Allen-Bradley 73A81 AC Contactor Coil 550-600V

Allen-Bradley 73A81 AC Contactor Coil is a genuine replacement coil for Allen-Bradley 73-series contactors, used to energize the magnetic core that pulls in the main contacts in motor-control circuits. It is rated for 550 VAC at 50 Hz or 600 VAC at 60 Hz, enabling reliable operation in common 50/60 Hz industrial environments; the coil is sold separately from the contactor assembly and is identified by the 73A81 designation to ensure proper fit with compatible Allen-Bradley equipment. Typical applications include controlling AC motors and other high-current loads in industrial automation, conveyors, pumps, and machine tools where a 550–600V AC control coil is required; when replacing, verify that the replacement coil matches the exact part number (73A81) and that the host contactor is designed to accept a 550/600V AC coil, per the Rockwell Automation/Allen-Bradley catalog.