... reliable 2:compact desing,save space MNS low voltage draw-out switchgear(indoor)Main technicial Parameters Rated isolation voltage660VRated frequency50HzRated voltage ... current50,80kARated peak value withstand current105,176kA Feature:1:Draw out sealed type,good protection and safety performance,reliable2:Protection level ... conform to GB7251.1-2005 IEC 439standard low voltage draw out style switchgear