Address:XiangYang Industrial Zone, Liushi town, Yueqing city Zhejiang Province
TEL:86-577-5688668
FAX:86-577-5688669
Mobile:
Email:sales@chinarenelectric.com ; tech@chinarenelectric.com
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| Indoor VCB |
Home >> Indoor VCB |
| ZN63 Side-mounted VCB | | |  | | |
Description:
ZN63(VS1)-12 side-mounted type vacuum circuit breaker is a kind of indoor high voltage switch device which is used in the AC three-phase power system of frequency 50HZ, rated voltage10-12KV to be the protection and control unit. It is especially suitable to the place requiring frequent operations.
Technical data:
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NO
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item
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unit
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Data
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1
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rated voltage
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KV
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12
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2
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rated current
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A
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630,1250
1600,2500
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3
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rated short-circuit breaking current
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KA
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20/25
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31.5
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4
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Rated short-circuit closing current (peak)
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KA
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63
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80
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5
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opening times of rated short-circuit breaking current
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times
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50
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6
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rated operating sequence
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O-0.3s-CO-180s-CO
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7
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rated insulation level
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1min power frequency voltage
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kV
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75
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lightning impulse withstand voltage (peak)
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42
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8
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rated thermal stability current(virtual value)
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KA
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20/25
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80
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9
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rated dynamic current(peak)
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KA
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60
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80
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10
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secondary circuit power frequency withstand voltage(1min)
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V
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2000
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11
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rated thermal stability time
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S
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4
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12
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Single or back-to-back capacitor group opening current
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A
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630/400
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13
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mechanism life
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times
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10000
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