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Wuhan Feite Electric Co.,Ltd
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40.5kv circuit breaker outdoor vacuum circuit breaker
| Payment Terms: | T/T,L/C,D/A,D/P,WU |
| Place of Origin: | Hubei, China (Mainland) |
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Product Detail
1.compact structure
2.advanced technique
3.high breaking capacity
4.comparative price
TOP ZW7-40.5 outdoor high voltage vacuum circuit breaker
1 It mainly used for controling and protecting outdoor 35KV power transmission system and also can be used for the normal operation and the protection of short-circuit of the industrial and mining enterprises as well as the power network urban and rural.
2 the overall structure of the product is porcelain pillar type,there exists vacuum interrupter in the upper porcelain and the lower porcelain is pillar vases.
3 it is especially proper for operation frequently.
Ambient 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 | 40.5 | ||
| Rated frequency | Hz | 50 | ||
| Rated lighting impulse withstand voltage | kv | 185 | ||
| Rated short-time power frequency withstand voltage(dry) | kv | 95 | ||
| Rated short-time power frequency withstand voltage(humid) | kv | 80 | ||
| Rated current | A | 1250 | 1600 | 2000 |
| Rated short-circuit breaking current | kA | 20 | 25 | 31.5 |
| Rated short-circuit making current | kA | 50 | 63 | 80 |
| Rated short-time withstand current | kA | 20 | 25 | 31.5 |
| Rated peak withstand current | kA | 50 | 63 | 80 |
| Rated operations of short-circuit breaking current interruption | times | 20 | ||
| Full opening time | s | 0.1 | ||
| Rated operating sequence | 0-0.3-CO-180s -CO | |||
| Rated duration of short-circuit | s | 4 | ||
| Rated single capacitor bank breaking current | A | 400 | ||
| Contact erosion limit | mm | 3 | ||
| Mechanical life | times | 10000 | ||
| Weight | kg | 1100 | ||
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Company Info
Wuhan Feite Electric Co.,Ltd [China (Mainland)]
Business Type:Manufacturer, Distributor/Wholesaler
City: Wuhan
Province/State: Hubei
Country/Region: China (Mainland)
