25KV High Voltage Transformer Bushing CT25-250A Porcelain insulators

Technical Requirement

• The Areas Marked With Double Dotted Lines Shall Not Be Glazed, While The Rest Shall Be Glazed With Brown Glaze.
• Power Frequency Flashover Voltage: Dry Flashover 60kV, Wet Flashover 50kV;
• Lightning Impulse Voltage 150kV
• The Creepage Distance Of A-B Is Greater Than620mm.
• Apply semiconductor glaze at C-D,When 1000VCD is required, the resistivity should be between 100K Ω and 500K Ω
• Except As Shown In The Diagram, All Other Specifications Should Comply With DIN 40680 And DIN 42531.