HLVP(VS1)-12 Model indoor high voltage vacuum circuit breaker applies to power system of rated voltage 12kv as a protective and control unit for power grid equipment and industrial power equipment It can equip with KYN28(GZS1), XGN, GG-1A and other types of switchgear panels. Related products: isolated handcart, fuse handcart and voltage transformer handcart.
Ambient temperature:-10℃-+40℃
Relative humidity:The average humidity of a day should be no
more than 95%. The average humidity of a month should be no more than 90%.
Earthquake intensity: not exceed 8 degrees.
Saturated vapor pressure the average pressure of a day should
be no more than 2.2kPa; the average pressure of a month should be no more
Than1.8Kpa;
The height above sea level:≤1000 m (Except special
requirements)
It should be installed in the places without fire, explosion,
serious filth, and chemical erosion and violent vibration.
NO. |
ITEM |
Unit |
Parameter |
||
1 |
Rated Voltage |
KV |
12 |
||
2 |
Rated Lighting Impulse Voltage tolerance |
KV |
75 |
||
3 |
1 min Frequency Voltage |
KV |
42 |
||
4 |
Frequency tolerance of the secondary circuit voltage (1 min) |
V |
2000 |
||
5 |
Rated short-circuit breaking current breaking number |
Times |
50 |
||
6 |
1min power frequency |
KA |
42/48 |
||
7 |
Lightning impulse withstand voltage (peak) |
75/85 |
|||
8 |
Rated short-circuit breaking current |
KA |
20/25 |
31.5 |
40 |
9 |
Rated crurrent |
A |
630 1250 |
630/1250 |
1250/1600 |
1600/2000 |
2000/2500 |
||||
2500/3150 |
3150/4000 |
||||
10 |
Rated thermal stability of current(RMS) |
kA |
20/25 |
31.5 |
40 |
11 |
Dynamic Stability rated current(peak) |
kA |
63 |
80 |
100 |
12 |
Rated short-circuit closing current(peak) |
kA |
63 |
80 |
100 |
13 |
rated operating sequence |
|
O-0.3s-CO-180s-CO O-180s-CO-180s-CO |
||
14 |
Rated a single/back-to-back electric current breaking device group |
A |
630/400 800/400(40KA) |
||
15 |
Mechanical life |
Times |
10000 |