Professional Porcelain Line Post Insulator High Voltage N Neck

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 :

HIVOLT line post insulators 57-4 are available for vertical mounting in either tie top design.

​the unit is vertical mounting on a crossarm .

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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 .

Dalian Hivolt Power System Co.,Ltd. is a reputable insulator manufacturer . It was set up in year 1990 with product range of porcelain insulators , composite insulators ,and relevant metal fittings for transmission & distribution lines. We get power from more than 400 diligent staff and 50 experienced engineers .

we look the quality as our company Life ,and keep improving products quality . we strictly control the whole manufacturing process according to ISO 9001 : 2008 edition ,and focus on each quality details from raw material to insulators performance test .the powerful test facilities can make sure that each product under control.

We can supply insulators according to IEC standards, ANSI standards,BS standards or customer specfications . porcelain glaze can be made as colour brown, light gray ,white or blue . Composite shed colour can be light grey or red . in the mean time , we also supply high quality tonghened glass insulators for domestic market and overseas market.

Dalian Hivolt Power System Co.,Ltd. is a reputable supplier ,we have successfully supplied many kind of insulators to more 30 countries and regions due to reliable quality & reasonable price.We promise if any insulator from our company has quality defect , we will replace them at free charge in 12 months after receipt.We hope to set up a long term cooperation with you and enjoy the course together.