product detail
VS1-12 indoor side mounted circuit breaker 12kv(embedded pole)
Side mounted VS1 circuit breaker is a high voltage vacuum circuit breaker, with high performance vacuum interrupter and strong breaking capacity, suitable for a variety of complex environments and frequent operation sites. The circuit breaker adopts advanced technology design to ensure stable operation under various working conditions, and has the advantages of high reliability, intelligent function, energy saving and environmental protection .
Main features of side-mounted VS1 circuit breakers include:
High performance vacuum arc extinguishing chamber: the use of high quality materials and advanced technology to ensure reliable breaking and closing under various working conditions, improve the electrical life.
Flexible operation: support manual and electric operation, convenient for users to choose the right operation according to the actual situation .
Compact construction: The side mount design makes the circuit breaker more compact, easy to install and arrange in a limited space .
Operating conditions
Temperature：-10℃～+40℃
Relative humidity：Daily mean relative humidity not more than 95%; monthly mean relative humidity not more than 90%
Seismic intensity：Not more than Level 8.
Saturated vapor pressure: daily mean pressure not more than 2.2kPa；monthly mean pressure not more than 1.8Kpa
Altitude：≤1000 m（Otherwise in special cases）
Technical parameter:
|
NO |
Item |
Units |
Technical parameters |
||||
|
1 |
Rated voltage |
kV |
10 |
||||
|
2 |
Maximum working voltage |
kV |
12 |
||||
|
3 |
Rated current |
A |
630/1250 |
630/1250 |
630/1250 |
||
|
4 |
Rated short-circuit breaking current |
kA |
20 |
25 |
31.5 |
||
|
5 |
Rated short circuit closing current |
kA |
50 |
63 |
80 |
||
|
6 |
Rated peak withstand current |
kA |
50 |
63 |
80 |
||
|
7 |
4S rated short circuit withstand current |
kA |
20 |
25 |
31.5 |
||
|
8
|
Rated insulation level |
Power frequency withstand voltage |
kV |
42(Fracture:48) |
|||
|
Impact withstand voltage |
75(Fracture:84) |
||||||
|
9 |
Rated operation sequence |
|
0-0.3s-Co-180s-Co |
||||
|
10 |
Mechanical life |
times |
10000 |
||||
|
11 |
Rated short circuit current breaking times |
times |
50 |
||||
|
12 |
Operating mechanism rated closing voltage |
V |
AC/DC 110,220 |
||||
|
13 |
Moving contactor travel |
mm |
11±1 |
||||
|
15 |
Moving contactor over-travel |
mm |
3.5±0.5 |
||||
|
16 |
Average opening speed |
m/s |
1.2±0.2 |
||||
|
17 |
Average closing speed |
m/s |
0.6±0.2 |
||||
|
18 |
Closing time |
S |
0.1 |
||||
|
19 |
Main loop resistance of each phase |
μΩ |
60 |
50 |
|||