Xi'an Xigao Electricenergy Group Co., Ltd.
Xi'an Xigao Electricenergy Group Co., Ltd.
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1. ZW10 series outdoor high voltage vacuum circuit breaker vcb 12KV 10kv 11kv 630A
vacuum circuit breaker can be used in the AC 50Hz, rated voltage 12kV three-phase electric net. Break and close load, with overload and short-circuit protection. The control and protection device for grid net.
This vacuum circuit breaker is suitable for the rural & city electric network, rail & port distribution systems and frequent operation places
2. Parameter data of vacuum circuit breaker vcb
| Rated Voltage | 12KV | |
| Rated short-circuit breaking current | 16KA, 20KA | |
| Power frequency withstand voltage(1 min) | phase, to ground | 42KV |
| fracture | 48KV | |
| Lightning impulse withstand voltage | phase, to ground | 75KV |
| fracture | 85KV | |
| Rated current | 630,1250A | |
| Rated short-circuit CO power source(peak) | 40KA, 50KA | |
| Rated peak withstand current | 40KA, 50KA | |
| Rated short-circuit current breaking times | 30 times | |
| Rated operation voltage match CT23 spring operation mechanism | breaking & making coil: DC/AC 220V | |
| Moving contact admitted abrasive thickness | 3mm | |
| Rated Frequency | 50HZ | |
| Overcurrent release rated current | 5A | |
| Current transformer primary, secondary current rate(normal) | 200/5, 400/5, 630/5, 1000/5, 1250/5 | |
| Average breaking speed | 1.2±0.2m/.s | |
| Average breaking speed | 0.6±0.2m/.s | |
| Rated short-circuit making current(peak) | 50, 63KA | |
| Rated operating order | O-0.3s-CO-180s-CO(electric mechanism) | |
| Mechanical life | 10000 times | |
| Energy-storge motor rated voltage | DC/AC 220V | |
| Energy-storge motor rated power | 70W | |
| Energy-storge time | ≤8s | |
3. Application
(a). Air pollution: III Class
(b). Altitude below 2000m
(c). Ambient temperature: -40ºC~+40ºC
(d). Wind pressure ≤700Pa(Wind Speed is 34m/s)
(e). Relative diary average temperature ≤95%, monthly average≤90%
4. Photo and drawing
5. Factory
6. Delivery
7. FAQ
1. Technology ensure the quality satisfy international request.
2.Generally we promise one - two years quality guarantee, some products will be extended longer time for life span.
3. For tender cooperation, it is welcome to discuss the detail in between.
4. Some type reports are provided accordingly.
5. Our factory is 250000m2 for production and office.
6. 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.