IEC ANSI 57-5 Standard Porcelain Line Post Insulators Crack Resistant
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
35DAYS
Brand:
CPE
Product Description
IEC Standard Porcelain Line Post Insulators ANSI 57-5
| 57-5 | 1145 | 438 | 12.5 | 160 | 130 | 265 | 44 |
Descriptions:
Line post insulators shall conform in all respects to the requirements of ANSI standard.
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) | |||||
| 57-1 | 356 | 165 | 12.5 | 70 | 50 | 120 | 15 |
| 57-2 | 559 | 241 | 12.5 | 100 | 70 | 160 | 22 |
| 57-3 | 737 | 311 | 12.5 | 125 | 95 | 200 | 30 |
| 57-4 | 1015 | 368 | 12.5 | 140 | 110 | 230 | 44 |
| 57-5 | 1145 | 438 | 12.5 | 160 | 130 | 265 | 44 |
| 57-6 | 1364 | 489 | 12.5 | 180 | 150 | 300 | 44 |
Competitive advantages:
- Reasonable insulation structure high reliability of interturn insulation.
- Stainless steel flange low magnetic inductivity high resistivity.Small volume light weight.
- Convenient transportation and flexible installation.
- Low OSS.Low temperature rise.High mechanical strength, strong weather ability.
- Outstanding crack resistance.
- Low thermal expansion coefficient.
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Company
Changsha Power Electric Co.,Ltd.
Location
Room 3007, Building A, Shangcheng, No.47 Kaiyuan East Road Xingsha, Changsha city, Hunan Province.
Contact Person
Meggy Li