... CNC 3 Axis Stepper motor Driver ROUTER,MILL , 65. 0A + CNC DB25 Breakout Board adapter KitPower Input: 12V to 36 VDCPhase Current: adjustable ... from 1.5 A to 5A(1.5A,2.0A, 2.5A,3.0A,3.5A,4.0A,4 ... Optical-coupler. High quality with Surface-mount Tech. sw_3AXIS_5A_001 CNC 3 Axis Stepper motor Driver ROUTER,MILL , 5A + CNC DB25 Breakout Board ...