{"product_id":"muweidu-k4020-motor","title":"MUWEIDU K4020 (25\/40T) 12V Brushless DC Servo Motor, 18bit Encoder, RS485\/CAN, 65g","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/rcdrone.top\/collections\/muweidu-motor\" title=\"MUWEIDU Motor\"\u003eMUWEIDU\u003c\/a\u003e K4020 Motor is a K Series mid-to-high speed brushless DC \u003ca href=\"https:\/\/rcdrone.top\/collections\/servo-motors\" title=\"Servo Motor\"\u003eservo motor\u003c\/a\u003e with an integrated electric drive design (built-in driver and magnetic encoder). It supports speed\/position control and provides RS485 or CAN communication for robotics and automation integrations.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh-performance FOC servo motor\u003c\/li\u003e\n\u003cli\u003eIntegrated motor + driver design\u003c\/li\u003e\n\u003cli\u003eBuilt-in magnetic encoder (spec: 18bit); encoder precision upgrade is referenced from 14-bit to 18-bit\u003c\/li\u003e\n\u003cli\u003eMotor temperature monitoring: YES\u003c\/li\u003e\n\u003cli\u003eOptimized motor cogging torque\u003c\/li\u003e\n\u003cli\u003ePWM input supported\u003c\/li\u003e\n\u003cli\u003ePC-based parameter tuning \/ testing \/ firmware upgrade available\u003c\/li\u003e\n\u003cli\u003eCompatible with open-source development platforms including PC, MCU, PLC, industrial computer and Raspberry Pi\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\u003eInspection robots\u003c\/li\u003e\n\u003cli\u003eHandheld camera systems\u003c\/li\u003e\n\u003cli\u003eLiDAR systems\u003c\/li\u003e\n\u003cli\u003eGimbal pods\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\u003eK4020 (25\/40T)\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\u003e1.44A \/ 0.81A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power\u003c\/td\u003e\n\u003ctd\u003e14W \/ 4.6W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Torque\u003c\/td\u003e\n\u003ctd\u003e0.07 N.m \/ 0.06 N.m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Torque\u003c\/td\u003e\n\u003ctd\u003e0.25 N.m \/ 0.12 N.m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Speed\u003c\/td\u003e\n\u003ctd\u003e1600 rpm \/ 700 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder\u003c\/td\u003e\n\u003ctd\u003e18bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Inertia\u003c\/td\u003e\n\u003ctd\u003e56 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 × 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\u003ch2\u003eInterface Definition\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eID switch\u003c\/li\u003e\n\u003cli\u003eCAN\/RS485 connector\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable\u003e\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\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\/K4020.STEP?v=1767285420\" rel=\"noopener\" target=\"_blank\"\u003eMUWEIDU_K4020_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_K4020_Product_structure_diagram.pdf?v=1767284876\" rel=\"noopener\" target=\"_blank\"\u003eMUWEIDU_K4020_Product_structure_diagram.pdf\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor integration questions (RS485\/CAN wiring, ID switch setup, or software configuration), contact support at support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"MUWEIDU K4020 12V brushless DC servo motor with integrated driver and 18-bit encoder, compact round housing\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MUWEIDU-K4020-Motor.jpg?v=1779984051\"\u003e\u003cp\u003eA compact K-series FOC servo \u003ca href=\"https:\/\/rcdrone.top\/collections\/robot-motors\" title=\"Robot Motor\"\u003emotor\u003c\/a\u003e designed for speed\/position control in robotics and automation builds.\u003c\/p\u003e\n\u003cimg alt=\"Exploded view of integrated motor, built-in driver board and magnetic encoder assembly for the K4020 servo motor\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MUWEIDU-K4020-Motor_a5a67dba-f65d-41c1-af0c-5426559712f3.jpg?v=1779984060\"\u003e\u003cp\u003eIntegrated motor + driver construction helps simplify wiring while keeping the \u003ca href=\"https:\/\/rcdrone.top\/collections\/servo-actuators\" title=\"Servo Actuator\"\u003eactuator\u003c\/a\u003e lightweight.\u003c\/p\u003e\n\u003cimg alt=\"K4020 servo motor interface pinout with ID switch and CAN\/RS485 connector labeling for power and signal pins\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MUWEIDU-K4020-2540T-12V-Brushless-DC-Servo-Motor-18bit_6a875f4a-a1aa-4f5c-82bc-c0026e259b79.webp?v=1779984235\"\u003e\u003cp\u003eClear pin labeling for CAN\/RS485, power, and UART lines makes bench setup and multi-node addressing easier.\u003c\/p\u003e\n\u003cimg alt=\"PC-based tuning and testing software interface for servo parameter setup, control modes, and firmware upgrade support\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MUWEIDU-K4020-Motor_a5244500-d4c1-443d-a263-3fc560226e8d.jpg?v=1779984073\"\u003e\u003cimg alt=\"Application scenarios for the K4020 servo motor, including inspection robots, handheld cameras, LiDAR and gimbal pods\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MUWEIDU-K4020-Motor_f94b2785-8195-41fa-bbf7-1d377038198f.jpg?v=1779984081\"\u003e\n\u003c\/div\u003e","brand":"MUWEIDU","offers":[{"title":"K4020 Motor \/ RS485 \/ 25","offer_id":52838661488864,"sku":"MUWEIDU_K4020_1e85c2-1","price":173.0,"currency_code":"USD","in_stock":true},{"title":"K4020 Motor \/ RS485 \/ 40","offer_id":52838661521632,"sku":"MUWEIDU_K4020_1e85c2-2","price":173.0,"currency_code":"USD","in_stock":true},{"title":"K4020 Motor \/ CAN \/ 25","offer_id":52838661554400,"sku":"MUWEIDU_K4020_1e85c2-3","price":173.0,"currency_code":"USD","in_stock":true},{"title":"K4020 Motor \/ CAN \/ 40","offer_id":52838661587168,"sku":"MUWEIDU_K4020_1e85c2-4","price":173.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/MUWEIDU-K4020-2540T-12V-Brushless-DC-Servo-Motor-18bit.jpg?v=1779984178","url":"https:\/\/rcdrone.top\/products\/muweidu-k4020-motor","provider":"RCDrone","version":"1.0","type":"link"}