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Home > Products > Porcelain Insulator > Line Post Insulator > Porcelain Line Post Insulator 57-23
Porcelain Line Post Insulator 57-23
  • Porcelain Line Post Insulator 57-23

Porcelain Line Post Insulator 57-23

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

Basic Info

Model No.: 57-23

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: China

HS Code: 85462090

Additional Info

Packaging: Carton, Wooden case, Sack

Transportation: Ocean,Land


Product Description

Porcelain Line Post Insulator 57-23

1. Ceramic Line Post Insulator have superior properties of low and medium temperature resistance.
2. Porcelain Power Line Insulators have strong aging resistance.
3. Line Post Insulator porcelain is nice appearance & long service time.
4. Comman glaze and semi-conductor glaze, color brown and gray both available.

Post Insulator Image

line post insulator

ANSI Class 57-23
Creepage Distance, mm 737
Dry Arcing Distance, mm 311
Cantilever Strength, kn 12.5
Low Frequency Flashover Voltage Dry, kv 125
Wet, kv 115
Critical Impulse Flashover Voltage
Pos., kv 210
Neg., kv 260
Test Voltage to Ground, kv 30
Maximum RIV at 1000KHZ, μv 200
Net Weight, Each Approx., kg 12.7

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, Cold And Heat Shrinkable Tube,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.

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Product Categories : Porcelain Insulator > Line Post Insulator

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