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Home > Products > Porcelain Insulator > Line Post Insulator > Porcelain Line Post Insulator 57-32
Porcelain Line Post Insulator 57-32
  • Porcelain Line Post Insulator 57-32

Porcelain Line Post Insulator 57-32

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

Basic Info

Model No.: 57-32

Application: High-voltage

Material: Porcelain

Structure: Post Insulator

Usage: High Voltage Power Transmission

Connection Method: Trough Type

Certification: SGS, ISO9001

Color: Brown

Place Of Origin: Fuzhou,China

HS Code: 85462090

Additional Info

Packaging: Carton, Wooden case, Sack

Transportation: Ocean,Land


Product Description

Porcelain Line Post Insulator 57-32

Post Insulator application in high voltage in transmission lines have good chemical and thermal stability, hardly deteriorates, and porcelain line insulator has good electrical and mechanical properties. Post insulator high voltage porcelain comply with ANSI.

Condition Of Use

1. Ambient Temperature: -40° C to +40° C
2. Altitude: Don't exceed 1000m; (1000m and above can be amend base on GB311.1-1997)
3. Frequency: Don't exceed 100Hz
4. Nominal voltage: above 1000V
5. Mechanical Load: Don't exceed the rated value of each line post insulator

Type 57-32
Post Insulator Creepage Distance,mm 559
Dry Arcing Distance,mm 241
Cantilever Strength,KN 12.5
Low Frequency Dry Flashover Voltage,KV 100
Low Frequency Wet Flashover Voltage/,KV 70
Critical Impulse Flashover Voltage, Pos,KV 160
Critical Impulse Flashover Voltage, Neg,KV 205
Test Voltage to Ground,KV 22
Maximum RIV at 1000KHZ,μv 100
Net Weight,kg 12.5
Applicable standard ANSI
Post Insulator Application

Our Services

1. Small Orders Accepted
2. Fast producing time, Prompt Delivery
3. International Approvals
4. Reply promptly in 24 hours
5. Best Price


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 Post Insulator Application Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Post Insulator Creepage Distance are quality guaranteed. We are China Origin Factory of Post Insulator High Voltage. If you have any question, please feel free to contact us.

Product Categories : Porcelain Insulator > Line Post Insulator

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