... ~80Vdc Characteristics:1.DC power input type:24V~80V2.Output current:2~6A3.Mircostepping:1(1.8º),1/2,1/4 ... . Protect form : Overheated protect, lock automatic half current ,error connect protect5. The maximum pulse rate is 200HZ.6. Dimensions:147mm*97mm*30mm7 ... 4.B+,B-:Stepping motor other winding5.CP +,CP -:Stepping pulse input+5V (Rising edge effective ,rising edge duration >10uS)6 ...