OEM Available ANSI57 Series Line Post Type Porcelain Insulator Glazed F Neck

1. Line post insulators shall conform in all respects to the requirements of ANSI standard.

2. The insulators shall be made of good commercial-grade wet-process porcelain.The entire surface of the insulator, with the exception of a firing surface, shall be glazed.If gray is required, it shall be in accordance with ANSI Z55.1-1967 (R1973).

3. Metal parts shall be made of a good commercial grade of malleable iron, ductile iron, steel, or
aluminum. Ferrous parts, other than stainless steel, shall be galvanized in accordance with ASTM A153.

1.Creepage distance: 559mm
2.Cantilever strength: 12.5kN
3. Low frequency flashover voltage: Dry: 100kV Wet: 70kV
4. Critical impluse flashover voltage: Positive: 160kV Negative: 205kV
5. Radio Influence voltage: Test voltage to ground: 22kV

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Provide spare parts for wearing parts(such as post insulator, bolt, etc.)