{"product_id":"muweidu-l4020-motor","title":"MUWEIDU L4020 Motor 12V 450rpm Brushless DC Servo Motor, RS485\/CAN, 15\/18-bit Encoder, 65g","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/rcdrone.top\/collections\/muweidu-motor\" title=\"MUWEIDU Motor\"\u003eMUWEIDU\u003c\/a\u003e L4020 Motor is a low-speed, high-precision brushless DC \u003ca href=\"https:\/\/rcdrone.top\/collections\/servo-motors\" title=\"Servo Motor\"\u003eservo motor\u003c\/a\u003e with an integrated electric drive system, designed for speed\/position control in robotics and automation. It supports RS485 or CAN communication and offers encoder options of 15-bit or 18-bit. For pre-sales and integration questions, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSeries of low-speed \u0026amp; high-precision brushless DC motors (servo motors)\u003c\/li\u003e\n\u003cli\u003eHollow-shaft design\u003c\/li\u003e\n\u003cli\u003eStable \u0026amp; smooth operation\u003c\/li\u003e\n\u003cli\u003eCE certified\u003c\/li\u003e\n\u003cli\u003eIntegrated high precision; lightweight construction; high torque performance\u003c\/li\u003e\n\u003cli\u003eMeets the requirements of low-speed and high-precision position control\u003c\/li\u003e\n\u003cli\u003eHigh-performance 32-bit MCU: MS Series fully compatible with all control commands of the MF Series\u003c\/li\u003e\n\u003cli\u003eOuter rotor multi-stage flattened design for higher torque in space-constrained applications\u003c\/li\u003e\n\u003cli\u003eBrushless structure with high-performance bearings for smoother rotation and longer service life\u003c\/li\u003e\n\u003cli\u003eHigh-precision, low-temperature-drift alloy resistors for accurate current sampling and control\u003c\/li\u003e\n\u003cli\u003eFull N-channel three-phase full-bridge drive with low internal resistance and high current output\u003c\/li\u003e\n\u003cli\u003eSupports seamless switching between torque open-loop, speed, and position control modes\u003c\/li\u003e\n\u003cli\u003eOne-time calibration, zero position never lost\u003c\/li\u003e\n\u003c\/ul\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\u003cli\u003e360° camera\u003c\/li\u003e\n\u003cli\u003eHandheld camera\u003c\/li\u003e\n\u003cli\u003eLiDAR\u003c\/li\u003e\n\u003cli\u003eGimbal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eL4020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated voltage\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated current\u003c\/td\u003e\n\u003ctd\u003e0.65A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power\u003c\/td\u003e\n\u003ctd\u003e3.4W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated torque\u003c\/td\u003e\n\u003ctd\u003e0.07 N.m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak torque\u003c\/td\u003e\n\u003ctd\u003e0.1 N.m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated speed\u003c\/td\u003e\n\u003ctd\u003e450 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder\u003c\/td\u003e\n\u003ctd\u003e15-bit or 18-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor inertia\u003c\/td\u003e\n\u003ctd\u003e52 gcm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor temperature monitoring\u003c\/td\u003e\n\u003ctd\u003eYES\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl modes\u003c\/td\u003e\n\u003ctd\u003eSpeed\/Position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication protocol\u003c\/td\u003e\n\u003ctd\u003eRS485 or CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall dimensions\u003c\/td\u003e\n\u003ctd\u003eΦ39.6 mm x 23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e65 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDrive \/ Control (as stated)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInput voltage: 12~60V\u003c\/li\u003e\n\u003cli\u003eBus communication: CAN or RS485\u003c\/li\u003e\n\u003cli\u003eMain control: 32-bit MCU with 72 MHz operating frequency\u003c\/li\u003e\n\u003cli\u003ePrecision feedback: 18-bit single-turn absolute encoder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eControl Modes (PC-based parameter tuning \/ testing \/ firmware upgrade available)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTorque Mode\u003c\/li\u003e\n\u003cli\u003eSpeed Mode\u003c\/li\u003e\n\u003cli\u003eMulti-Turn Control Mode\u003c\/li\u003e\n\u003cli\u003eSingle-Turn Position + Direction Mode\u003c\/li\u003e\n\u003cli\u003eIncremental Position Mode\u003c\/li\u003e\n\u003cli\u003eMulti-Turn Control Mode (with speed limit)\u003c\/li\u003e\n\u003cli\u003eSingle-Turn Position + Direction Mode (with speed limit)\u003c\/li\u003e\n\u003cli\u003eIncremental Position Mode (with speed limit)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncoder Motor (15-bit vs 18-bit) — Additional Listed Parameters\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003e15-bit Encoder Motor\u003c\/th\u003e\n\u003cth\u003e18-bit Encoder Motor\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eName\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eL4020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver model\u003c\/td\u003e\n\u003ctd\u003eD540v3\u003c\/td\u003e\n\u003ctd\u003eD540v3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder resolution (bit)\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder accuracy (°)\u003c\/td\u003e\n\u003ctd\u003e0.02\u003c\/td\u003e\n\u003ctd\u003e0.005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder magnet\u003c\/td\u003e\n\u003ctd\u003eHollow Magnet\u003c\/td\u003e\n\u003ctd\u003eHollow Magnet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlip ring compatible\u003c\/td\u003e\n\u003ctd\u003eYES\u003c\/td\u003e\n\u003ctd\u003eNO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpen-loop control frequency\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e24 KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed loop control frequency\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e8 KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition loop control frequency\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e8 KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive PWM frequency\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e24 KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus type\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eRS485 or CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS485 baud rate\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e9600, 19200, 38400, 57600, 115200, 230400, 460800, 1 Mbps, 2 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN baud rate\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e100K, 125K, 250K, 500K, 1 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eInterface Definition (CAN\/RS485)\u003c\/h3\u003e\u003cp\u003eConnector pins are labeled: B, A, V-, V-, V+, V+, T, R, G. An \u003cstrong\u003eID SWITCH\u003c\/strong\u003e is provided.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003cth\u003eNote\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eB\/L\u003c\/td\u003e\n\u003ctd\u003eRS485-B or CAN-L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/H\u003c\/td\u003e\n\u003ctd\u003eRS485-A or CAN-H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eV-\u003c\/td\u003e\n\u003ctd\u003eNegative power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eV-\u003c\/td\u003e\n\u003ctd\u003eNegative power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eV+\u003c\/td\u003e\n\u003ctd\u003ePositive power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eV+\u003c\/td\u003e\n\u003ctd\u003ePositive power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT\u003c\/td\u003e\n\u003ctd\u003eUART transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR\u003c\/td\u003e\n\u003ctd\u003eUART receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eG\u003c\/td\u003e\n\u003ctd\u003eSignal GND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eManuals \/ Documents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/L4020.STEP?v=1766410717\" rel=\"noopener\" target=\"_blank\"\u003eMUWEIDU_L4020_Motor.STP\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/MUWEIDU_PRODUCT_MANUAL.pdf?v=1766499117\" rel=\"noopener\" target=\"_blank\"\u003eMUWEIDU_PRODUCT_MANUAL.pdf\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/MUWEIDU_L4020_Product_structure_diagram.pdf?v=1766410715\" rel=\"noopener\" target=\"_blank\"\u003eMUWEIDU_L4020_Product_structure_diagram.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=\"MUWEIDU L4020 mini brushless DC servo motor series with hollow-shaft design and CE certification highlights\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MUWEIDU-L4020-Motor.jpg?v=1779987973\"\u003e\u003cp\u003eDesigned for low-speed, high-precision motion control, the L4020 combines a hollow-shaft layout with stable, smooth operation.\u003c\/p\u003e\n\u003cimg alt=\"Integrated electric drive system features for MUWEIDU L4020 servo motor, including outer rotor design and smooth bearings\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MUWEIDU-L4020-Motor_cf4de568-b9e8-464e-b1c8-c5bfcd124af0.jpg?v=1779987983\"\u003e\u003cp\u003eAn integrated drive system supports low-speed, high-precision position control with a torque-focused outer-rotor structure and durable bearings.\u003c\/p\u003e\n\u003cimg alt=\"Servo motor drive board specs: 12–60V input, CAN or RS485 communication, 32-bit MCU, 18-bit absolute encoder feedback\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MUWEIDU-L4020-Motor_d491ea15-b949-4159-b0ca-29771e76f203.jpg?v=1779987996\"\u003e\u003cp\u003eCAN\/RS485 bus communication and an onboard 32-bit controller enable flexible speed, torque, and position control setups.\u003c\/p\u003e\n\u003cimg alt=\"L4020 interface and pinout guide with ID switch and CAN\/RS485 connector wiring labels for A\/H, B\/L, V+, V-, T, R, G\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MUWEIDU-L4020-Motor_1c9cf469-4843-4553-a31b-c3d48da0f679.jpg?v=1779988006\"\u003e\u003cp\u003eClear interface labeling helps streamline wiring, with an ID switch and dedicated CAN\/RS485 connections for multi-device networks.\u003c\/p\u003e\n\u003cimg alt=\"PC-based parameter tuning software view with multiple control modes plus L4020 15-bit vs 18-bit encoder motor comparison table\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MUWEIDU-L4020-Motor_1de07990-f5fd-4927-aaff-141713fb2e19.jpg?v=1779988014\"\u003e\u003cp\u003ePC-based tuning supports testing and firmware upgrades, with encoder options available in 15-bit or 18-bit configurations.\u003c\/p\u003e\n\u003cimg alt=\"Application scenarios for L4020 servo motor: 360° camera, handheld camera, LiDAR, and gimbal automation examples\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MUWEIDU-L4020-Motor_9bdf9b52-7795-4937-b5d1-1abfb9a2a098.jpg?v=1779988022\"\u003e\u003cp\u003eSkip for compact use-case collage where nearby text already lists typical applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"MUWEIDU","offers":[{"title":"L4020 Motor \/ RS485 \/ 15bit (Mountable Slip Ring)","offer_id":52839934623968,"sku":"MUWEIDU_L4020_9008c0-1","price":152.0,"currency_code":"USD","in_stock":true},{"title":"L4020 Motor \/ RS485 \/ 18bit (High Precision)","offer_id":52839934656736,"sku":"MUWEIDU_L4020_9008c0-2","price":152.0,"currency_code":"USD","in_stock":true},{"title":"L4020 Motor \/ CAN \/ 15bit (Mountable Slip Ring)","offer_id":52839934689504,"sku":"MUWEIDU_L4020_9008c0-3","price":152.0,"currency_code":"USD","in_stock":true},{"title":"L4020 Motor \/ CAN \/ 18bit (High Precision)","offer_id":52839934722272,"sku":"MUWEIDU_L4020_9008c0-4","price":152.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/MUWEIDU-L4020-Motor-12V-450rpm-Brushless-DC-Servo-Motor.jpg?v=1779988145","url":"https:\/\/rcdrone.top\/products\/muweidu-l4020-motor","provider":"RCDrone","version":"1.0","type":"link"}