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Pin Insulators For High Voltage Lines

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Anti-Pollution Suspension Porcelain Insulator
GB standard No. XHP-120、XHP1-120、XHP2-120、XHP3-120
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Details
Main dimensions and standard particulars
Insulator type AC anti-pollution type
GB standard No. XHP-120 XHP1-120 XHP2-120 XHP3-120
Fig 1 1 1 2
Specified mechanical load (kN) 120
Class U120BLP U120BSP U120BSP U120BSP
Nominal unit spacing (mm) 160 146 146 146
Nominal diameter (mm) 280 280 255 320
Nominal creepage distance (mm) 430 450 432 555
Ball & socket size 16 16 16 16
Electro mechanical failing load (kN) 120 120 120 120
Mechanical routine test load (kN) 60 60 60 60
Power frequency withstand voltage Dry kV 80 80 80 80
Wet (kV) 45 45 42 55
Lightning impulse withstand voltage (kV) 120 120 120 135
Power frequency puncture voltage (kV) 120 120 120 130
Radio interference voltage Test voltage to ground (kV) 10 10 10 10
Max . RIV at 1MHz (μV) 50 50 50 50
Weight (kg) 7.9 7.6 7.9 11.0
Applicable standard: GB IEC AS BS IS
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