Product Name: 57 Series Two-Phase Stepper Motor/Stepping Motor, Low Noise/Vibration/Heat Model NO.: 57 Series Brand: Dickcisco Certification: ISO9001 Type: Magnetic-Electric Operate Mode: The Three Single Phase Number of Poles: 2 Function: Control, Driving Excitation Mode: HB-Hybrid Number of Stator: Two-Phase Speed: Variable Speed Application: Nc Machine Tool Trademark: DickCisco Origin: China HS Code: 8501310000 Product Description General Specifications Step Accuracy ±5%(Whole step,No load) Temperature Rise 80ºCMax Environment Temperature -10ºC - +50ºC Insulation Resistance 100MΩmin.500VDC Withstand Voltage 500VDC for one minute Radial Runout 0.06Max.(450g-load) Axial Runout 0.08Max.(450g-load)Technical SpecificationsModelPhaseStepAngle(°)HoldingTorqueN.MRatedCurrent(A)PhaseInductancemHPhase InductanceOhm57A0921.80.92.81.20.857A121.81.32.82.11.057A221.82.24.01.80.8ModelPhaseNumberof LeadsRotor inertia(g.cm²)Shaft Diameter mmWeightkgBody Lengthmm57A09242606.350.65557A1244606.351.07657A22446081.180The above are representative products, derivative products can be made according to customer requirements.