Soft Starters

This category covers Allen-Bradley Bulletin 150 SMC soft starters and solid-state motor controllers, with 276 in-stock units spanning a wide range of current ratings and configurations. The majority of listings belong to the SMC-50 family, including enclosed and open-style smart motor controllers with and without bypass, replacement power pole assemblies, and option modules such as the 150-SM2 (PTC, ground fault, and current feedback) and 150-SM4 (digital I/O). Voltage references visible across the sample include 200–480 V and 200–690 V variants. Current ratings in the sample range from 9 A up to 480 A, covering a broad spectrum of motor starting applications. Controls engineers and machine builders sourcing SMC-50 controllers, Frame C power pole replacements, or Bulletin 150 accessories will find both complete units and service parts represented here.