Used for outdoor substation, distribution device as well as electrical equipments. System Voltage: 11kV, 33kV, 66kV(69kV), 132kV, 230kV, 400kV, 500kV Specified Cantilever Load (SCL): 2-20 kN Color: Brown, Gray, or Customer’s requirement Applicable Standard: IEC, ANSI, or Customer requirement Applicable Condition: environment temperature from -50℃ to +50℃, altitude from 0 ~ 4000 meters above sea level, and medium & heavy