Allen-Bradley 100-K09KY400 Contactor

The Allen-Bradley 100-K09KY400 (100-K09KY400) is a contactor designed for industrial control systems and electrical switching applications. Manufactured by Allen-Bradley, this contactor functions as an electrically controlled switch used for establishing and interrupting power circuits in industrial machinery and control panels. It is utilized in factory equipment, motor starter circuits, and automation panels where dependable load switching and circuit management are essential. With a recorded weight of 10 kg, this component is suitable for routine maintenance, repair, and direct replacement requirements in existing installations. Replacing worn or faulty contactors with the 100-K09KY400 supports consistent electrical operation, protects downstream machinery from switching faults, and minimizes system downtime. Before installation, confirm the part number, mounting configuration, and circuit specifications against your equipment documentation to ensure full compatibility.