| Breaking Capacity: | 25ka, 31.5ka |
|---|---|
| Operation: | Manual Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Fixed |
| Structure: | ACB |
| Customization: |
|---|
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Technical Specifications
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NO
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Item
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Unit
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Value
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1
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Rated voltage
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KV
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40.5
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2
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Rated insulation level
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Power frequency withstand voltage
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Dry test
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95
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Wet test
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80
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Lightning impulse withstand voltage (peak)
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185
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3
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Rated current
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A
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125,016,002,000
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4
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Rated short-circuit breaking current
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KA
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20,25,31.5
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5
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Rated operation sequence
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0-0.3s-combination-180s-combination
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6
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Rated short circuit current breaking times
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times
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12
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7
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Rated short circuit closing current (peak)
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KA
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50,63,80
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8
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Rated peak withstand current
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9
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Rated short-time withstand current
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KA
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20,25,31.5
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10
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Rated short circuit continuous current
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S
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4
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11
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Average opening speed
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m/s
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1.5±0.2
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12
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Average closing speed
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0.7±0.2
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13
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Contact closing bounce time
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s
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≤2
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14
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Three-phase combined (minute) gate synchronous time difference
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≤2
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15
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Closing time
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≤150
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16
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Opening time
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≤60
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17
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Mechanical life
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times
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10000
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18
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Rated operating voltage and auxiliary circuit rated voltage
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V
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DC220,110,24
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AC220,110,24
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