Vacuum circuit breaker ZN63S-24

AChigh-voltageindoor

General ZN63S-24(VSI+)indoor high voltage AC vacuum circuit breaker is a kind of indoor switchgear of electric system of 24KV.It is used as protection and control element in electric wire netting system,power equipment of industrial and mineral enterprises,Because of special advantage,vacuum circuit breaker can operate frequently or place of multi-breaking short circuit. Vancuum 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. The breaker conforms to the national standards of GB1984-2003"High Voltage AC Circuit Breaker",DL/T403-2000"Technical Conditions for Ordering AC High voltage vacuum circuit breaker",DL/T403-2000"Technical Conditions for ordering 12-40.5KV High voltage vacuum circuit breaker",IEC62271:100"High voltage AC circuit breaker"and through the pattems test of quality supervision and inspection center of high voltage electrical equipments. Normal use condition a.Ambient temperature Maximum:+40oC Minimum:-15oC b.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 c.Altitude:not exceeding 1000m d.Used in the places free from any fire,explosion danger,severe pollution,chemical corrosion and intense vibration. e.Vibration of switchgear external or land and can be ignored.