Allen-Bradley X-289352 Type RST-3 Motor Starting Autotransformer is a Hevi-Duty HD-180 starting transformer used in motor starter circuits to apply reduced voltage during startup. The part number X-289352 is described as a STARTING TRANSFORMER in Rockwell/Allen-Bradley catalogs and is associated with the HD-180 Hevi-Duty line, with the Type RST-3 designation. This current Rockwell Automation product is intended for industrial motor starters where controlling inrush current during acceleration is desired.
