Siemens 6SE7022-6EC51 AC Drive Controller Module

Siemens 6SE7022-6EC51 is a SIMOVERT Masterdrives motion-control compact unit converter that serves as the drive controller module in Siemens' Masterdrives family. It accepts three-phase 380–480 VAC input at 50/60 Hz and is specified for a nominal current of 25.5 A, making it suitable for mid-range motor control applications in automation and manufacturing environments. As part of the SIMOVERT Masterdrives platform, this module provides compact integration for precise speed and torque control in industrial drives, typically paired with compatible motors and I/O configurations for coordinated motion tasks. This model number—6SE7022-6EC51—appears in Siemens’ official catalogs and engineering compendia as a Bestellnummer in the Masterdrives family, with the nominal current rating of 25.5 A noted in the reference material. Industry retailers and repair specialists commonly categorize it under SIMOVERT Masterdrives Motion Control, Compact Unit Converter, for 380–480 V AC operation and 25.5 A rating, underscoring its use in automated production lines, conveyance systems, and machine tools that require robust interfacing and speed control. For engineers, the model designation signals compatibility with the broader Masterdrives ecosystem and related converter/drive components in Siemens’ legacy Simovert/Masterdrives lineup.