| Application: | High Voltage |
|---|---|
| Material: | Porcelain |
| Type: | Insulator |
| Model Number: | Junai |
| Brand Name: | Junai |
| Place of Origin: | China (Mainland) |
Quick Details
Specifications
IEC Station Post Insulator
1. Professional porcelain line post insulator producer and supplier
2. Elegant galzed appearance and free sample
3. Customized color is acceptable, grey, brown, white
4. Aging & temperature resistance
|
ANSI CLASS |
With long stud |
57-1L |
57-2L |
57-3L |
57-4L |
57-5L |
|
With short stud |
57-1S |
57-2S |
57-3S |
57-4S |
57-5S |
|
|
Fig. No. |
1 |
2 |
3 |
4 |
5 |
|
|
Creepage Distance (mm) |
356 |
559 |
737 |
1016 |
1143 |
|
|
Dry Arcing Distance (mm) |
165 |
241 |
311 |
368 |
430 |
|
|
Cantilever Strength(kN) |
12.5 |
12.5 |
12.5 |
12.5 |
12.5 |
|
|
Power Frequency Flashover Voltage |
Dry /kV |
70 |
100 |
125 |
140 |
160 |
|
Wet/kV |
50 |
70 |
95 |
110 |
130 |
|
|
Critical Impulse Flashover Voltage |
Positive/kV |
120 |
160 |
200 |
230 |
265 |
|
Negative/kV |
155 |
205 |
260 |
340 |
380 |
|
|
Radio Influence voltage |
Test Voltage to ground/kV |
15 |
22 |
30 |
44 |
44 |
|
Maximum RIV at 1MHz/uV |
100 |
100 |
200 |
200 |
200 |
|