Superior Electric SS221CTG9 is a Slo-Syn stepping motor from the SS221 family, used for precise incremental rotation in legacy automation and positioning systems. In documented listings, the SS221CT variant is described as a stepping motor rated at 0.4 A, 120 V, with a 72 RPM rating, and is listed as discontinued by the manufacturer; the SS221CTG9 carries the B216075 code in some catalog entries. This model appears in multiple marketplaces as new or unused stock, reflecting its vintage status and suitability as a spare part for older equipment that relies on Slo-Syn stepper motors.
