Place of Origin: | CHINA |
Brand Name: | HIVOLT |
Certification: | CE/SGS |
Model Number: | ANSI 57-4 |
Minimum Order Quantity: | Negotiable |
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Price: | Negotiable |
Packaging Details: | wooden pallet |
Supply Ability: | 20000 pcs per month |
Material: | Porcelain C-130 | Standard: | ANSI C29.7 |
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With Assembly Bolt: | Yes , Long Bolt Or Short Bolt | Color: | Brown |
OEM: | Available | Neck: | N Neck |
High Light: | Post Type Insulator,Porcelain Post Insulators |
Professional Porcelain Line Post Insulator 55kV High Voltage N Neck ANSI 57-4
ANSI C29.7 standard porcelain line post insulator 57-4 character :
Product technical performance :
Technical Specification | Unit | Value | |
1 | Total length | mm | 432 |
2 | Max. Shed Diameter | mm | 180 |
3 | Creepage Distance | mm | 1020 |
4 | Cantilever Strength | KN | 12.5 |
5 | Power frequency Flashover Voltage | ||
dry | KV | 150 | |
wet | KV | 125 | |
6 | Critical Impulse flashover Voltage + | KV | 255 |
7 | Radio interference voltage test voltage | KV | 44 |
Max. RIV at 1 MHz | μV | 200 |
HIVOLT line post insulators 57-4 are available for vertical mounting in either tie top design.
the unit is vertical mounting on a crossarm .
HIVOLT line post insulator are one whole piece porcelain without joints . they are free from both radio and television interference without any further treatment. their trim, sturdy sheds enable them to withstand attacks from stones and power arcover .
they are especially useful for service on industrial feeders where maximum reliability is most valuable in providing optimum service continuity.
on the tie top unit ( N Neck) the wide ANSI standard wire groove is provided with a head and neck designed
we can provide short stud or long bolt for insulator assembly .
Applications:
The ANSI 57-4 porcelain line post insulators are used on distrbution lines with voltage up to 55kV. These insulators are commonly installed vertically on metal base to support the
conductor . tie top procelain can hold conductor firmly and suitable for different size of conductors.
Competitive Advantage:
high strength aluminum porcelain C-130 is used for insulation body .
the insulator have very light net weight yet high mechanical strength .
the insulator have excellent self-clean character , much easier for maintenance..
OEM product are available .
Contact Person: canning
Tel: +8613942017540
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