| Breaking Capacity: | High Voltage Circuit Breakers |
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| Operation: | Electric Type |
| Speed: | Normal Type Circuit Breaker |
| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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ZW20-12F outdoor high voltage vacuum circuit breaker is an outdoor power distribution equipment with rated voltage of 12kv and three-phase AC 50Hz. It adopts vacuum interpreter and SF6 gas as insulating medium, and is an improved product of ZW20-12F type column vacuum circuit breaker.The operation reliability and stability of ZW20-12F is several times higher than that of the traditional spring operation mechanism in China. The contact resistance of the main circuit is small and the temperature rise is low. So ZW20-12F type outdoor column-mounted vacuum circuit breaker is a maintenance-free product.
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item
|
unit
|
data
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|
Rated voltage
|
kv
|
12
|
|
Rated frequency
|
hz
|
50
|
|
Rated current
|
a
|
630
|
|
Rated short-circuit breaking current
|
ka
|
20
|
|
Peak value of rated closing current
|
ka
|
50
|
|
Peak value of rated dynamic stable current
|
ka
|
50
|
|
4s heat stable current
|
ka
|
20
|
|
Rated operating sequence
|
|
Minute -0.3s- combined minute -180s- combined minute
|
|
Rated energy storage motor voltage
|
v
|
ac220
|
|
Maximum/minimum energy storage motor voltage
|
v
|
ac242/87
|
|
Rated closing operating voltage
|
v
|
ac220
|
|
Maximum/minimum closing operating voltage
|
v
|
ac264/43
|
|
Rated opening operating voltage
|
v
|
ac220
|
|
Maximum/minimum opening operating voltage
|
v
|
ac264/43
|
|
Different closing periods
|
ms
|
≤2
|
|
Different switching periods
|
ms
|
≤2
|
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SF6 gas rated pressure (gauge pressure)
|
mpa
|
0.01
|
|
The number of times the rated short circuit current is broken
|
sequence
|
30
|
|
Mechanical life
|
sequence
|
10000
|
Suppliers with verified business licenses
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