The ABB AX40‑30‑10‑80 contactor is a 3‑phase AC power contactor from ABB’s AX series designed for industrial and commercial electrical control applications. It is used for power switching, motor control, and general AC circuit control in installations with supply voltages up to 690 V AC. This block‑type magnetic contactor features three main poles and one built‑in auxiliary contact (1NO) for integrating control or signaling circuits.