The AX370‑30‑11‑84 is a 3‑pole AC contactor from ABB’s AX series, intended for heavy‑duty industrial power switching and three‑phase motor control applications.It has 3 main contacts (normally open) and built‑in auxiliary contacts (1 NO + 1 NC), enabling additional control or feedback circuits.The control (coil) circuit supports 110 V AC at 50 Hz or 110–120 V AC at 60 Hz, compatible with standard control-voltage supplies.Its block‑type design allows for integration with add‑on auxiliary contact blocks and a variety of accessories, suitable for use in motor starters or industrial control panels.