... export to EU, Middleeast. 3. Providing whole solution for 12kV, 24kV,36kV LBS whole solution for load break switch(switch disconnector) 12kV ... -on and switching-off and to-ground, and is characteristic in its small volume, its convenient installation and operation and its ... of GB3804-1990, IEC60256-1,1997, GB16926, IEC60420 etc.. Whole solution for MV SF6 Load break switch,LBS