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Home > Products > Porcelain Insulator > Line Post Insulator > 57 Standard Series Line Post Porcelain Insulator
57 Standard Series Line Post Porcelain Insulator
57 Standard Series Line Post Porcelain Insulator
57 Standard Series Line Post Porcelain Insulator
57 Standard Series Line Post Porcelain Insulator
57 Standard Series Line Post Porcelain Insulator
  • 57 Standard Series Line Post Porcelain Insulator
  • 57 Standard Series Line Post Porcelain Insulator
  • 57 Standard Series Line Post Porcelain Insulator
  • 57 Standard Series Line Post Porcelain Insulator
  • 57 Standard Series Line Post Porcelain Insulator

57 Standard Series Line Post Porcelain Insulator

    Payment Type: L/C,T/T
    Incoterm: FOB,CFR,CIF
    Min. Order: 1000 Piece/Pieces
    Delivery Time: 30 Days

Basic Info

Model No.: 57-1,57-2,57-3,57-4,57-5

Application: Insulators

Material: Porcelain

Certification: SGS, ISO9001

Color: Brown

Type: Insulation Sheet

Additional Info

Packaging: Carton, Wooden case, Sack

Transportation: Ocean,Land

Place of Origin: Fuzhou, China

HS Code: 85462090

Port: FUZHOU

Product Description

57 Standard series Line Post Insulators will not fail due to flashover breakdown caused by changes in environmental and electrical load conditions. Line Post Insulator is belong to Porcelain Insulator,High Voltage Line Post Insulation are available in the following models: Ceramic line post insulator57-1,57-2,57-3,57-4,57-5

MAIN DIMENSIONS AND STANDARD PARTICULARS
ANSI Class 57-1 57-2 57-3 57-4 57-5
Dimensions of the pin/mm M16 M20(M16) M20 M20 M20
Creepage Distance/mm 356 559 737 1015 1145
Dry Arcing Distance/mm 165 241 311 368 438
Cantilever Strength/kn 12.5 12.5 12.5 12.5 12.5
Low Frequency Dry Flashover Voltage/kv 80 110 125 150 175
Low Frequency Wet Flashover Voltage/kv 60 85 100 125 150
Critical Impulse Flashover Voltage, Pos/kv 130 180 210 255 290
Critical Impulse Flashover Voltage, Neg/kv 155 205 260 340 380
Test Voltage to Ground/kv 15 22 30 44 44
Maximum RIV at 1000KHZ/μv 100 100 200 200 200
Net Weight/kg 5.2 9 11 16 23

ine post insulatorine post insulator57-1

57-2 insulator57-2line post insulator

57-3line post insulator57-3 line post porcelain insulator

57-4line post insulator57-4 line post insulators

57-5 line post insulator57-5 line post insulators

Our Services

1. Small orders accepted
2. Fast producing time, prompt delivery
3. International approvals
4. Reply promptly in 24 hours
5. Best price

FAQ:

1. Q: How about payment terms?
A: 30% TT deposit + 70% TT before shipment,50% TT deposit + 50% LC balance, Flexible payment can be negotiated.
2. Q: Do you have some videos where we can see the line producing??
A: Yes, we can provide some videos for reference.
3. Q: Are you a Manufacture Factory?
A: Yes. We are the direct manufacture factory, and our factory has specialized in insulator ,arrester , Power Fitting ,etc.
4. Q: How long is producing time ?
A: Normally it will take about 30 days for production.
5. Q: What is the standard of package ?
A: For small capacity, we use carton, but for big capacity, we will use strong wooden case for protection or double inner packs in a master carton.
6. Q: How do you make sure your good quality ?

A: We use the best raw material , and every single product will go through a series of strict test.


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We warmly welcome friends both domestic and abroad to visit our company, if you have any questions, please contact with us directly.

Looking for ideal Line Post Insulator Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Line Insulators Type are quality guaranteed. We are China Origin Factory of Line Post Insulators. If you have any question, please feel free to contact us.

Product Categories : Porcelain Insulator > Line Post Insulator

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