1. Toughed Glass insulators is QINGDAO COSINE ELECTRICAL EQUIPMENT CO.,LTD normal products.
2. Package of U70BS and U160BS toughened glass insulator: Export Package
Following is pictures of manufacturing, testing glass insulators. Please contact me freely if you have any interest or needs.
U70 146/320U160
146/400( mm ) Diameter D255280( mm ) Spacing H146146( mm ) Creepage L320400( mm ) Socket soupling ( kN ) Specified mechanical load70KN160KN( kN ) routine test load35KN80KN( kV ) Wet power frequency withstand voltage4045( kV ) Dry lightning impulse withstand voltage100110( P.U ) Impulse puncture voltage2.82.8( kV ) Power frequency puncture voltage130130( µV ) Radio influence voltage5050( kV ) Corona visual test18/2218/22Power frequency electric arc voltage0.12s/20kA0.12s/20kAApplied StandardIEC120IEC120