ESAB Tradesarc Dual 141i is a small, portable, inverter-based power source suitable for MMA (stick) or TIG welding using the scratch start method. With a maximum welding current of 140A, it operates from either 230V or 110V single-phase AC electricity supplies. The unit automatically adjusts to match the mains input supply, 230V or 110V as necessary, eliminating the need for internal adjustments. It provides a smooth and stable arc, making it suitable for a wide range of welding applications.