... in 2 days used for stepper motor Nema 08, 11,14,17, 23, 24 stepper motor driver,current:0.9~3ACW230 quick delivery ... in 2 daysused for stepper motor Nema 08, 11,14,17 ... of automatically for electricity saving, the phase current of the winding of the electric.3.The fault phase is protected : When the ...