supply of portable inverter type single phase welding machine igbt based.portable inverter type single phase welding machine igbt based.,portable inverter type single phase welding machine igbt based as per the following specific ation :-(1) type of welding machine : portable inverter type single phase welding machine (2) input voltag e frequency: 50hz (3) output current range: 20-220 amp. (4) type of cooling : air cooled (5) provision of m ain fuse protection: yes (6) length of earth cable: 10 metres (7) length of welding holder cable: 10 metres (8) input power capacity: 6-8 kva (9) efficiency in percentage: 80-95 (10) power factor: 0.91-1 (11)primary power supply: 220-240v ac , 50hz. (12) primary continuous current in amp.: 10 amp-20 amp (13) driver a djustment range: 0-65. [ warranty period: 30 months after the date of delivery ] ]