Portable Single Operated Rectifier Type Conventional Dc Arc Welding Set 600 Ampere Capacity Suitable For Manual Arc Welding Process With Warranty/Guarantee And Test Certificate. Technical Specification As Given Below: (1). Maximum Hand Welding Current 60 Percent Duty Cycle 600 A And Minimum Hand Welding Current 60 Percent Duty Cycle: 120 A (2). Open Circuit Voltage : 70 V (Max.) And Operating Arc Voltage: 25 44 Volt. (3). 3 Phase 50 Hz, Rated Input Voltage: 3 Tapings 380/415/440 Volts. (