USB Controller Board -Single Axis Stepper Drive Highlights Generic Brand Single Axis Stepper Drive Description: 100% brand new and high quality Material: Electrical Components 42/57/86 TB6600 Stepper Motor Stepper 32-segment driver updated version 4.0A 40VDC for CNC milling machine This unit is an upgraded version of TB6600, the distribution of 32-segment increase, for high targeting purposes. Applicable stepper motor: 42.57, 86 phase phase (4 wire 6 wire 8 wire) specification: DC 9V-40V power supply; Flux-driven constant-phase bipolar H-bridge; the maximum output current of 4.0A eight optional; up to 32 segments of six types of submodes available; the input signal is high-speed optical isolation; common anode single pulse common interface; HOLD offline function; semi-enclosed chassis can accommodate the most demanding environment; provide semi-automatic current lock function; built-in thermal protection and overcurrent protection. Size: Approx. 9.6*5.5*2.7cm/3.88x2.17x1.06inch Color: As pictures shown Package includes: 1 Piece Stepper Motor Driver Note: Due to the light and screen setting difference, the color of the item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.