ITEM NAME:TB6600 4A Stepper Motor Driver 9~40V Micro-Step for Nema17 Nema23 Steppers Motor Descriptio n Description: Description: 1,9V-42V DC power supply; 2, H-bridge bipolar constant current phase drive; 3, Eight output current options, maximum output, Currently: 4.0A; 4, 6 subdivision modes to choose from, up to 32 subdivisions; 5, input signal high speed optical isolation; 6, a common anode single pulse interface standard; 7, offline maintenance function; 8, semi-enclosed chassis can adapt to a harder environment; 9, providing energy-efficient semi-automatic current lock function; 10, built-in temperature protection and overcurrent protection. Specifications: Specifications: Material: Plastic Color: Black Size: 96*72mm Function: This Drive Is An Upgraded Version Applicable Stepping Motor: Type 42,57,86 2 Phase 4 Phase (4 Lines 6 Lines 8) Package Included: Package Included: 1 *Â Stepper Motor Driver Controller Note: Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! TB6600 4A Stepper Motor Driver 9~40V Micro-Step for Nema17 Nema23 Steppers Motor.3, Eight output current options, maximum output, Currently: 4.0A;. We'd like to settle any problem in a friendly manner. Applicable Stepping Motor: Type 42,57,86 2. 5, input signal high speed optical isolation;.