Changsha Power Electric Co.,Ltd.
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*Distribution Line 18kg ANSI 57-5L Post Type Insulator
Applications:
Line post insulators are designed to provide rigid support of conducting cable while offering the maximum resistance to damage from electrical or mechanical events. Horizontal and gain-base line post insulators are often used in applications to avoid the need to install a cross-arm on the pole.
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.
specification:
| IEC CLASS | Height(mm) | Shed dia.(mm) | Creepage distance (mm) | Power frequency withstand voltage(kV) | Impulse withstand voltage(kV) |
| 4001 | 471 | 120 | 645 | 60 | 20.3 |
Competitive advantages:
1. Efficient and fast responses are pre-requisite.
2. Maintain composure and patience in the face of difficult situations of clients.
3. Training of introduction of equipment are offered according to client's demand.
4. Build up long-term and stable partnerships, and constantly provide high-quality products.
5. Equipment are guaranteed up to one year and an overall after-sales service is provided.