SF6 circuit breaker ,AC high-voltage SF6 circuit breaker,SF6 circuit breaker outside LW34-12 T630-20 outdoor load break switch 12KV
product detail
Operating condition
Altitude:Below 1000m;
Ambient Temperature:-1~30°C;
Humidity:0-100%(Relative humidity);
Maximum Daily Temperature Difference:≤25°C;
Wind Pressure:≤700Pa ( Equivalent to a wind speed of 34m/s ) ;
Seismic Resistance: According to 8 degrees fortification, horizontal ground acceleration 0.25g,vertical acceleration 0.125g,withstand three times of positive sine waves/horizontal and vertical acceleration simultaneously,considering the influence of the lead-out line end tube connecting the conductor and vibration;
Pollution Level:Class III, Class IV;
Ice Thickness: 1mm;
Snow Load : 10mm.
Technical parameter
|
Item |
Unit |
Data |
|
Rated voltage |
KV |
12 |
|
Rated power frequency |
Hz |
50/60 |
|
Rated current |
A |
630 |
|
Rated power frequency withstand voltage (1min) KV |
Isolating |
45 |
|
To ground |
35 |
|
|
Rated lightning impulse withstand voltage (1min) KV |
Isolating |
85 |
|
To ground |
75 |
|
|
Rated short-time withstand current(3s) |
KA |
12.5 |
|
Rated short-circuit making current(peak) |
KA |
31.5 |
|
Phase to phase spacing |
mm |
225 |
|
Opening time |
sec |
＜2 |
|
Closing time |
sec |
＜2 |
|
Rated line-charging breaking current |
A |
25 |
|
Rated SF6 gas pressure(20℃) |
Mpa |
0.07 |
|
SF6 gas leakage rate(yearly) |
Mpa |
≤1% |
|
Gas moisture content |
ppm |
≤150 |
|
Mechanism life |
times |
5000 |
|
Creepage distance |
mm |
372 |
|
Control system voltage |
V |
220DCV/ACV |
|
Mass of filled SF6 gas |
Kg |
0.5 |
|
Mass of equipment |
Kg |
135 |
|
Dimension W*D*H |
mm |
1025*1080*600 |