Westinghouse A200M4 CX Industrial Motor Starter

Westinghouse A200M4CX is a Size 4, 3-pole magnetic motor starter designed for industrial motor control centers and machinery panels. It uses a 600-volt coil and open-style construction, built for panel-mount installations to start and protect industrial motors across demanding environments. Rated for 50/60 Hz operation, this starter supports high-capacity electric motors used in pumps, conveyors, fans, and compressors, and is suitable for HVAC systems and other heavy-duty equipment where reliable motor control and overload protection are required. The product's MPN is A200M4CX, and it is marketed under the Westinghouse brand as a dedicated motor starter compatible with industrial electric motors. Common replacements include Eaton A200M4CX Motor Starter, Cutler-Hammer AN21 Series Starter, and Allen-Bradley 509-EOD Motor Starter. This 3-pole configuration in Size 4 offers straightforward integration into control panels with standard mounting and wiring practices for industrial applications.