The ABB A63‑30 is a 3‑pole AC contactor from ABB’s A‑Series contactor family. It is designed for reliable control and switching of three-phase power circuits in industrial and commercial applications. The contactor features a rugged magnetic design for frequent switching operations, making it suitable for motor control, lighting loads, resistive heaters, and general electrical load control. The compact design supports easy installation in control panels, motor starters, and automation systems, and can be combined with auxiliary contacts and overload relays as required.