Description: -This drive uses THB6064AH stepper motor dedicated chip, the maximum drive 4A stepper motor (for 57 86 type) -With 2 8 10 16 20 32 40 64 subdivision options, the drive current is adjusted between 0-4A -The drive with two buck treatment, and DC module buck the same, almost no heat, and the use of high-speed light lotus 2631 to do signal isolation, will be in the high-speed pulse or large segment to play the greatest role -Input DC voltage in the 12V-36V 4A above the switching power supply, (standard input 24V/4A or more switching power supply. Specification: Application: 64 subdivision 4A MACH3 Product size: Approx. 120x80x40mm/4.7x3.1x1.6inch Package Includes: 1 Piece THB6064AH JP-264B 2-Axis Stepper Motor Driver