Changsha Power Electric Co.,Ltd.
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ANSI 55-3 pin type porcelain insulator / gray color/ sample avaliable
Descriptions:
| ANSI CLASS | Creepage distance (mm) | Dry arcing distance (mm) | Radio interference voltage(kV) | Critical impulse flashover voltage | Low frequency flashover voltage | Cantilever strength(kN) | |
| Positive(kV) | Dry(kV) | Wet(kV) | |||||
| 55-3 | 178 | 114 | 10 | 90 | 55 | 30 | 11 |
1. The insulation part use high aluminum porcelain C120 , glaze color grey .
2. Metal cap are made of ductile iron ,metal pins are made of forged steel .
all the metal fittngs are hot-galvanized .
3. Each piece of insulators are routine tested , test items including:
routine tension load strength test , which will apply 50% of rate mechanical strength withstand 1 minutes . after this test , we conduct routine flashover test , will check each piece of insulators one by one , to sort defect unit out.
Instructions:
1.We can supply insulators according to IEC standards, ANSI standards, BS standards or customers' specifications.
2. Porcelain glaze color can be made as brown and gray.
Competitive Advantages:
1. We offer 1 years to 2 years quality guarantee for our product .
2. The insulator finish are smooth and shinning , it has very good self-cleaning performance and easy for maintenance.
3. OEM design are available.