Original
By certification 
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.
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.
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 |
|||
Q1:Does this ZW32-12GG dual power outdoor vacuum circuit breaker has two isolating knife switches?
A1:Yes,this model has two isolating knife switches.
Q2:Can I order a ZW32-12 Outdoor Vacuum Circuit Breaker（ZW32-12F、ZW32-12、ZW32-12G ） sample?
A2:Yes, we accept any sample orders
Q3: Could I purchase ZW32-12 Outdoor Vacuum Circuit Breaker with PT?
A3:Yes,you can add PT according to your needs.The price will be higher.
http://www.luban-electric.com/
