... ,1/2504.Protect form : Overheated protect, lock automatic half current ,error connect protect5.Dimensions:118mm×76mm× ... DIR-:Stepping motor direction input, voltage level touched off,high towards, low reverse7,ENA+,ENA-: motor free . ... , The fault phase is protected : When the double-phase electrical machinery is connected with driver , users ... motor driver,1.3A-4.5A,high quality and reasonable price