 Model Number |
ZN63 |
Detailed Product Description
VS1 series vacuum circuit breaker is indoor high voltage switch-gear with rated voltage 12kV, three-phase AC 50Hz, which is developed by introducing from Switzerland, ABB Corporation technology and analyzing domestic profession development condition, productivity development manufacture product. The overall structure of this product is formed with the switch main body and operating device, uses the compound insulation structure, does not have the pollution and the explosion hazard, and the insulation level is high.
This operating device of the series product is for the spring loaded type, can use the electrically operated operation, also can use the manual operation.
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Item
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Unit
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Data
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31.5kA
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40kA
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50kA
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Rated voltage
|
kV
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12/17.5/24kV
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Maximum working voltage
|
kV
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12
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Rated current
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A
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1250, 1600
2000, 2500
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1250, 1600
2500, 3150
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1250, 2500
3150
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Rated short-circuit break current
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kA
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31.5
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40
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50
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Rated short-circuit close current(peak value)
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kA
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80
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100
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125
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Rated peak value withstand current
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kA
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80
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100
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125
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4S Rated little withstand current
|
kA
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31.5
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40
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50
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Rated in sulation level
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Industrial frequency withstand voltage
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kV
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42/50/60
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Thunder impulse withstand voltage
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75/95/125
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Rated operation order
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-0.3S--180S-
Off-0.3S on and off-180S-on and off
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Mechanical life-span
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times
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10000
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Rated short-circuit current break and close time
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times
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50
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Speak and move organization amount equal to the voltage of the
floodgate(DC)
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V
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110,220
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Speak and move organization amount assign the current of the
floodgate(DC)
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V
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110,220
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Switching distance of the contact
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mm
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≥11
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Ultra journey(touches the head springand compress
length)
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mm
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4±0.5
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three-phase breaking intoshut floodgate sex of
the same period
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ms
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≤2
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Touch the head and shut a floodgate of time of bouncing
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ms
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≤2
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Average speed of breaking brake
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m/s
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0.91.2
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Average speed of closing brake
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m/s
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0.60.8
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Time of breaking brake
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Operate it under the voltage highest
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s
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≤0.05
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Operate it under the voltage temostlow
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≤0.08
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Time of closing brake
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s
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≤0.1
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Each the resistance of main return circuit
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μΩ
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≤40
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Allowance abrasion cumulated thickness of the moving and
stationary contact
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mm
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3
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