Indoor Circuit Breakers
China AC High Voltage Handcart Type Indoor Vacuum 3 Phase Circuit Breaker
Model implication
Overall dimension
Product Parameter (Specification)
|
Item |
Units |
Parameters |
|
Rated voltage |
KV |
40.5 |
|
Thunder impulse withstand voltage(peak value) |
KV |
185 |
|
Imin industrial frequency withstand voltage |
KV |
95 |
|
Rated frequency |
Hz |
50 |
|
Rated current |
A |
1250,1600, 2000 |
|
Rated short- circuit break current |
KA |
25,31.5 |
|
Rated short -circuit withstand current |
KA |
25,31.5 |
|
Rated peak value withstand current |
KA |
63,80 |
|
Rated short- circuit duration time |
S |
4 |
|
Rated short circuit breaking time |
ms |
≈90 |
|
Rated short circuit closing current |
KA |
63.80 |
|
Rated operation order |
|
O-0.3s-CO-180s-CO |
|
Time of closing brake |
ms |
50~ 85 |
|
Time of breaking brake |
ms |
40~ 85 |
|
Rated short-circuit current break and close times |
Times |
20 |
|
Mechanical life-span |
Times |
10000 |
|
Rated dropout current of condenser bank |
A |
630 |
|
Rated power of energy- storage electric machine |
W |
275 |
|
Rated volt of energy-storage motor |
V |
AC/DC220.110 |
|
Storage time |
S |
<15 |
|
Closing and opening solenoid rated voltage |
V |
AC/DC220.110 |
|
Over current tripping device rated current |
A |
5 |
|
Auxiliary switch rated voltage current |
A |
10 |
product description
|
Standard |
GB1984-89<AC HIGH VOLTAGE CTRCUTT BREAKER> Standards.
|
|
Operating conditions |
1. Ambient temperature: - 30℃-+40℃ 2.Earthquake intensity:≤8 degree 3.Altitude: ≤1000m 4.Relative humidity: daily average value is not greater than 95%, monthly average is not geater than 90%; 5. The surrounding air is not corrosive and flammable gas, steam and other signficant pollution |