![]()
The αSTEP AZ Series stepper motor offers closed loop control, substantially reduces heat generation from the motor and by incorporating the newly developed Mechanical Absolute Encoder, absolute-type positioning is available, without battery back up or external sensors to buy.
Compatible Motors
| Lead Time1 | Up to 5 pcs as of 6:30am EST Estimated Ship: 12/08/2025 | 
                                                                                Return Policy | 
                                                                        - This product cannot be cancelled or returned once the order has been processed. | 
                                                                                Product Line | 
                                                                        - Oriental Motor® | 
                                                                                Frame Size | 
                                                                        - 1.65 in42 mm | 
                                                                                Motor Length | 
                                                                        - 4.17 in.106 mm | 
                                                                                Driver Voltage Input Power | 
                                                                        - AC | 
                                                                                Speed-Torque Characteristics | 
                                                                        
                                                                            
                                                                                    
                                                                                        -
                                                                                        ![]() Loading zoom  | 
                                                    
                                                                                Holding Torque | 
                                                                        - 170 oz-in1.20 N·m | 
                                                                                Holding Torque at Motor Standstill | 
                                                                        - 142 oz-in1 N·m | 
                                                                                Type | 
                                                                        - Mechanical Absolute Encoder | 
                                                                                Shaft/Gear Type | 
                                                                        - Taper Hobbed Gear | 
                                                                                Gear Ratio (X:1) | 
                                                                        - 7.2 :1 | 
                                                                                Backlash | 
                                                                        - 25 arc min (0.42°) | 
                                                                                Shaft | 
                                                                        - Single | 
                                                                                Electromagnetic Brake | 
                                                                        - Not Equipped | 
                                                                                Connection Type | 
                                                                        - Connector | 
                                                                                Cable Direction | 
                                                                        - Left | 
                                                                                Resolution (Resolution Setting: 1000 P/R) | 
                                                                        - 0.05 °/Pulse | 
                                                                                Permissible Speed Range (r/min) | 
                                                                        - 0 ~ 416 | 
                                                                                Rotor Inertia | 
                                                                        - 0.30 oz-in²55x10-7 kg·m² | 
                                                                                Stop Position Accuracy | 
                                                                        - ±4 arc minutes (±0.067º) | 
                                                                                Shaft Runout | 
                                                                        - 0.05 mm (0.002 in.) T.I.R. | 
                                                                                Concentricity | 
                                                                        - 0.075 mm (0.003 in.) T.I.R. | 
                                                                                Perpendicularity | 
                                                                        - 0.075 mm (0.003 in.) T.I.R. | 
                                                                                Permissible Overhung Load | 
                                                                        - 0 in. from Shaft End = 4.5 lb0.2 in. from Shaft End = 6.7 lb0.39 in. from Shaft End = 9 lb0.59 in. from Shaft End = 11.2 lb0 mm from Shaft End = 20 N5 mm from Shaft End = 30 N10 mm from Shaft End = 40 N15 mm from Shaft End = 50 N | 
                                                                                Permissible Axial Load | 
                                                                        - 3.3 lb15 N | 
                                                                                RoHS Compliant | 
                                                                        - These products do not contain substances that exceed the regulation values in the RoHS Directive. | 
                                                                                Safety Standards | 
                                                                        - UL CSA CE | 
                                                                                CE Marking | 
                                                                        - Low Voltage Directives EMC Directives | 
                                                                                California Proposition 65 | 
                                                                        
                                                                            
                                                                                    
                                                                                        -
                                                                                        ⚠ CA WARNING Cancer risk from exposure to Nickel. See www.P65Warnings.ca.gov Risk of reproductive harm from exposure to Di-n-hexyl phthalate (DnHP). See www.P65Warnings.ca.gov Risk of cancer and reproductive harm from exposure to Di(2-ethylhexyl phthalate (DEHP). See www.P65Warnings.ca.gov See "?" or copy/paste www.P65Warnings.ca.gov in your browser.  | 
                                                    
                                                                                Insulation Class | 
                                                                        
                                                                            
                                                                                    
                                                                                        -
                                                                                        Class B [130ºC (266ºF)] [Recognized as 105 (A) by UL.]  | 
                                                    
                                                                                Insulation Resistance | 
                                                                        
                                                                            
                                                                                    
                                                                                        -
                                                                                        100 MΩ or more when 500 VDC megger is applied between the following places: Case - Motor and sensor windings  | 
                                                    
                                                                                Dielectric Strength | 
                                                                        
                                                                            
                                                                                    
                                                                                        -
                                                                                        Sufficient to withstand the following for 1 minute: Case - Motor and sensor windings 1.5 kVAC 50 Hz or 60 Hz  | 
                                                    
                                                                                Ambient Temperature | 
                                                                        - 0 ~ 40ºC (32 ~ 104ºF) (non-freezing) | 
                                                                                Ambient Humidity | 
                                                                        - 85% or less (Non-condensing) | 
                                                                                Degree of Protection | 
                                                                        - IP66 when connecting the connection cable (excluding the mounting surface and connector on the driver side of the connection cable) | 
| 
                                                                         
                                                                              | 
                                                    
| 
                                                                         
                                                                              | 
                                                    
| 
                                                                         
                                                                              | 
                                                    
| 
                                                                         
                                                                              |