U120B Suspension Porcelain Insulator

120kN Suspension Tension Cap and Pin Disc Porcelain /Ceramic Insulator  IEC Standard U120b / ANSI 52-5.U120B is a common suspension ceramic insulator with a rated mechanical failure load of 120kN, and its structural height is commonly 127mm or 146mm.Its umbrella skirt design is relatively standard, with a relatively short creepage distance (usually around 320mm), mainly used for high-voltage overhead transmission lines in ordinary areas with clean air.Voltage level: Suitable for high-voltage and ultra-high voltage AC/DC overhead transmission lines ranging from 10kV to 330kV.Line type: widely used in high-voltage and ultra high voltage AC and DC transmission lines, as a key component of insulation and suspension conductors.Environmental area: mainly used in ordinary areas with clean air and light pollution. For example, areas with better natural environments such as rural areas, mountains, and forests. Due to its relatively short standard creepage distance (such as 320mm) compared to the anti fouling type, it is generally not recommended to use it directly in polluted environments such as coastal areas and heavy industrial zones.