Transmission Line Post Porcelain Insulator ANSI 57-3S/ OEM available/ brown
Descriptions:
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, oraluminum. Ferrous parts, other than stainless steel, shall be galvanized in accordance with ASTM A153.
Specification:
1. Glaze color: Light gray
2. Creepage distance: 737mm
3. Cantilever strength: 12.5kN
4. Power frequency fiashover voltage -Dry: 125KV
5. Power frequency fiashover voltage -wet: 95KV
6. Standard: ANSI
Competitive advantages:
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