... /50,1/125,1/2504.Protect form : Overheated protect, lock automatic half current ,error connect protect5.Dimensions:118mm×76mm×33mm6.Weight ... duration >10μS)6,DIR +,DIR-:Stepping motor direction input, voltage level touched off,high towards, low reverse7,ENA+,ENA-: motor ... a jump5,installation dimension Stepping motor driver,1.3A-4.5A,high quality and reasonable price