Type DN-40 DN-25 DN-16E DN-6 Input voltage ( V) 380± 10 380± 10 380± 10 380± 10 Input capacity( kVA) 40 25 16 6 Rated load cycle ( ) 12 14 20 20 Welding thickness ( mm) 1.5+ 1.5 1+ 1 Max.pressure of electrode ( N) 393 2510 1700 Electrode journey ( mm) 60 60 20 30 “ ú § p à § t 3 Weight( kg) 225 195 115 40 Dimension( mm) 1200* 750* 1000