Vacuum Tube main techincal parameter
Parameter name |
Unit |
Value |
Rated voltage |
kV |
12 |
Rated normal current |
A |
2000 |
Rated frequency |
Hz |
50 |
Rated short-circuit breaking current |
kA |
31.5,40 |
Rated short-circuit making current |
kA |
80,100 |
Rated peak withstand current |
KA |
80,100 |
Rated short-time withstand current |
kA |
31.540 |
Rated short-circuit continuous time |
S |
4 |
Rated single capacitor unit breaking current |
A |
630 |
Rated back to back capacitor unit breaking current |
A |
400 |
Rated short-time (1 min) frequency withstand voltage |
kV |
42 |
Rated contact pressure time-limit loop resistive |
μΩ |
≤25 |
Rated short-circuit breaking current breaking times |
30 | |
Rated lightning impulse withstand voltage |
V |
75 |
Mechanical life |
10000 | |
Contact automatic |
N |
120±50 |
Force required to hold contacts open at full stroke |
N |
200±50 |
Contact-wear allowance thickness |
mm |
3 |
Internal gas pressure |
Pa |
≤1.33×10-3 |
Shelf life |
20 |
Vacuum Tube main techincal parameter
Parameter name |
Unit |
Value |
Rated voltage |
kV |
12 |
Rated normal current |
A |
2000 |
Rated frequency |
Hz |
50 |
Rated short-circuit breaking current |
kA |
31.5,40 |
Rated short-circuit making current |
kA |
80,100 |
Rated peak withstand current |
KA |
80,100 |
Rated short-time withstand current |
kA |
31.540 |
Rated short-circuit continuous time |
S |
4 |
Rated single capacitor unit breaking current |
A |
630 |
Rated back to back capacitor unit breaking current |
A |
400 |
Rated short-time (1 min) frequency withstand voltage |
kV |
42 |
Rated contact pressure time-limit loop resistive |
μΩ |
≤25 |
Rated short-circuit breaking current breaking times |
30 | |
Rated lightning impulse withstand voltage |
V |
75 |
Mechanical life |
10000 | |
Contact automatic |
N |
120±50 |
Force required to hold contacts open at full stroke |
N |
200±50 |
Contact-wear allowance thickness |
mm |
3 |
Internal gas pressure |
Pa |
≤1.33×10-3 |
Shelf life |
20 |