Name of parameter
|
Unit
|
Value | ||
---|---|---|---|---|
Rated voltage
|
kV | 7,2 | 12 | 17,5 |
Industrial frequency voltage of 50 Hz, 1 min withstand | kV | 20 (32)* | 28 (42)* | 38 |
Pulse value 1,2/50 µs | kV | 95 | ||
Rated short-term withstand current** | kA/s | 25/3 31,5/3 |
||
Rated peak withstand current | kA | 63/82 | ||
Busbars rated current | A | 1250 | ||
Rated current of main circuits** | A | 630 800 1250 |
||
Internal arc resistance (optional) IAC-AFLR | kA/0,5 s |
25/0,5 |
* - parameter values according to GOST 1516.3-96;
** - parameter values depending on the applied type of high-voltage vacuum circuit breaker.