Industrial WI05-I31A IGBT DC Resistance Inverter

The WTC / Medar WI05-I31A IGBT DC Resistance Inverter is an industrial inverter power module that provides DC weld power switching and regulation for resistance welding systems. It is designed for high-speed weld current switching and precise power control in robotic weld cells, automotive body assembly lines, and automated fabrication equipment that require stable DC welding current and repeatable weld quality. Key specs include 480 VAC input at 50/60 Hz, IGBT-based DC weld power control, industrial chassis mounting, and compatibility with robotic welding and weld controller systems; dimensions are approximately 30 x 17 x 16 inches and it weighs about 54 lb. This unit is intended for replacement, retrofit, and repair applications within automated manufacturing and welding operations.