{"product_id":"kpower-m0300-servo","title":"Kpower M0300 Servo Motor 4.5 kg.cm, 0.12s\/60°, Metal Gear, PWM\/TTL\/RS-485 for Robotics Joints","description":"\u003cdiv\u003e\n\u003cdiv style=\"max-width: 1300px; width: 100%; margin: auto; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.1); background-color: #000;\"\u003e\u003cvideo autoplay=\"autoplay\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/705b66cb003f4406a5688d8f09e66b9b.mp4\" style=\"width: 100%; height: auto; display: block;\"\u003eYour browser does not support the video tag.\u003c\/video\u003e\u003c\/div\u003e\n\u003cdiv style=\"max-width: 1300px; width: 100%; margin: auto; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,0.1); background-color: #000;\"\u003e\u003cvideo autoplay=\"autoplay\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/6c1e8153045445a5b3ea925afdff9e51.mp4\" style=\"width: 100%; height: auto; display: block;\"\u003eYour browser does not support the video tag.\u003c\/video\u003e\u003c\/div\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Kpower M0300 servo motor is a compact actuator for robotics and motion-control projects, labeled as an analog servo. It uses a DC brushed motor with a potentiometer position sensor and metal gears, and supports multiple control protocols: PWM | TTL | RS-485.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision machined metal gear train\u003c\/li\u003e\n\u003cli\u003eHigh-speed response\u003c\/li\u003e\n\u003cli\u003ePotentiometer position feedback (long lifespan potentiometer)\u003c\/li\u003e\n\u003cli\u003eDual ball bearings (2BB)\u003c\/li\u003e\n\u003cli\u003eServo plug wire: JR, FUTABA\u003c\/li\u003e\n\u003cli\u003eTravel angle range: 120° (customizable); standard angle options shown: 120°, 180°, 270°, 360°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%; border-collapse:collapse; min-width:720px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:10px; border-bottom:1px solid #ddd;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"text-align:left; padding:10px; border-bottom:1px solid #ddd;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eItem Name\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eM0300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eStall Torque\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e4.5 kg (also shown as 4.5 kg.cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eRated Torque\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eNo-load Speed\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e0.12 s (also shown as 0.12 s\/60°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e58 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eDimension\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e40.7 × 19.8 × 37.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eTravel Angle Range\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e120° (Customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e4.8 ~ 8.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eHorn Gear Spline\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e25T φ5.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eGear Material\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eMotor\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eDC Brushed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eProtocol\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003ePWM | TTL | RS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eNo-load Current\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e2500 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003ePosition Sensor\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003ePotentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eCase Material\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eBall Bearing\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e2BB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eWorking Frequency\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e50 ~ 333 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e-10 ~ 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eIP Rating\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eIP42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eApplication Scenarios\u003c\/h2\u003e\n\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\u003eRobot joint\u003c\/li\u003e\n\u003cli\u003eR\/C model\u003c\/li\u003e\n\u003cli\u003eIndustrial equipment\u003c\/li\u003e\n\u003cli\u003eEducation robot kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eControl Signal Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTypical PWM reference shown: a pulse every 20 ms (20 ms per cycle).\u003c\/li\u003e\n\u003cli\u003eExample pulse widths shown: 0.5 ms, 1 ms, 1.5 ms, 2 ms, 2.5 ms.\u003c\/li\u003e\n\u003cli\u003eExample output shaft angles shown: -90°, -45°, -0°, 45°, 90°.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eManuals\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Kpower-M0300-Drawing.pdf?v=1780727528\" rel=\"noopener\" target=\"_blank\"\u003eKpower-M0300-Drawing.pdf\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Kpower_Servo_Product_Manual-3.pdf?v=1781066839\" rel=\"noopener\" target=\"_blank\"\u003eKpower_Servo_Product_Manual.pdf\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Kpower M0300 servo motor analog actuator with metal gear output spline and JR\/Futaba lead\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor.jpg?v=1782385616\"\u003e\u003cp\u003eA compact M0300 analog servo built for robotics joints and motion-control builds, with metal gears and position feedback.