12kV Embedded Pole Vacuum Circuit Breaker

General Description: ZN63-12E(VS1) series of vacuum circuit breaker is three-phase A.C. 50Hz indoor high-voltage distribution device with 12KV rated voltage and below which can match with GZS1 type cubical switchgear. It is suitable to control and protect transmission and distribution system such as power generation plant and substation, especially used in the fields where it is frequently operated.The operating mechanism of this series of circuit breaker is that of spring energy-stored type which can be operated by A.C. or D.C., also by manual control.Applying ambient conditions:1. The elevation should be no higher than 1000m. 2. Ambient temperature: The max. temperature should be +40C. The min. temperature should be -10C. 3. Relative Humidity: The average humidity of a day should be no more than 95%. The average humidity of a month should be no more than 90%. 4. Saturated Vapour pressure:The average saturated vapour prereure of a day should be no more than 2.2×10-3 Mpa; The average saturated vapour prereure of a day should be no more than 1.8×10-3 MMpa. 5. It should be used in the places without fire, explosion, serious filth, chemical erosion and violent vibration.Specification Sheet:NameUnitDataRated Voltage kV12Rated current A12501600200025003150Rated power-frequency withstand voltage kV42Rated lighting impulse withstand voltage kV75Rated short-circuit breaking current kA202531.540Rated short-circuit making current kA506380100Rated withstand current(peak) kA506380100Rated duration of short circuit S4Operating cycles at rated short-circuit breaking current Times30Mechanical endurance Times20000Make time ms<75Breaking time ms<65Rated single capacitor bank breaking current A630Rated back-to-back capacitor bank breaking current A400Rated voltage of store energy motor VDC220, 110 AC220, 110Power for opening and closing coil W245Overall dimension (width X depth X height) mm588 X 429 X 563Weight kg100