... export to EU, Middleeast. 3. Providing whole solution for 12kV, 24kV,36kV LBS whole solution for load break switch(switch disconnector) 12kV,24kV,36kVLoad ... an arc-extinguishing and insulation medium, including the three contactors for switching-on and switching-off and to-ground, and is ... of GB3804-1990, IEC60256-1,1997, GB16926, IEC60420 etc.. Whole solution for MV SF6 Load break switch,LBS