The SP500 1SU41015 is a 15 HP, three‑phase variable frequency drive engineered for 380–460 VAC input and 50/60 Hz operation, a member of the Reliance Electric SP500 family now represented in Allen‑Bradley/Rockwell Automation lineups. It provides precise motor speed control for AC motors in industrial automation environments and is specified as three‑phase 15 HP (model 1SU41015) with a nominal current around 25.4 A. The drive is offered in a NEMA 1 enclosure or chassis configuration for indoor installations and carries safety certifications including UL Listed and IEC Certified.
