The outdoor pole-mounted high-voltage AC vacuum circuit breaker is a voltage 12kV, three-phase AC 50Hz outdoor high-voltage switchgear, mainly used for opening and closing load currents, overload currents, and short-circuit currents in power systems. It is suitable for protection and control in substations and industrial and mining enterprise distribution systems, more suitable for places requiring frequent operations, particularly for urban and rural grid transformation needs; it can also serve as a sectional switch in the grid to achieve distribution network automation.
1/1
Pole-mounted Circuit Breaker
Negotiable
China
National (Xuchang) Power Electronics System Industrial Park, Yangguang Avenue, Weidu District, Xuchang City, Henan Province
0374-3216642
xjdecangie@163.com
Product Introduction
Product Parameters
|
No. |
Indicator Item |
Unit |
Parameters |
|
|
1 |
Rated voltage |
kV |
12 |
|
|
2 |
Rated frequency |
Hz |
50 |
|
|
3 |
Rated current |
A |
630 |
|
|
4 |
Rated short-circuit breaking current |
kA |
20 |
|
|
5 |
Rated power frequency 1min withstand voltage |
Relative ground/interphase |
kV |
42 |
|
6 |
Interfracture |
kV |
48 |
|
|
7 |
Rated lightning impulse withstand voltage (1.2/50s) peak |
Relative ground/interphase |
kV |
75 |
|
8 |
Interfracture |
kV |
85 |
|
|
9 |
Rated short-time withstand current |
kA/s |
20 April |
|
|
10 |
Rated peak withstand current |
kV |
50 |
|
|
11 |
Rated short-circuit closing current |
kV |
50 |
|
|
12 |
Mechanical stability |
Times |
≥ 10000 |
|
|
13 |
Minimum creepage distance of external insulation |
mm |
372 |
|
|
14 |
Rated short-circuit breaking current breaking times |
Times |
≥ 30 times |
|
|
15 |
Mechanical life |
Times |
10000 |
|
|
16 |
Rated operating voltage |
V |
DC24 |
|
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