Description
U160BS Glass Insulator Technical Specifications
DIMENSIONS
According to IEC 60305
IEC designation: U160BS
Diameter of shell (D): 280 mm
Spacing (H): 146 mm
Nominal creepage distance: 400 mm
Ball and socket coupling (IEC 60120): 20 mm
Approximate net weight: 6.0 kg
MECHANICAL PERFORMANCE
According to IEC 60383
Minimum mechanical failing load: 160 kN
Routine Test Load: 80 kN
ELECTRICAL PERFORMANCE
According to IEC 60383
Puncture voltage in insulating medium: 130 kV
50 Hz withstand voltage (dry): 72 kV
50 Hz withstand voltage (wet): 45 kV
Dry lightning impulse withstand voltage: 125 kV
COMPONENT PARTS
Dielectric shell: Toughened glass
Cap: Hot dip alvanized cast iron
Pin: Hot dip galvanized forged steel
Cotter key: Stainless steel
Cement: Aluminous, hot cured