Vacuum circuit breaker ZN63S-12

vacuum circuit breaker
vacuum circuit breaker
vacuum circuit breaker
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Electrical characteristics
high-voltage, three-phase, AC
Other characteristics

Min.: 630 A

Max.: 4,000 A


12 kV


General ZN63S-12(VSI+)indoor high voltage AC vacuum circuit breaker is a kind of indoor high voltage switchgear of 3-phase AC,50 HZ,with rated voltage of 7.2-12kv,It is used as protection and control element in electric wire netting equipment,power equipment of industrial and mineral enterprises. The breaker conforms to the national standards of GB1984-89"AC High Voltage Circuit Breaker",JB3855-96"3.6~40.5kv indoor high voltage AC vacuum circuit breaker",DL403-91 "Technical conditions for ordering 10-35kv indoor high voltage vacuum circuit breaker"and as well as the relative IEC standards. ZN63S-12(VSI+)indoor high voltage AC vacuum circuit breaker can operate frequently with ability of multi-breaking and quick on-switching.It has reliable interlocking function. ZN63S-12(VSI+) indoor high voltage AC vacuum circuit breaker adopts the design of integrating the operating mechanism with the breaker,available for serving as permanently installed unit,or as hand-trolley unit after equipped with underframe. Normal use condition a.Altitude:not exceeding 1000m b.Ambient temperature Maximum:+40oC Minimum:-15oC(-30oC is allowed during storage and transportation) c.Ambient temperature Daily average relative humidity:≤95% Monthly average relative humidity:≤90% Daily average saturated vapor pressure:≤2.2×KPa Monthly average saturated vapor pressure:≤1.8×KPa d.Used in the places free from any fire,explosion danger,severe pollution,chemical corrosion and intense vibration. Any special use condition should be indicated to manufacturers before order.


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