Industrial WI05-T30A IGBT Power Module With Timer

The WTC WI05-T30A / WI05-I20A IGBT unit with timer is an industrial welding power control assembly designed for inverter-based resistance welding in automated manufacturing systems. It provides precise weld timing and power switching control through insulated-gate transistor technology, making it a common fit in robotic spot-welding cells, automotive body assembly lines, and other high-production welding operations that demand fast switching and reliable current control. Key specifications include a 3-phase, 480 VAC input at 50/60 Hz, a 168 kVA power rating, and a 350 A current rating, with industrial chassis mounting and an approximate weight of 50–52 lb. The unit supports industrial automation integration for seamless communication with weld controllers and robotic welding systems, enabling straightforward replacement, retrofit, and maintenance of existing control modules in automated fabrication equipment. Brand: WTC; Part Numbers WI05-T30A / WI05-I20A; Technology: IGBT; Function: weld timing and power switching control; Application: resistance welding automation systems.