Nema17 Stepper Motor 42 motor 1.5A 17HS4401S with TB6600 Stepper Motor Driver 17HS4401-S motor: compatible with DC 9-42V power supply; DC12-24V recommended Controller signal input voltage: 3.3-24V Subdivision accuracy: 1-32 step selectable Output current: up to 4.0A H-bridge bipolar constant current drive Input signal with high-speed optocoupler isolation Built-in thermal and overcurrent protection Automatic half-current mode to reduce heating Motor noise optimization function Compact design for space saving Features: Material: Electrical components Color: As shown in pictures Compatible with 42, 57, 86 stepper motors TB6600 Stepper Motor Driver 32-step microstepping, updated version, 4.0A 40VDC, suitable for CNC milling machines Specifications: - DC power input: 9V-40V - H-bridge bipolar constant-phase current drive - Maximum output current: 4.0A, 8 levels adjustable - Up to 32 microstep divisions, 6 subdivision modes available - Input signal with high-speed optical isolation - Standard common-anode single-pulse interface - HOLD function for offline operation - Semi-enclosed case design for reliable performance in demanding environments - Semi-automatic current lock function - Built-in thermal and overcurrent protection Dimensions: 9.6 x 5.5 x 2.7 cm Package Includes: 1 x 17HS4401-S Stepper Motor 1 x TB6600 Stepper Motor Driver 1 x 10cm Wire