SF6 outdoor circuit breaker,AC high-voltage SF6 circuit breaker ,SF6 circuit breaker outside LW16-40.5 2000-31.5 40.5KV
product detail
Note: When the circuit breaker is in hot standby state, the lightning arrester must be installed on the side of the break city.
Operating condition
Temperature :-10℃~ + 40℃
Relative humidity: the daily average relative humidity is not more than 95%; The average monthly relative humidity does not exceed 90%
Earthquake intensity: not more than 8.
Saturated vapor pressure: the daily average pressure does not exceed 2.2kPa, the monthly average pressure does not exceed 1.8Kpa
Altitude :≤1000m(except for special circumstances)
The device should be installed in a place without fire, explosion, serious dirt, chemical erosion, and violent vibration.
Technical parameter
|
Item |
Unit |
Data |
|
Rated voltage |
KV |
40.5 |
|
Rated power frequency |
Hz |
50/60 |
|
Rated current |
A |
2000/1250/630 |
|
Rated power frequency withstand voltage (1min) KV |
Isolating |
95 |
|
To ground |
75 |
|
|
Rated lightning impulse withstand voltage (1min) KV |
Isolating |
185 |
|
To ground |
145 |
|
|
Rated short-circuit breaking current |
KA |
31.5/25 |
|
Rated withstand current(peak) |
KA |
80/63 |
|
Rated short-time withstand current(3s) |
KA |
31.5/25 |
|
Rated short-circuit making current(peak) |
KA |
80/63 |
|
Phase to phase spacing |
mm |
745 |
|
Moving contactor travel |
mm |
150 |
|
Moving contactor overtravel |
mm |
25 |
|
Opening time |
ms |
60 |
|
Closing time |
ms |
150 |
|
Trip time |
ms |
40 |
|
Rated out-of-phase breaking current |
KA |
6.3 |
|
Grounding fault breaking capability |
KA |
27.4 |
|
Rated operation sequence |
|
O-0.3s-CO-180s-CO |
|
Main circuit resistance |
μΩ |
≤50 |
|
Rated SF6 gas pressure(20℃) |
Mpa |
0.45 |
|
Rated minimum SF6 gas pressure(20℃) |
Mpa |
0.4 |
|
SF6 gas leakage rate(yearly) |
Mpa |
≤0.5% |
|
Gas moisture content |
ppm |
≤150 |
|
Mechanism life |
times |
10000 |
|
Radio interference |
μV |
＜500 |
|
Creepage distance |
mm |
1255 |
|
Heating and lighting voltage |
V |
220ACV |
|
Control system voltage |
V |
220DCV/ACV |
|
Mass of filled SF6 gas |
Kg |
6 |
|
Mass of equipment |
Kg |
1000 |
|
Dimension W*D*H |
mm |
1920*700*4090 |