Portable TIG Welders: The Workhorse TIGweld 300ST Capacitor Discharge Arc Starter TIG View printer-friendly version Very rugged capacitor discharge arcstarter TIG/Stick welding machine, weighing approximately 80lbs/36.3Kg Designed for restrictive TIG welding where Lift Start is not allowed due to possible contamination of weld. No high frequency noise generation due to single pulse arc starting. Constant power means less dependence on steady hand for constant Arc length. Constant power makes burn-through almost impossible. Rugged fiberglass enclosure allows for rough handling in tough environments. Digital read out simplifies current and voltage adjustment. Read more on the Workhorse TIGweld Product Features page... Product Specifications: Primary Input* Rated Welding Current (AMPS) @ Duty Cycle Welding Amp Range Open Circuit Voltage Imput Amperes at Rated Load Output 50/60 Hz KVA KW Eff. Dimensions Weight 240V 400V 480V 575V Net Ship Three Phase 400A @ 29% 300A @ 60% 250A @ 100% Range 1 20A @10V -180A TIG 10A @20V to 180A @ 27V Stick Range 2 80A - 400A 80 max 37 25 20 18 14.9 12.05 79.60% Height: 17.9" (45.5 cm) Width: 10.5" (26.7 cm) Depth: 19.5" (49.5 cm) Approx. 80 lbs. (36.3 kg.) 85 lbs. (38.6 kg) Single Phase 200A @ 28V 100% 45 NA NA NA NA NA * 240V, 400V, 480V & 575V Maximum output will be decreased when operating on 208 Volts AC.   Please click here to request more information.