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sales service hotline:0532-58517159

sales service hotline:0532-58517159

    126kv intelligent combination electrical appliance

      zw32-12 outdoor post mounted vacuum circuit breaker

      overview

      ​ the zw32-12/t outdoor column mounted vacuum circuit breaker is an outdoor distribution equipment with a rated voltage of 12kv and three-phase ac 50hz. the circuit breaker adopts a spring operated mechanism, mainly used for breaking and closing load current, overload current, and short circuit current in the power system.

      performance characteristics

      the product is mainly used for the protection and control of power distribution systems in substations and industrial and mining enterprises. can be used in rural power grids and frequently operated places. it can cooperate with the controller to achieve measurement

      protection

      control

      and communication functions. meet the requirements of distribution automation systems. equipped with a knife switch with obvious disconnection points for easy and safe maintenance.

      main electrical parameters of column mounted circuit breaker

       

      project

      unit

      parameter

      switch model

       

      zw32-12

      rated voltage

      kv

      24

      1min power frequency withstand voltage

      kv

      42 (phase to phase, ground) 48 (isolation fracture)

      lightning impulse voltage (full wave)

      kv

      75 (phase to phase, ground) 85 (isolation fracture)

      rated current

      a

      630

      short time withstand current for 4 seconds (effective value)

      ka

      20、25

      rated peak withstand current

      ka

      50、63

      sf6 gas leakage rate

      %/year

      /

      institutional type

       

      spring mechanism, permanent magnet mechanism

      overall dimensions (width * height * depth)

      mm

      1120*703*750

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