\u003c\/p\u003e\n\u003cimg alt=\"Kpower M0300 servo motor side view with mounting tabs, output shaft and 3-wire servo lead\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_0aa8483e-dde3-414b-b0eb-7f4d54883ba4.jpg?v=1782385625\"\u003e\u003cp\u003eMounting ears and a standard 3‑wire servo lead make it easy to integrate into brackets, arms, and robot frames.\u003c\/p\u003e\n\u003cimg alt=\"Kpower M0300 servo motor specs table showing 4.5 kg·cm torque, 0.12 s\/60° speed and PWM\/TTL\/RS-485\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_1a4adce8-9c8c-485c-9c10-2342bd33744d.jpg?v=1782385633\"\u003e\u003cp\u003eKey specs at a glance, including torque, speed, size\/weight, and supported control protocols.\u003c\/p\u003e\n\u003cimg alt=\"M Series servo feature graphic highlighting precision machined metal gears, fast response and long-life potentiometer\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_53404cc6-ea57-4fef-836c-cb5bfc34aa28.jpg?v=1782385644\"\u003e\u003cp\u003eDesigned around a precision metal gear train for quick response and reliable potentiometer-based position feedback.\u003c\/p\u003e\n\u003cimg alt=\"Servo selection overview with torque, rotation angle, speed, voltage and control protocol notes for different servo types\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_1ef8a493-17e2-4fa5-ae87-4503613e5da3.jpg?v=1782385653\"\u003e\u003cp\u003eUse these reference ranges to match rotation angle, speed, and operating voltage to your project requirements.\u003c\/p\u003e\n\u003cimg alt=\"Servo horn styles: flat, cross, round and star horn options for different linkage and mounting needs\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_d9bda6e1-9962-43e8-86b1-cfe8280f1784.jpg?v=1782385658\"\u003e\u003cp\u003eMultiple horn styles support different linkage geometries, from direct arms to round plates and multi-point mounts.\u003c\/p\u003e\n\u003cimg alt=\"PWM pulse width to servo angle chart with 20 ms cycle and example pulses from 0.5 ms to 2.5 ms\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_a0ae0829-0b3e-49e5-b787-3d6367aecb27.jpg?v=1782385666\"\u003e\u003cp\u003ePWM control mapping helps you set consistent angles by adjusting pulse width within each 20 ms control cycle.\u003c\/p\u003e\n\u003cimg alt=\"Custom servo motor services graphic listing appearance, torque, protocol and wiring customization options\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_ae1999de-5295-4678-b166-5625efbc6bd0.jpg?v=1782385673\"\u003e\u003cp\u003eFor OEM\/ODM builds, configuration can be tailored across torque targets, protocols, wiring, and protection features.\u003c\/p\u003e\n\u003cimg alt=\"Stall torque vs speed\/current chart with recommendation to use about one-quarter stall torque as rated torque\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_a2683387-92d5-47f9-80d1-cd090cc71113.jpg?v=1782385682\"\u003e\u003cp\u003eA quick sizing reminder: continuous torque is typically selected well below stall torque for stable operation.\u003c\/p\u003e\n\u003cimg alt=\"3-pin servo connector pinout: brown GND, red Vcc, orange signal for standard servo wiring\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_e7a8fe4a-4900-46f3-9884-ecbe6dfd9269.jpg?v=1782385690\"\u003e\u003cp\u003eStandard servo pinout wiring: brown for ground, red for power, and orange for the control signal.\u003c\/p\u003e\n\u003cimg alt=\"Exploded servo motor diagram labeling horn, housing, gear stages, bearings, motor, potentiometer and PCB\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_2fa3ea07-4aa3-461a-8d2c-0e3bad387854.jpg?v=1782385698\"\u003e\u003cp\u003eInternal layout overview covering the gear stages, bearings, DC motor, and potentiometer position sensor.\u003c\/p\u003e\n\u003cimg alt=\"Cross-industries drive solution collage showing example applications like smart home, robotics, automation and drones\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_1b26bbc0-fe18-4c98-817d-911d45ff91b1.jpg?v=1782385710\"\u003e\u003cp\u003eFits a wide range of motion and actuation use cases, from educational robots to automation prototypes.\u003c\/p\u003e\n\u003cimg alt=\"Product-oriented ODM service process timeline from needs evaluation through design, sampling and mass production\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-M0300-Servo-Motor_a5790ad7-18c2-4972-8e4f-26a8d1789607.jpg?v=1782385718\"\u003e\u003cp\u003eA structured development path is available when you need a servo solution taken from concept through production.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Kpower","offers":[{"title":"M0300","offer_id":47919593554150,"sku":"Kpower_M0300_6d971a-1","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/Kpower-M0300-Servo-Motor-45-kgcm-012s60-Metal-Gear.jpg?v=1782386019","url":"https:\/\/robotdoo.com\/products\/kpower-m0300-servo","provider":"RobotDoo","version":"1.0","type":"link"}