Pingxiang Great Electroceramics Co., Ltd.| Manufacturer
Pingxiang Great Electroceramics Co., Ltd.

China Manufacturer with main products: Insulator, suspension insulator, spool insulator, porcelain insulator, high voltage, pin insulator, stay insulator

Pin Insulator

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Specifications

Standard ANSI
Class 55-1 55-2 55-3 55-4 55-5
Main Dimensions (mm)  Max. Unit Spacing(H) 89 83 95 111 124
 Nominal Diameter(D) 83 95 121 140 178
Creepage Distance (mm) 102 127 178 229 305
Dry Arcing Distance (mm) 57 86 114 127 159
Cantilever Strength (KN) 13 11 11 13 13
Low Frequency Flashover Volatge (KV)    Dry 35 50/45 65/55 70/65 85/80
   Wet 20 25 35/30 40/35 45
Critical Impulse Flashover Voltage (KV)    Positive 50 75/70 100/90 110/105 140/130
   Negative 70 95/85 130/110 140/130 170/150
Power Frequency Puncture Voltage (KV) 50 70 90 95 115
Radio Interference Voltage Test volatge to ground (KV) 5 5 10 10 15
Max. RIV at 1 MHz (μV) 50 50 50 50 100

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