Our R4000 advanced inverter power sources are versatile, lightweight and portable. The CC units are designed for superior MMA and TIG welding with an external control unit( T300 HF unit ). Housed in robust casings, these units are extremely reliable in the most challenging conditions. Newarc’s latest inverter design provides a more stable and precise arc characteristic than conventional machines and ensures high quality welding performance for any application. With high efficiency and power, these units also save energy and costs.