Double column outdoor switch-disconnector with polymer insulation for switching on and off the live unloaded sections of the contact network of direct current railways for rated voltage 3,3 kV and rated current 3000 A. as well as earthing of the disconnected sections of the circuit by means of stationary earthing knives
أخبرنا بما تحتاجه واحصل على عروض أسعار من موردين موثوقين