| Parameter name |
Unit |
Value |
| Rated voltage |
kV |
12 |
| Rated normal current |
A |
630 |
| Rated frequency |
Hz |
50 |
| Rated active load breaking current |
A |
630 |
| Rated loop-locked breaking current |
A |
630 |
| Rated short-time withstand current |
kA |
20 |
| Rated short-circuit continuous time |
S |
3 |
| Rated peak withstand current |
kA |
20 |
| Rated short-time (1 min) frequency withstand voltage |
kV |
42 |
| Rated electric cable be charged breaking current |
A |
10 |
| Rated short-circuit making current |
kA |
50 |
| Rated lightning impulse withstand voltage |
kV |
75 |
| Rated contact pressure time-limit loop resistive |
µn |
≤40 |
| Mechanical life |
|
10000 |
| Contact automatic |
N |
40±20 |
| Force required to hold contacts open at full stroke |
N |
70±20 |
| Contact-wear allowance thickness |
Mm |
3 |
| Internal gas pressure |
Pa |
≤1.33×10-3 |
| Shelf life |
|
20 |
