Eaton A201K4CA Motor Contactor 120V AC Coil Size 4

The EATON CUTLER HAMMER A201K4CA is a 3‑pole, non‑reversing motor control starter (Size 4) with a 120 VAC coil, rated for 135 A and 100 HP at 460–575 V. It carries part numbers A201K4CA / 5250C85G02 in the A201 Series and is designed as an industrial‑grade electromechanical starter for panel or enclosure mounting. This device provides power switching and overload protection for motor control in heavy‑duty equipment, commonly used to start, switch, and protect motors in manufacturing facilities, pump systems, conveyors, HVAC gear, and automation panels. Applications span industrial motor starting and protection within motor control systems where reliable operation and stable protection are critical.