Thyristor Controlled 400/ 600 Amps Welding Machines find application in shipping, power plant and steel plants fabrication and heavy construction projects. These Welding Machines offer step less Arc control through rectifier circuit. These Welding Machines are designed with a rated input capacity of 26.3 KVA, 29 KVA and 47.6 KVA. Thyristor Controlled 400/ 600 Amps Welding Machines are available in different weight ranges like 155kg, 195kg and 255kg.