Model Number: ANSI 57-5
Brand Name: SASUN
Key Specifications/Special Features:
ANSI 57-5 porcelain line post insulator1. Original insulator producer2. Superiorpropertiesoflow and medium temperatureresistance;3. Strongagingresistance;4. Niceappearance& longservicetime.5. Command glaze and semi-conductor glaze, color brown and gray both available.6. Free sample, professionalporcelain insulator supplier.
ANSI Class |
57-1 |
57-2 |
57-3 |
57-4 |
57-5 |
Creepage Distance, mm |
356 |
559 |
737 |
1015 |
1145 |
Dry Arcing Distance, mm |
165 |
241 |
311 |
368 |
438 |
Cantilever Strength, kN |
12.5 |
12.5 |
12.5 |
12.5 |
12.5 |
Low Frequency Flashover Voltage |
Dry, Kv |
80 |
110 |
125 |
150 |
175 |
Wet, Kv |
60 |
85 |
100 |
125 |
150 |
Critical Impulse Flashover Voltage |
Pos., kV |
130 |
180 |
210 |
255 |
290 |
Neg., kV |
155 |
205 |
260 |
340 |
380 |
Radio Influence Voltage Data |
Test Voltage to Ground, kV |
15 |
22 |
30 |
44 |
44 |
Max. RIV at 1000 KHz, uV |
100 |
100 |
200 |
200 |
200 |
Net Weight, Each, Approx., kg |
5.2 |
9 |
11 |
16 |
23 |