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Home > Products > Porcelain Insulator > Pin Insulator > ST-20-J Porcelain Pin Insulator
ST-20-J Porcelain Pin Insulator
  • ST-20-J Porcelain Pin Insulator

ST-20-J Porcelain Pin Insulator

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

Basic Info

Model No.: DIN ST-20-J

Material: Porcelain

Certification: SGS, ISO9001

Type: Pin Type Insulator

Color: Brown , Light Grey

Place Of Origin: Fuzhou,China

Application: High Voltage


Surface: Galzed

Additional Info

Packaging: Carton, Wooden case, Sack

Transportation: Ocean,Land


Product Description


1. Porcelain Insulator have higher tTracking and ARC resistance

2. ST-20-J porcelain Pin Insulator have higher mechanical strength

3.DIN series are satisfactory leakage current

4.Pin Type Insulator DIN series have very long life, made of inorganic materials and do not age.

5. insulation have possess high arc resistibility

  1. Type :ST-20/J
  2. Dimmensions,mm H: 185
  3. Dimmensions,mm h: 65
  4. Dimmensions,mm D: 175
  5. Dimmensions,mm d :35
  6. Dimmensions,mm R1: 10
  7. Dimmensions,mm R2: 12.5
  8. Norminal voltage: 20
  9. Creepage Distance,mm :340
  10. Power-Frequence puncture voltage(kv) :140
  11. Electronical Failing Load(KN): 14.7
  12. Flashover(min) Power Frequency Voltage Dry(KV) :90
  13. Flashover(min) Power Frequency Voltage Wet(KV): 65
  14. Flashover(min) 50%Critical Impulse: 130
  15. Net Weight, Each Approx., kg: 3.4

st-20J pin insulators

st-20j pin 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


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.


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 3 Types of Insulation Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Pin Insulator Manufacturer are quality guaranteed. We are China Origin Factory of Porcelain Insulators Manufacturer. If you have any question, please feel free to contact us.

Product Categories : Porcelain Insulator > Pin Insulator

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