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57-3 Grey Color Line Post Insulator For Distribution Lines F Neck

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57-3 Grey Color Line Post Insulator For Distribution Lines F Neck

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Large Image :  57-3 Grey Color Line Post Insulator For Distribution Lines F Neck

Product Details:
Place of Origin: CHINA
Brand Name: HIVOLT
Certification: CE/SGS
Model Number: 57-2
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: wooden pallet
Supply Ability: 20000 pcs per month
Detailed Product Description
Material: Porcelain C-130 Standard: ANSI C29.7
With Assembly Bolt: Yes , Long Bolt Or Short Bolt Color: Grey
OEM: Available Neck: F Neck
High Light:

Post Type Insulator


Pin Post Insulator

porcelain ANSI C29.7 standard line post insulator 57-2



ANSI C29.7 standard porcelain line post insulator 57-2 character :

Product technical performance :

  Technical Specification Unit Value
1 Total length mm 305
2 Max. Shed Diameter mm 152
3 Creepage Distance mm 559
4 Cantilever Strength KN 12.5
5 Power frequency flashover Voltage    
  dry KV 100
  wet KV 70
6 Critical Impulse flashover Voltage + KV  160
7 Radio interference voltage test voltage KV 22
  Max. RIV at 1 MHz μV 200


HIVOLT line post insulators 57-2 are suitable for vertical assembled on a wooden or steel crossarm .

HIVOLT line post insulator 57-2 are one solid piece porcelain . they are inherently free from radio  interference without any treatment. their trim, sturdy sheds enable them to withstand attacks from stones , bullets 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 the wide ANSI standard wire groove is provided with a head and neck designed to enable the use of either warplock or standard wire ties.

​we can provide short stud or long bolt for insulator assembly .




The ANSI 57-2 porcelain line post insulators are used on distrbution lines . These insulators are commonly installed vertically on metal or wooden structures based 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 .

​it can save transportation cost , and easy for assembly in distribution lines.

​the insulator have excellent self-clean character , much easier for maintenance.

we offer 3 years quality guarantee .

OEM product are available .


Contact Details
Dalian Hivolt Power System Co.,Ltd.

Contact Person: canning

Tel: +8613942017540

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