The ABB AX12‑30‑10‑84 is a three‑pole general‑purpose AC contactor from the ABB AX series, designed for control and switching of three‑phase motors and power circuits. It features a 110 V AC coil (50 Hz) / 110–120 V AC coil (60 Hz) and a compact block‑type design with three normally open main contacts and one auxiliary contact for control signalling. This contactor is suitable for industrial and commercial applications including motor starters, lighting, and general power switching up to 690 V AC.