52-2 | 52-3 | 52-4 | 52-5 | 52-6 | 52-9 | 52-10 | ||
| Main Dimensions/mm | H | 165 | 190.5 | 254 | 254 | 254 | 254 | 114 | 279.4 | |
| D | 139.7 | 146 | 146 | 146 | 146 | 146 | 160 | 165 | ||
| Creepage Distance/mm | 178 | 210 | 292 | 279 | 279 | 171 | 171 | 279 | ||
| Power-Frequency Puncture Voltage /kv | 80 | 90 | 110 | 110 | 110 | 80 | 80 | 110 | ||
| Average Flashover Voltage | Power-frequency | Dry/kv | 60 | 65 | 80 | 80 | 80 | 60 | 60 | 80 |
| Wet/kv | 30 | 35 | 50 | 50 | 50 | 50 | 30 | 50 | ||
| Critical-Impluse 15×40μs Wave | Postitive/kv | 100 | 115 | 125 | 125 | 125 | 125 | 90 | 125 | |
| Negative/kv | 100 | 115 | 130 | 130 | 130 | 130 | 100 | 130 | ||
| Radio-Influence Voltage Data | Test Voltage to Ground/kv | 7.5 | 7.5 | 10 | 10 | 10 | 10 | 7.5 | 10 | |
| Maximum RIV at 1000kHz/μv | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | ||
| Electromechanical Failing Load/KN | 45 | 70 | 70 | 70 | 111 | 111 | 44 | 160 | ||
| Mechanical Impact Strength/n.m | 5 | 5.5 | 5.5 | 6 | 7 | 7 | 5 | 10 | ||
| Time Load Test Value/KN | 27 | 44 | 44 | 44 | 67 | 67 | 27 | 107 | ||
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