{"product_id":"unitree-a1-motor","title":"Unitree A1 Motor Integrated Actuator w\/ Planetary Reducer, RS-485, 33.5 NM, 21.0 rad\/s @24VDC","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eUnitree A1 Motor is an integrated motor actuator for robotics joints and other compact, high-load motion systems. It is described as stable and efficient, maintenance convenient, with an ultra-thin design fuselage and an extreme-optimized planetary reducer. The motor weight is stated as 605 g.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStrong power; highly integrated structure\u003c\/li\u003e\n\u003cli\u003eExtreme-optimized planetary reducer\u003c\/li\u003e\n\u003cli\u003eCrossed roller bearing (also described as oversized industrial grade), stated as resistant to axial impact with high precision and long life\u003c\/li\u003e\n\u003cli\u003eTemperature sensor and position sensor\u003c\/li\u003e\n\u003cli\u003eLow copper consumption coil\u003c\/li\u003e\n\u003cli\u003eFOC control characteristic plot provided (described as low torque ripple, low noise, smoother operation)\u003c\/li\u003e\n\u003cli\u003eReal-time reading of sensor data:\n    \u003cul\u003e\n\u003cli\u003eMotor sensing feedback: Torque, Angle, Angular Velocity, Angular Acceleration, Temperature\u003c\/li\u003e\n\u003cli\u003eMotor control instruction: Torque, Angle, Angular Velocity, Stiffness, Damping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eA1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eAbout 605 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Current\u003c\/td\u003e\n\u003ctd\u003e40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Rotational Speed\u003c\/td\u003e\n\u003ctd\u003e21.0 rad\/s (@24VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduction Ratio\u003c\/td\u003e\n\u003ctd\u003e1:9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Torque\u003c\/td\u003e\n\u003ctd\u003e33.5 NM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque Constant\u003c\/td\u003e\n\u003ctd\u003e0.8732 Nm\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Mode\u003c\/td\u003e\n\u003ctd\u003eRS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Control Frequency\u003c\/td\u003e\n\u003ctd\u003e1000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Encoder Resolution\u003c\/td\u003e\n\u003ctd\u003e15 bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Voltage\u003c\/td\u003e\n\u003ctd\u003e12V~30VDC (24VDC recommend)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Perceptual Feedback\u003c\/td\u003e\n\u003ctd\u003eTorque, Angle, Angular Velocity, Angular Acceleration, Temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Control instruction\u003c\/td\u003e\n\u003ctd\u003eTorque, Angle, Angular Velocity, Stiffness, Damping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHumanoid robots\u003c\/li\u003e\n\u003cli\u003eRobotic arms\u003c\/li\u003e\n\u003cli\u003eExoskeletons\u003c\/li\u003e\n\u003cli\u003eQuadruped robots\u003c\/li\u003e\n\u003cli\u003eAGV vehicles\u003c\/li\u003e\n\u003cli\u003eARU robots\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh-Speed Single-Channel RS-485 Communication Module × 1\u003c\/li\u003e\n\u003cli\u003eXT30 Power Cable × 1\u003c\/li\u003e\n\u003cli\u003eGH1.25 Data Cable × 1\u003c\/li\u003e\n\u003cli\u003eXT30 (2+2) Power \u0026amp; Signal Cable × 1\u003c\/li\u003e\n\u003cli\u003eXT30 (2+2) Adapter Board × 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFiles\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Unitree_A1_Motor.STEP?v=1757516776\" rel=\"noopener\" target=\"_blank\"\u003eUnitree_A1_Motor.STEP\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Unitee_A1_Motor_instalation_drawing.pdf?v=1749306591\" rel=\"noopener\" target=\"_blank\"\u003eUnitee_A1_Motor_instalation_drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Unitree A1 Motor integrated actuator with ultra-thin housing and optimized planetary reducer (605 g)\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-A1-Motor.jpg?v=1781582068\"\u003e\u003cp\u003eUnitree A1 Motor integrates the actuator and reducer into a compact, ultra-thin joint module for high-load robotic motion.\u003c\/p\u003e\n\u003cimg alt=\"Key feature icons: strong power, integrated structure, crossed roller bearing, sensors, and low copper coil\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-A1-Motor_bae86158-c9f5-471f-ab1e-0a3e875e9bde.jpg?v=1781582076\"\u003e\u003cimg alt=\"Performance slide highlighting instant burst of power with peak torque and speed callouts for robotics joints\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-A1-Motor_0ecd5804-4d69-4ee2-9141-4690174c5726.jpg?v=1781582084\"\u003e\u003cp\u003eHigh burst output supports agile motion in compact robotic joints where fast acceleration and stable control matter.\u003c\/p\u003e\n\u003cimg alt=\"Cutaway view describing high-quality windings and stator design for improved heat dissipation and durability\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-A1-Motor_1642b05f-2c77-4cd0-ac83-e4cc8586bd1c.jpg?v=1781582092\"\u003e\u003cp\u003eHigh-quality windings and stator construction are designed to reduce resistance while improving thermal performance.\u003c\/p\u003e\n\u003cimg alt=\"Unitree A1 Motor front and rear views with ports, crossed roller bearing, and RS-485 sensing\/control list\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-A1-Motor_40b977ef-df10-4597-8522-781b09887e39.jpg?v=1781582100\"\u003e\u003cp\u003eA highly integrated layout combines crossed roller bearing support with RS-485 communication for real-time feedback and control commands.\u003c\/p\u003e\n\u003cimg alt=\"Magnetic circuit optimization heatmap of the motor stator for improved flux use and reduced cogging torque\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-A1-Motor_7c5bfd27-2e0e-49e0-8dab-199e6ae99fa9.jpg?v=1781582108\"\u003e\u003cimg alt=\"Motor streamline simulation graphic illustrating airflow\/velocity distribution around the rotating assembly\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-A1-Motor_ad299282-4db4-4d6f-9067-32f8264a8619.jpg?v=1781582119\"\u003e\u003cimg alt=\"Temperature monitoring sensor visualization with thermal map for protecting the motor under abnormal heat\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-A1-Motor_8ea11795-33a3-4a09-8bf5-28a7f7eec243.jpg?v=1781582127\"\u003e\u003cp\u003eBuilt-in temperature monitoring helps protect the actuator during demanding duty cycles and abnormal heat conditions.\u003c\/p\u003e\n\u003cimg alt=\"FOC control characteristic plot indicating low torque ripple, low noise, and smoother operation curve\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-A1-Motor_7261d7da-d2ed-49f4-bcfb-bb5e1378cb2a.jpg?v=1781582136\"\u003e\u003cimg alt=\"Packing list for included accessories: RS-485 module, XT30 power cable, GH1.25 data cable, and adapter\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-A1-Motor.png?v=1781582144\"\u003e\u003cp\u003eEach package includes the RS-485 communication module plus the required XT30 power and GH1.25 data cabling.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Unitree","offers":[{"title":"A1 Motor","offer_id":47885291028710,"sku":"Unitree_A1_Mo_4d3814-1","price":665.0,"currency_code":"USD","in_stock":true},{"title":"A1 Motor With Packing List 1","offer_id":47885291061478,"sku":"Unitree_A1_Mo_4d3814-2","price":725.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/Unitree-A1-Motor-Integrated-Actuator-w-Planetary-Reducer.png?v=1781582283","url":"https:\/\/robotdoo.com\/products\/unitree-a1-motor","provider":"RobotDoo","version":"1.0","type":"link"}