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High quality ZW8-12(G) Eletrical PT outdoor high voltage vacuum circuit breaker
1.vacuum circuit breaker with IEC standard
2.Rated voltage 12KV
3.Rated current 200/400/630AAmbient condition
2.Rated voltage 12KV
3.Rated current 200/400/630AAmbient condition
1 Ambient temperature: max +40°C min -15°C(conveyance under -30°C is allowed)
2 Altitude: ≤1000m
3 Relative humidity: daily average relative humidity: ≤95%; monthly average relative humidity≤90%; daily average saturated vapor pressure ≤2.2*10-3 MPa; monthly average value ≤1.8*10-3 MPa
4 Earthquake intensity: ≤8 degree
5 The installation should be free from fire, explosion, severe vibration, chemical corrosion and serious pollution
Order instruction
Complete model and order quantity of the product
Rated current, rated voltage, distance of each poles
Rated short circuit breaking current, operation voltage
Required accessory and quantity
Other requirement please contact with us directly
| Main Technical Data | ||||
| Rated voltage | kv | 12 | ||
| Rated frequency | Hz | 50 | ||
| Rated lighting impulse withstand voltage | kv | Interphase or to ground 75,fructure 80 | ||
| Rated short-time power frequency withstand voltage | kv | Interphase or to ground 42,fructure 48 | ||
| Rated current | A | 200 | 400 | 630 |
| Rated short-circuit breaking current | kA | 12.5 | 16 | 20 |
| Rated short-circuit making current | kA | 31.5 | 40 | 50 |
| Rated short-time withstand current | kA | 12.5 | 16 | 20 |
| Rated peak withstand current | kA | 31.5 | 40 | 50 |
| Rated operations of short-circuit breaking current interruption | times | 30 | ||
| Rated operating sequence | 0-0.3-CO-180s -CO | |||
| Mechanical life | times | 10000 | ||
| Current transformer current ratio of two times(normal) | 200/5,400/5,600/5 | |||
| PT output voltage | v | AC,DC220 AC,DC110 AC,DC24 | ||
| PT volume | w | 600 | ||
| Rated operating voltage and rated voltage of auxiliary current | v | AC,DC220 AC,DC110 AC,DC24 | ||
| Overcurrent adjustment | A | 2~10 | ||
| Delay time | ms | 40~850 | ||
| Quick break current | A | 18 | ||
| Remote control distance | m | 30 | ||
| Note:Rated characteristics can be given on requirment | ||||
