Insulators
ST-20/J(R) Porcelain Pin Insulator
Product Overview
20 kV ST-20/J(R) porcelain pin insulator with 175 mm shell diameter.
Share the model, quantity, drawing, destination and project requirement for a focused response.
Technical Parameters
| Parameter | Unit | Source drawing |
|---|---|---|
| Model | ST-20/J(R) | |
| Rated voltage | kV | 20 |
| Height H | mm | 185 |
| Diameter D | mm | 175 |
| Creepage distance | mm | 400 |
| Puncture voltage | kV | 180 |
| Failing load | kN | 13 |
| Wet power-frequency withstand | kV | 65 |
| Dry power-frequency withstand | kV | 85 |
| Impulse withstand | kV | 135 |
Source Data Note
The source listing table labels ST-20/J with 340 mm creepage; its ST-20/J(R) drawing specifies 400 mm. Values above follow the pictured ST-20/J(R) drawing.
Inquiry Now
Send the model, drawing, BOM or project specification. Our team will respond around the actual selection points.
Open Full Enquiry PageRelated Products
24PC(600) Porcelain Line Post Insulator | White Photo
SHF-10G Porcelain Pin Insulator
ANSI 52-1 Electrical Ceramic Suspension Disc Insulator 44kN Porcelain 11kv Insulator
ANSI 53-2 Porcelain Spool Insulator | 79 × 76 mm
ANSI 57-3 C29.6 Electrical Ceramic Line Post Insulators Porcelain 33kv-45kv Insulator
ANSI 57-3 Porcelain Line Post Insulator | 737 mm Creepage
ANSI 55-3 C29.5 Porcelain Pin Type Insulator Ceramic Electrical Insulator for 11kv Power Lines
