Current range: 20-105A（标20-120A）_x000D_ Voltage range: 170--250V_x000D_ Max input Power: 4.1KW_x000D_ Frequency: 50/60Hz_x000D_ Maximum input current: 19A_x000D_ Efficiency: 85%_x000D_ Power factor: 0.73_x000D_ Max Output power: 2.5KW_x000D_ Insulation class: CLass F_x000D_ Protection class: IP21_x000D_ No-load voltage: 30-50V with VRD function_x000D_ Duty cycle: 25% under normal temperature_x000D_ Electrode thickness: 1.6-3.2mm_x000D_ Types of welding rod: stainless steel /carbon steel /steel _x000D_ Welding rod material: stainless steel/alloy steel/carbon steel/cast iron_x000D_ Welding method: ARC_x000D_ Single machine weight: 1.6KG_x000D_ Package weight: 4.6KG_x000D_ Single machine size: 28*26*8cm_x000D_ Packed: color box+bag