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ZW32-40.5F(M)
          OUTDOOR HIGH VOLTAGE INTELLIGENT (PERMANENT
          MAGNET) VACUUM CIRCUIT BREAKER                                                             YINGMING POWER
          The main technical parameters

           Project                                           Unit                    Parameter
           Rated voltage                                      kV                       40.5
           Rated current                                      A                      630/1250
           Rated frequency                                    Hz                      50 或 60
           Power frequency withstand voltage 1min             kV                      80 95/95
           (wet) (dry) interphase, ground / fracture
           Lightning impulse withstand current (peak) interphase, ground / fracture  kV  185
           Rated short-circuit breaking current               kA                     20/25/31.5
           Rated short-circuit making current (peak value)    kA                       63/80
           Rated peak withstand current                       kA                       63/80
           4S short-time withstand current                    kA                      25/31.5
           Rated operating cycle                                   Points-0.1s-Combined-3s-Combined-6s Combined-60s Recovery
           Breaking times of rated short-circuit current     Times                      30
           Mechanical life                                   Times                     10000
           Mechanism control voltage                          V                      AC/DC220
           Secondary circuit 1min power frequency withstand voltage  kV                 2
           Contact opening                                   mm                       18 ± 1
           Contact overtravel                                mm                       4 ± 0.5
           Opening speed                                     m/s                      1.4-1.8
           Closing speed                                     m/s                      0.4-0.8
           Bounce time of contact closing                     ms                       ≤5
           Center distance                                   mm                       560 ± 2
           Different phases of three-phase opening and closing  ms                     ≤2
           Conductive loop resistance of each phase           μΩ                       < 80
           Closing time                                       ms                       ≤ 100
           Opening time                                       ms                       ≤ 50
           weight                                             KG       Without isolation 300   With isolation 380



          Shape and installation size (mm)








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