... current:0.9A-3A,CW230 quick delivery in 2 days used for stepper motor Nema 08, 11 ... driver,current:0.9~3ACW230 quick delivery in 2 daysused for stepper motor Nema 08, 11,14 ... the module run reliably for a long time.2.Half current automatically: if control machine not send ... the electrical machinery runs abnormally, shake , and output is small. Please check whether the wiring of electrical machinery ...