The ABB AX300‑30‑11‑80 is a heavy‑duty 3‑phase AC contactor designed for industrial motor control and power circuit switching. It belongs to ABB’s AX contactor series, suitable for switching high currents in industrial control panels and large machinery. This contactor features three main poles (3NO) and built‑in auxiliary contacts (1NO + 1NC), and has a wide range of main circuit and control coil ratings to match common industrial power systems.