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Categories | Porcelain Line Post Insulator |
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Brand Name: | CPE |
Model Number: | ANSI 57-5 |
Place of Origin: | CHINA |
MOQ: | Negotiable |
Price: | Negotiable |
Payment Terms: | T/T, L/C |
Supply Ability: | 3000PCS PER MONTH |
Delivery Time: | 35DAYS |
Packaging Details: | WOODEN CRATE |
Color: | Light gray |
Material: | Porcelain C-120 |
Application: | Transmission and distribution of electric power |
Standard: | ANSI |
Size: | Customized Size |
Sample: | Provided |
Oem: | YES |
Pack: | Standard export packing |
Company Info. |
Changsha Power Electric Co.,Ltd. |
Verified Supplier |
View Contact Details |
Product List |
Glazed ANSI 57-5 Porcelain High Voltage Power Line Insulators
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, or
aluminum. Ferrous parts, other than stainless steel, shall be
galvanized in accordance with ASTM A153.
ANSI CLASS | Creepage distance (mm) | Dry arcing distance (mm) | cantilever strength (kN) | Lower frequency flashover voltage | Critical impulse flashover voltage | Test voltage to ground (kV) | |
Dry(kV) | Wet(kV) | Positive(kV) | |||||
57-5 | 1145 | 438 | 12.5 | 160 | 130 | 265 | 44 |
Applications:
Post line ceramic insulator for high voltage overhead line transmission.
Competitive advantages:
1) Small size, light weight, easy to transport and install.
2) High mechanical strength, reliable structure, stable performance.
3) Excellent electrical performance and good stain resistance.
4) Good anti-brittle performance, shock-proof platform, no brittle failure.
5) Exchangeable, interchangeable with ceramic insulators.
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