Horizontal Type Line ANSI OEM Porcelain Line Post Insulator 57-12
Descriptions:
- Line post insulators shall conform in all respects to the requirements of ANSI standard.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).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.
Specifications:
| 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) |
Negative(kV) |
| 57-12 |
559 |
241 |
12.5 |
100 |
0 |
300 |
205 |
22 |
Competitive advantages:
- Products are producd by ourselves, which ensures competitive prices, good profit margin and flexible services;
- OEM & ODM services are acceptable and various styles, latest designs are recommended once in a while;
- We have large market share home and abroad;
- Our products have passed Design Test and Quality Conformance Tests on ANSI Class, and meet standards such as XIHARI, IEC, SA, AS
- We have lots of experience in providing good service to retailers. We focus on electric products, marketing, services and logistics. It is an important manufacturer and export trader with several decades of experience in designing, researching, manufacturing, testing and logistics.
