1. ZW32-12KV 11KV 24kv 33kv outdoor high voltage pole mounted vacuum circuit breaker
ZW32-12 vacuum circuit breaker is three-phase AC,50(60) Hz outdoor power distributio equipmentwith the rated voltage of 12kV.It is mainly used to break and close the load current,and short circuit current in the electric power system.It fits to be used to protect and control the circuit in substation,mining and industrial enterprises.
It can be used in the frequently operation places such as the rural power network. The product is accordance with GB1984-2003 standard.
2. Circuit Breaker's Main Technical Data
| Circuit Breaker's Main Technical Data |
| | | Unit | Data |
| NO | Item | | 12kv | 24kv |
| 1 | Rated voltage | kV | 12 | 24 |
| 2 | Rated frequency | Hz | 50 | 50 |
| 3 | Rated current | A | 630/1250 | 630/1250 |
| 4 | Rated short circuit breaking current | | kA | 20/25 | 20/25 |
| 5 | Rated peak withstand current | | kA | 50/63 | 50/63 |
| 6 | Rated short time withstand current/ lasting time | kA/s | 20/4 ,25/4 | 20/4 ,25/4 |
| 7 | Rated short circuit closing current(peak) | | kA | 50/63 | 50/63 |
| 8 | Rated operating sequence | | O-0.3s-CO-180s-CO |
| 9 | Mechanical life | | 10000 | 10000 |
| 10 | Rated short circuit breaking current breaking times | | 50 | 20 |
| 11 | 1min power frequency withstand current | (wet) | kV | 34/36 | 50/64 |
| (dry) | kV | 42/49 | 65/79 |
| 12 | Lightning impulse withstand voltage(peak) | kV | 75/85 | 125/145 |
| 13 | Secondary circuit power frequency withstand voltage (1min) | V | 2000 | 2000 |
| 14 | Clearance between contacts | mm | 9±1 | 12±1 |
| 15 | Contact's overtravel | mm | 2.5±0.5 | 3.5±1 |
| 16 | Open speed | m/s | 1.4±0.2 | 1.4±0.2 |
| 17 | Closing speed | m/s | 0.7±0.2 | 0.7±0.2 |
| 18 | Contact closing jumping time | | ms | ≤2 | ≤2 |
| 19 | Pole center distance | mm | 340±1.5 | 380±1.5 |
| 20 | Three pole open/close non-simultaneity | | ms | ≤2 | ≤2 |
| 21 | Each pole conducting circuit resistance | | μΩ | ≤70 | ≤70 |
| 22 | Closing time | ms | 25-60 | 25-60 |
| 23 | Open time | ms | 20-60 | 20-60 |
| 24 | Motor's rated power | | w | 40 | 40 |
3. Application
A. The wind speed is not bigger than 34m/s;
B. The air filthy should be with in III degree
C. The altitude above sea level does not over 2,000 meters;
D. Surrounding air temperature: -40 ºC ~+40 ºC ;
E. Installing places: Not flammable, the explosion hazard, chemistry corrode place;
F. Does not have the regular fierce vibration
4. Photo and drawing
5. Factory
6. Delivery
7. FAQ
1.Generally we promise one - two years quality guarantee, some products will be extended longer time for life span.
2. For tender cooperation, it is welcome to discuss the detail in between.
3. Some type reports are provided accordingly.
4. Our factory is 250000m2 for production and office.
5. There are four subsidies in our group company. So our whole group company can produce switchgear, power transformer, load break switch, disconnect switch, vacuum/sf6 circuit breaker, fuse, surge arrester, CT PT, Metering unit.
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ZW32-12KV 11KV 24kv 33kv Pole Mounted Circuit Breaker Images
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