... -IP21IP21IP21IP21 Insulation Grade-FFFF Power Source Net WeightKg9232338Dimension(L*W*H)mm371×153×232505×203×375505×203× ... Welding MachineMain Features and Applicationsl One machine, two applications;l Easy arc starting, stable welding current, no noise, ... beautiful welding appearance; l Automatic compensation for mains voltage fluctuationsl Suitable for various acidic ...