CNC Digital Microstep Driver DM542 Stepper Motor Controller 2 Phase 20 50V DC Max 4.2A for Nema 17, 23 and 34 Series Motor, Replace M542 M542H

Suitable for Nema 17, Nema 23 and Nema34 Stepper Motor，2-phase hybrid stepper motors (Outer diameter: 42, 57,86mm). Package: 1piece DM542 Anti-Resonance for optimal torque, extra smooth motion, low motor heating and noise. This high subdivision driver is suitable for high subdivision motor. Suitable for stepper motor: 42,57,86 type 2-phase 4-phase (4-wire, 6-wire, 8-wire) PLEASE NOTE: if there is any problem, please feel free to contact us, each defect items could be refunded or reshipped, we will try out utmost to support you.