Allen-Bradley 150-S201UPGBD Soft Starter

The Allen-Bradley 150-S201UPGBD (150-S201UPGBD) is a solid-state soft starter designed for industrial motor starting and control applications within the Bulletin 150 product family. This controller manages motor acceleration and deceleration by adjusting the voltage ramp to avoid mechanical shock, excessive torque transients, and high inrush currents on startup. It is engineered for heavy-duty industrial machinery, including pumps, fans, compressors, and material handling systems where controlled acceleration is critical for operational reliability. The unit has a net weight of 10 kg, making it a robust addition to control cabinets and motor control centers. Operating as part of the Allen-Bradley motor control lineup, this soft starter provides essential starting and stopping profiles to minimize mechanical wear on couplings, belts, and connected drivetrains. The Allen-Bradley 150-S201UPGBD delivers stable performance, simplifies routine maintenance, and offers dependable component-level replacement to maintain production uptime across diverse industrial automation environments.