|No.2804, 75 Huili Street , Ganjingzi District, Dalian China|
|Place of Origin:||CHINA|
|Model Number:||ANSI 57-4|
|Minimum Order Quantity:||Negotiable|
|Packaging Details:||wooden pallet|
|Supply Ability:||20000 pcs per month|
|Material:||Porcelain C-130||Standard:||ANSI C29.7|
|With Assembly Bolt:||Yes , Long Bolt Or Short Bolt||Color:||Brown|
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 :
|2||Max. Shed Diameter||mm||180|
|5||Power frequency Flashover Voltage|
|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 .
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.
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