 |
| Technical Specifications |
| Insulator type |
IEC |
U300B |
| GOST |
PS300B |
| Minimum mechanical failing load |
kN |
300 |
| Minimum mechanical residual strength |
kN |
240 |
| Diameter of the insulating part, D |
mm |
320 |
| Spacing, H |
mm |
195 |
| Nominal creepage distance |
mm |
390 |
| Ball and socket coupling, d (IEC 60120) |
mm |
24 |
| Puncture voltage in insulating medium |
kV |
130 |
| 50 Hz withstand voltage (dry) |
kV |
82 |
| 50 Hz withstand voltage (wet) |
kV |
50 |
| Dry lightning impulse withstand voltage 1.2/50 (+/-) |
kV |
130/130 |
| Impulse puncture test voltage in air |
kV |
365...410 |
| Radio interference voltage at 0.5 MHz |
dB |
60 |
| kV |
20 |
| dB |
86 |
| kV |
40 |
| Weight |
kg |
10.0 |
|
| All technical requirements and testing are in accordance with IEC standards. |
Product 
Nomenclature