Customization: | Available |
---|---|
Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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No |
Item |
Unit |
Data |
|
1 |
Rated voltage |
kV |
12/20/33 |
|
2 |
Rated current |
Hz |
50/60 |
|
3 |
Rated insulation level (with SF6 gas 0.07Mpa) |
lightning impulse voltage |
kV |
75/125/170 |
Power frequency impulse voltage |
kV |
42/50/70 |
||
5 |
Rated current |
A |
630 |
|
6 |
Rated open circuit load current(0.07Mpa//20ºC/h) | A |
630 |
|
7 |
Open circuit current under 0 pressure |
A |
630 |
|
8 |
Rate peak value withstand current |
kA |
50 |
|
9 |
Rated short-time closing current |
kA |
50 |
|
10 |
Rated short-time withstand current |
kA/s |
20/1 |
|
11 |
Rated electric cable charge open circuit current |
A |
25 |
|
12 |
Rated wire charge open circuit current |
A |
16 |
|
13 |
Rated closed loop open circuit current |
A |
630 |
|
14 |
Excitation current |
A |
21 |
|
15 |
Rated current open circuit times |
≥400 times |
||
16 |
Rated working pressure |
MPa |
0.07 |
|
17 |
Each operating voltage and resistance |
μΩ |
≤150 |
|
18 |
Gas relative leakage rate |
year |
≤1% |
|
19 |
SF6 gas moisture content |
Leave factory relative figure |
ppm |
≤150 |
Switch working figure |
ppm |
≤300 |
||
20 |
Machine stable operation |
times |
6000 |
|
21 |
Rated operating voltage and assistant loop rated voltage |
V |
DC220;110 |
|
AC 220;110 |
||||
22 |
Weight |
M type |
kg |
115 |
A type |
135 |