MDrive Plus NEMA size 17 (42 mm) Step/direction input with SPI interface for parameterization.Holding torque range oz-in (N-cm): 23 … 53 (23 … 53)I/O connector options: M23 CircularCom connector: NoneMDrive 17 Step and Direction IP65MDM2 NEMA 17 Step/direction Input IP65 Performance notes Single Length Double Length Triple Length Holding torque [oz-in] {N-cm] 32 23 60 42 75 53 Rotor inertia [oz-in-sec2] [kg-cm2] 0.0005 0.038 0.0008 0.057 0.0012 0.082 Detent Torque [oz-in] {N-cm] 1.7 1.2 2.1 1.5 3.5 2.5 Weight oz gm 10.4 295 12.0 340 15.2 431 DATA SHEET DOWNLOAD