• Classification Series :Outdoor Vacuum Circuit Breaker
• Product Name :ZW10-12 Outdoor vacuum circuit breaker
• Product Overview:
ZW10-12,ZW12-12,ZW27-12 model outdoor AC vacuum circuit breaker is a three phase outdoor high voltage AC switch device.It mainlyused to make and break load current,overload current and short-circuit current in12kV,630A,50/60Hz...
Product Structure
ZW10-12,ZW12-12,ZW27-12 model outdoor AC vacuum circuit breaker is a three phase outdoor high voltage AC switch device.It mainlyused to make and break load current,overload current and short-circuit current in12kV,630A,50/60Hz power system.It is applicable for subst-ations,industry and mining,urban and rural electricity power networks,especially for occasions with frequent operation and automatic powerdistribution network.The product is especially applicable yo overhead network,opening and closing of load current,overload current and shortcircuit current and switching and protection of power grids.It accords with the standards of IEC62271-100 &GB1984:AC high voltage circuitbreaker,IEC60694 &GB/1984:HV General technical requirement of switch and control apparatus.
Model description

Ambient condition
1.Altitude:<2000mm;
2.Ambient temperature:-40 ℃~+45℃
3.Wind speed:34m/s;
4.Relative humidity:monthly average 90%,daily average 95%;
5.Earthquake intensity:<8 degree;
6.Ambient pollution:IV;
7.Ice thickNess:10mm;
8.Applicable occasions should be free from inflammables,explosives,corrosives and severe vibrations.
Technical Parameters
| 序号 No | 名称 Name | 单位 Unit | 数值 Data |
| 1 | 额定电压Rated voltage | kV | 12 |
| 2 | 额定电流Rated current | A | 630 |
| 3 | 1min工频耐受电压1min P.F withstand voltage | kV | 42/48 |
| 4 | 雷电冲击电压(峰值)Lightning impulse withstand voltage peak | kV | 75/85 |
| 5 | 额定短路开断电流Rated short-circuit breaking current | kA | 16/20/25 |
| 6 | 额定短路关合电流(峰值)Rated short-circuit making current (peak) | kA | 40/50/63 |
| 7 | 额定短时耐受电流Rated short-time withstand current | kA | 16/20/25 |
| 8 | 额定峰值耐受电流Rated withstand current (peak) | kA | 40/50/63 |
| 9 | 额定短路电流开断次数Rated short-circuit breaking time | 次 | 30 |
| 10 | 机械寿命Mechanical life | 次 | 10000 |
Outine dimension and installation drawing

1.Case
2.Nameplate
3.Operation mechanism
4.Wiring terminal
5.Insulated conducing rod
6.Current transformer
7.ON and OFF indicator
8.Energy indicator
9.Insulating sheath
10.Wiring terminal
11.Back cover
12.Manual energy storing plate
13.Nameplate of operation mechanism
14.Manual closing ring
15.Manual closing ring
16.Earthing bolt
Heweitongmao (Shaanxi) Import & Export Trade Co., Ltd.