ANSI 52-8 Series Porcelain Suspension Insulators
ANSI 52-8 Series Porcelain Suspension Insulators image
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The drawing of the 52 series ceramic/ porcelain insulator ( for high voltage):
product name | material | model |
porcelain insulatr | porcelian, ceramic | 52 series porcelain insulator |
ANSI CLASS | 52-1 | 52-2 | 52-3 | 52-4 | 52-5 | 52-6 | 52-8 | 52-9A | 52-9B | 52-10 | ||
Fig No. | 1 | 2 | 3 | 4 | 3 | 4 | 3 | 5 | 6 | 4 | ||
Main Dimension | D | 165 | 190.5 | 254 | 254 | 254 | 254 | 280 | 114 | 133 | 280 | |
H | 140 | 146 | 146 | 146 | 146 | 146 | 146 | 159 | 159 | 165 | ||
Leakage Distance (mm) | 178 | 210 | 292 | 292 | 292 | 292 | 280 | 171 | 171 | 280 | ||
Power-Frequency Puncture Voltage (kV) | 80 | 90 | 110 | 110 | 110 | 110 | 110 | 80 | 80 | 110 | ||
Average Flashover Voltage | Power Frequency | Dry (kV) | 60 | 65 | 80 | 80 | 80 | 80 | 80 | 60 | 60 | 80 |
Wet (kV) | 30 | 35 | 50 | 50 | 50 | 50 | 50 | 30 | 30 | 50 | ||
Critical-Impulse 1.5x40us Wave | Positive (kV) | 100 | 115 | 125 | 125 | 125 | 125 | 125 | 110 | 110 | 125 | |
Negative (kV) | 100 | 115 | 130 | 130 | 130 | 130 | 130 | 90 | 90 | 130 | ||
Radio-Influence Voltage | Test Voltage to ground (kV) | 7.5 | 7.5 | 10 | 10 | 10 | 10 | 10 | 7.5 | 7.5 | 10 | |
Maximum RIV at 1000kHz (uV) | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | ||
Rated E&M Failing Load (kN) | 44 | 70 | 70 | 70 | 111 | 111 | 160 | 44 | 44 | 160 | ||
Tension Proof Load (kN) | 22 | 35 | 35 | 35 | 55.5 | 55.5 | 80 | 22 | 22 | 80 | ||
Impact Strength (N.m) | 5 | 5.5 | 6 | 6 | 7 | 7 | 10 | 5 | 5 | 10 |
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