Hot! ZW38-12 outdoor AC high voltage vacuum circuit breaker
| Min. Order: | 1 Set/Sets |
|---|---|
| Payment Terms: | L/C, D/P, D/A, T/T, WU |
| Supply Ability: | 100sets/month |
| Place of Origin: | Hubei |
Company Profile
| Location: | Wuhan, Hubei, China (Mainland) |
|---|---|
| Business Type: | Manufacturer, Distributor/Wholesaler |
Product Detail
| Means of Transport: | Ocean, Air, Land |
|---|---|
| Type: | Vacuum |
| Poles Number: | 3 |
| Brand Name: | feite |
| Production Capacity: | 100sets/month |
| Packing: | as required |
| Delivery Date: | within two weeks |
Product Description
Hot! ZW38-12 outdoor AC high voltage vacuum circuit breaker
ZW38-12 outdoor high voltage vacuum circuit breaker is appropriate to 12kv, 50Hz three phase alternating current system, applicable for power grid breaking, loading current, overload current and circuit breaking current closing in transformer substation and power system of industrial and mining enterprises. They can be used as segment switch. When assembled with controller it can realize automation of distribution network.
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 | 75 | ||
| Rated short-time power frequency withstand voltage(dry) | kv | 42 | ||
| Rated short-time power frequency withstand voltage(humid) | kv | 30 | ||
| Rated current | A | 630/1250 | ||
| Rated short-circuit breaking current | kA | 20 | ||
| Rated short-circuit making current | kA | 50 | ||
| Rated short-time withstand current(4s) | kA | 20 | ||
| Rated peak withstand current | kA | 50 | ||
| Rated operations of short-circuit breaking current interruption | times | 30 | ||
| Power frequency withstand voltage of secondary circuit(1 min) | v | 2000 | ||
| Mechanical life | times | 10000 | ||
Mechanical characteristics adjustment data
Rated contact stroke mm 9±1
Contact overtravel mm 2±0.5
Average opening speed m/s 1.2±0.3
Average closing speed m/s 0.6±0.2
Contact bouncing duration at closing operation ms ≤2
Core distance between phases mm 340±1.5
Three-pole simultaneity ms ≤2
Condactive circuit resistance of each phases μΩ <80
Closing time ms 20~40
Opening time ms 30~60