... input type:24V~55V AC microstepping driver, current: 2-6AQJ6060AC quick delivery in 2 daysused for stepper motor Nema 08,1,14 ... not send out signal in half second, driver enter half current state of automatically for electricity saving, the phase current of the ... protected : When the double-phase electrical machinery is connected with driver , users are apt to connect the phase by mistake, thus ...