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M542 | Mecheltron GmbH & Co. KG
1.0 A Leadshine M542 Microstep Motor Driver
CNC Digital Microstep driver DM542 Stepper Motor Controller 2-phase Digital Stepper Motor Driver 20-50V DC Max 4.2A for Nema 17, Nema 23 and Nema 34 series stepper motor, Replace M542 M542H - Amazon.com