Azuocn 4 Pcs TB6600 4A 942V Stepper Motor Driver CNC Controller Stepper Motor Driver Nema tb6600 Single Axes Two Phase Hybrid Stepper Motor for CNC

9V-42V DC power supply, H bridge bipolar constant phase flow drive., The maximum 4.0A of the eight kinds of output current. The largest 32 subdivision of the 6 models are optional., Energy-saving semi-automatic current lock function, built-in temperature protection and over current protection., Can control 2 phase stepper motor forward and reverse rotation, With 1-2, W1 -2 , 2W1 -2, 4W1 -2 phase excitation mode., Only the clock pulse signal can be driven two-phase bipolar stepper motor to achieve low vibration, high efficiency work.