Features: Advanced Motor Speed Controller with variable frequency drive ensures precise 15A industrial equipment control, meeting strict US electrical standards for safe commercial applications. Engineered with erosion resistant plastic housing and simplified installation design, this speed regulator requires not specializes tools for quick setup in dynamic work environments. Perfect for professional engineers, facility managers, and industrial technicians handling motorized equipment in manufacturing plant or construction site . Optimizes conveyor systems, workshop machinery, and processing units requiring adjustable RPM in factories, warehouses, or temporary project site . Combines compliant safety features with multi device compatibility, serving as a stable variable frequency drive solution for 120V systems across North markets. Specifications: Component : plastic Current: 15A Size: about 6x9x10cm/2.36x3.54x3.94inch Input electric : AC220-250V Output electric : AC0-220V adjustable power: 4000W (Load power: 2000W) current: 15A (load current: 9A) Package Includes: 1xAc Motor Speed Regulator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.