... quality 2.polular in power station 3.IEC,GB standard 4.export to Europe,Africa,Asia,Middle East indoor load break switch ... distance can be 275mm,230mm,250mm. It can protect and control the electric equipment for power supply and transformer substations, expecially ... convenient to install and operate. This load break switch can be used in high altitude. 12kv,24kv,36kv are available. Whole solution ...