High Voltage Porcelain Disc Insulator
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Quick Details
Product Details
Our product are fully comply with the standard such as IEC, BS, ANSI and other well recognized stand and requirement.
We strongly believe in the importance of maintaining high quality in all our products. We have brought in advanced quality tests as to ensure strict quality control before delivery. We have adopted advanced date management system to monitor and to supervise all individual process through our whole production lines of the product with traceable data in details and recorded at all level.
BASIC DATA
Fig | 1 | 2 | 3 | 4 | 3 | 4 | 5 | 4 | |||
Class ANSI | 52-1 | 52-2 | 52-3 | 52-4 | 52-5 | 52-6 | 52-9 | 52-10 | |||
Main dimensions | D | 165 | 190.5 | 254 | 254 | 254 | 254 | 114 | 2794 | ||
H | 139.7 | 146 | 146 | 146 | 146 | 146 | 160 | 165 | |||
Creepage distance(mm) | 178 | 210 | 292 | 292 | 279 | 279 | 171 | 279 | |||
Power-frequency puncture voltage(KV) | 80 | 90 | 110 | 110 | 110 | 110 | 80 | 110 | |||
Average flashover voltage | Power-frequency | Dry | 60 | 65 | 80 | 80 | 80 | 80 | 60 | 80 | |
Wet | 30 | 35 | 50 | 50 | 50 | 50 | 30 | 50 | |||
Critical-impulse 15*40μs wave | Positive | 100 | 115 | 125 | 125 | 125 | 125 | 90 | 125 | ||
Negative | 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 | ||
Macimum riv at 1000khz(μv) | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | |||
Electromechanical failing load(kn) | 44 | 67 | 67 | 67 | 111 | 111 | 44 | 160 | |||
Mechanical pressure strength(n.m) | 5 | 5.5 | 5.5 | 6 | 7 | 7 | 5 | 10 | |||
Timeload test(kn) | 27 | 44 | 44 | 44 | 67 | 67 | 27 | 107 |
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