... ~60VDC 1.5A to 5A high perfomance competive price CW250AC stepper motor driver sprecification:Input Voltage: 20 ~ 40VAC or 24~60VDCPhase Current: adjustable ... from 1.5A to 5A (1.5A,2.0A, 2.5A,3.0A,3.5A,4.0A,4.5A,5 ... .0A)Microstep resolutions: 1/2, 1/4, 1/8, 1/16, 1/32, 1/64 ... /twin impulses input compatibleSuitable for NEMA size 23 and 34 stepper motors