Main features:1) Step current adjustment professional welder,delivering high power efficiency;2) Four wheels,quick connector,fan-cooling,wooden case for packing;3) Copper coil;4) Suit for industial field;5) Without accessoriesHas 6 models:BX6-160,BX6-200,BX6-250,BX6-300,BX6-400,BX6-500. 1) Model: BX6-160 Supply Voltage: 220/380V, No-load Voltage: 55V, Current Range: 60-160A, Rated Duty: 20%, Input Capacity: 9.2KVA, Class of Insulation: F, Suitable Electrode: 2-4mm, Weight: 35KG, Packing Size: 580*460*750mm 2) Model: BX6-200 Supply Voltage: 220/380V, No-load Voltage: 55V, Current Range: 70-200A, Rated Duty: 20%, Input Capacity: 11.6KVA, Class of Insulation: F, Suitable Electrode: 2-4mm, Weight: 41KG, Packing Size: 580*460*750mm 3) Model: BX6-250 Supply Voltage: 220/380V, No-load Voltage: 58V, Current Range: 80-250A, Rated Duty: 20%, Input Capacity: 15.2KVA, Class of Insulation: F, Suitable Electrode: 2.5-5mm, Weight: 45KG, Packing Size: 580*460*750mm 4) Model: BX6-300 Supply Voltage: 220/380V, No-load Voltage: 55V, Current Range: 60-300A, Rated Duty: 20%, Input Capacity: 18.9KVA, Class of Insulation: F, Suitable Electrode: 2-6mm, Weight: 52KG, Packing Size: 580*460*750mm 5) Model: BX6-400 Supply Voltage: 380V, No-load Voltage: 65V, Current Range: 90-400A, Rated Duty: 20%, Input Capacity: 27.3KVA, Class of Insulation: F, Suitable Electrode: 2.5-7mm, Weight: 58KG, Packing Size: 580*460*750mm 6) Model: BX6-500 Supply Voltage: 380V, No-load Voltage: 68V, Current Range: 100-500A, Rated Duty: 20%, Input Capacity: 35.7KVA, Class of Insulation: F, Suitable Electrode: 2.5-8mm, Weight: 78KG, Packing Size: 580*460*750mm