ST-20J Pin Insulator
- ST-20J pin insulators are primarily used in overhead distribution lines with voltages of 20kV and below.
- Their core function is to support and secure conductors, isolating the live wires from the grounded pole structure.
- They are installed vertically by screwing the base onto a metal or wooden "pin-type" base (pin) fixed to a wooden or concrete pole.
- Brand: QOCI
- Catalog ID: ST-20/J(R)
- Type: Pin Insulator
- Material: Porcelain
- Place of Origin: Jiangxi
Dimensional data
|
Spacing (S) |
185 mm |
|
Max.shed Diameter (D) |
175 mm |
|
Creepage distance (C/D) |
400 mm |
Mechanical values
|
Electronical Failing Load: |
13 kN |
Electrical Values
|
Power-frequency dry withstand voltage: |
85 kV |
|
Power-frequency wet withstand voltage: |
65 kV |
|
Power-frequency puncture voltage: |
180 kV |
|
Rated voltage: |
20 kV |
|
Lightning impulse withstand voltage: |
135 kV |
Packing information
|
Approx. net weight per unit |
3.86kg |
|
Carton Quantity |
6 |
|
Pallet Quantity |
180 |
Industry Standard(s)
Manufactured according to IEC-60383-1
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