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Home > Products > Porcelain Insulator > Line Post Insulator > Porcelain Post Insulator 57-3
Porcelain Post Insulator 57-3
  • Porcelain Post Insulator 57-3

Porcelain Post Insulator 57-3

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

Basic Info

Model No.: 57-3

Application: Insulators, Hight Voltage

Material: Porcelain

Certification: SGS, ISO9001

Type: Insulator

Color: Brown , Light Grey

Place Of Origin: Fuzhou,China

Surface: Glazed

OEM: YES

Additional Info

Packaging: Carton, Wooden case, Sack

Transportation: Ocean,Land

Port: FUZHOU

Product Description

Ceramic power line insulators are a type of steel insulator, Porcelain Power Line Insulators are used for supporting wires and resisting electric current, which is consisting of one or more insulating members permanently glued to a metal base, sometimes with a cap,and ceramic insulators on power lines can be double mounted on a metal base. The head bolt or one or several bolts are steel mounted on the support structure.

MAIN DIMENSIONS AND STANDARD PARTICULARS
ANSI Class 57-3
Dimensions of the pin/mm M20
Creepage Distance/mm 737
Dry Arcing Distance/mm 311
Cantilever Strength/kn 12.5
Low Frequency Dry Flashover Voltage/kv 125
Low Frequency Wet Flashover Voltage/kv 100
Critical Impulse Flashover Voltage, Pos/kv 210
Critical Impulse Flashover Voltage, Neg/kv 260
Test Voltage to Ground/kv 30
Maximum RIV at 1000KHZ/μv 200
Net Weight/kg 11.0
57-3line post insulator

57-3 line post porcelain insulator


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 Porcelain Insulator,Composite Insulator,Glass Insulator,arrester, Cut Out Fuse and 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.

porcelain insulator

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 Ceramic Power Line Insulators Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Porcelain Power Line Insulators are quality guaranteed. We are China Origin Factory of Ceramic Insulators on Power Lines. If you have any question, please feel free to contact us.

Product Categories : Porcelain Insulator > Line Post Insulator

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