ZW32-12GG Dual Power Outdoor Vacuum Circuit Breaker
Item:ZW32-12GG Dual Power Outdoor Vacuum Circuit Breaker①Strong arc extinguishing ability②Long electrical life③Small size and light weight④Anti-condensation, maintenance-free⑤Protection...
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pugao
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ZW32-12GG
ZW32-12GG dual power outdoor vacuum circuit breaker （ZW32-12GGF, ZW32-12GG）is mainly used in coal mines, petroleum, steel mills and other places with high power supply reliability, as well as 10kV power distribution systems in rural power grids and urban power grids. It can automatically switch to ensure real-time power supply of important loads. It has the characteristics of small footprint, small investment, and convenient debugging and maintenance. It is an ideal switching device for power supply automation.
Model Description
Z: Vacuum circuit breaker
W:Outdoor
32:Design Number
12:Rated voltage:12kV
GG：Dual power
▢: F:intelligeht type/blank(mannual type)/G:disconnector type
▢: Rated current:630A
▢: Rated short-circuit breaking current :12.5kA、16kA、20kA
Working Environment：
●Ambient air temperature: -25℃～40℃;
●Altitude: no more than 2000m;
●The surrounding air can be polluted by dust, smoke, corrosive gas, steam or salt spray;
●The wind speed does not exceed 34m/s;
●Vibration or ground motion from outside of switchgear and control equipment can be ignored;
● Pollution level: Ⅳ.
Main Technical Parameters
|
Number |
Parameter |
Unit |
Value |
||||
|
1 |
Rated voltage |
kV |
12 |
||||
|
2 |
Rated current |
A |
630 |
||||
|
3 |
Rated frequency |
Hz |
50 |
||||
|
4 |
Rated insulation level |
Power frequency withstand voltage (1min) |
kV |
42 |
|||
|
Impulse lightning withstand voltage (peak value) |
75 |
||||||
|
5 |
Rated short-circuit breaking current |
Rated short-circuit breaking current |
kA |
12.5 |
16 |
20 |
|
|
6 |
Rated short-circuit making current (peak value) |
Rated short-circuit making current (peak value) |
31.5 |
40 |
50 |
||
|
7 |
Rated peak withstand current |
Rated peak withstand current |
31.5 |
40 |
50 |
||
|
8 |
Rated short-time withstand current |
Rated short-time withstand current |
12.5 |
16 |
20 |
||
|
9 |
Rated short circuit duration |
Rated short circuit duration |
s |
4 |
|||
|
10 |
Rated short-circuit breaking current breaking times |
Rated short-circuit breaking current breaking times |
|
30 |
|||
|
11 |
Nominal Operation Sequence |
Nominal Operation Sequence |
|
O-0.3s-CO-180s-CO |
|||
|
12 |
Mechanical life |
Mechanical life |
times |
10000 |
|||
|
13 |
Rated operating voltage and auxiliary circuit rated voltage |
Rated operating voltage and auxiliary circuit rated voltage |
V |
AC220V,DC220V,DC24V |
|||
Structure And Mounting Dimensions
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