Description: 42/57/86 TB6600 Stepper Motor 32-segment driver updated version 4.0A 9V-42V DC for CNC milling machine This unit is an upgraded version of TB6600, the breakdown of increase to 32 segments, for high targeting purposes. Applicable stepper motor: 42.57, 86 Phase type phase (4 wire 6 wire 8 wire line) 9 V-42 V DC power supply; Material: Organic Resin Color: As pictures show Specification: Input voltage: DC 9~ 42V input Max Output Current: 4A H-bridge Bipolar constant-phase flow-driven; the maximum output current of 4.0A eight optional; up to 32 segments of six types of sub-modes available; the input signal is high-speed optical insulation; standard common anode single pulse interface; HOLD function offline; semi-closed chassis can accommodate the most demanding environment; provide semi-automatic current locking function; built-in thermal protection and overcurrent protection. Size: Approx. 96x 56x 35mm/ 3.78x 2.20x 1.38inch Package Includes: 1 Piece Stepper Motor Driver