Features Original Stepper Motor Driver Chip: Utilizes the original stepper motor driver chip, allowing for current selection via the DIP switch, ensuring optimal motor performance and efficiency. Large Area Radiator: Equipped with a large area radiator, making it suitable for high-temperature environments, ensuring stable and reliable even in demanding conditions. Adjustable Subdivisions and Optocoupler Isolation: Offers seven subdivisions adjustable settings and automatic half-current reduction, along with high-speed optocoupler isolation for the interface, ensuring smooth and accurate motor control for CNC applications. Input Voltage Reverse Connection Protection: Incorporates input voltage reverse connection protection, suitable for a wide range of stepper motor types (42, 57, 86), providing versatility and ease of use. Robust Interference and Overheat Protection: Boasts powerful anti-high frequency interference capability, along with overheating, overcurrent, and short circuit protection, ensuring the safety and reliability of the stepper motor driver. Features: 1、Original stepper motor driver chip, the current is selected by DIP switch 2、Large area radiator, not afraid of using in high temperature environment 3、Seven subdivisions adjustable, automatic half-current to reduce heat generation, high-speed optocoupler isolation for the interface 4、Possess input voltage reverse connection protection, applicable stepper motor for 42,57,86 type 2 5、Powerful anti-high frequency interference ability, and overheating, overcurrent, short circuit protection Specification: Item Type: Stepper Motor Driver Material: ABS Model: TB6600 Input Voltage: DC9-40V Temperature/Working Temperature: -10~45℃ Storage temperature: -40℃~70℃ Product Description and Parameters: 4A TB6600 stepper motor driver controller 9~40V TTL 16 microstep CNC 1 axis 2 or 4 phase stepper motor for 42, 57, 86 Function: This drive is an upgraded version TB6600 is the highest segment of the 32 market segments and is suitable for highly segmented applications. Applicable Stepping Motor: 42,57,86 type 2 Phase: 4 Phase(4 wire 6 wire line 8) 1. 9V-40V DC power supply; 2. H-bridge bipolar constant current drive; 3. Eight output currents are optional, Maximum Output Current: 4.0A; 4, 6 subdivision modes are available, up to 32 subdivisions; 5. High-speed optical isolation of input signals; 6. Common anode single pulse interface standard; 7. Offline hold function; 8. The semi-enclosed chassis can adapt to a harder environment; 9. Provide energy-saving semi-automatic current locking function; 10. Built-in temperature protection and overcurrent protection. Package List: 1 x Stepper Motor Driver Note: betweendiv>1. It is an updated version of TB6600 4A stepper motor driver.between/div>betweendiv>2. The practicality of this type is the same as the TB6600 4A drive, but its appeara Package List 1 x Stepper Motor Driver