{"product_id":"kpower-hbl045-servo","title":"Kpower HBL045 HV Brushless Digital Servo Motor, Metal Gear, 25T Spline, PWM\/TTL\/RS-485, IP42","description":"\u003cvideo autoplay=\"autoplay\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/b78caa403bcc40a39118298fdfe4df1f.mp4\" style=\"width: 100%; height: auto; display: block;\"\u003e\n  Your browser does not support the video tag.\n\u003c\/video\u003e\u003cvideo autoplay=\"autoplay\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/14ece74d38184d308f8ba9089549b20f.mp4\" style=\"width: 100%; height: auto; display: block;\"\u003e\n  Your browser does not support the video tag.\n\u003c\/video\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eKpower HBL045 is an HV brushless digital servo motor designed for motion control in robotics and radio-control platforms. It features a brushless motor, metal gear train, and multiple control protocol options (PWM | TTL | RS-485).\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHigh torque brushless motor\u003c\/li\u003e\n\u003cli\u003eHigh-precision metal gear\u003c\/li\u003e\n\u003cli\u003eUltra high cycle lifespan\u003c\/li\u003e\n\u003cli\u003eProtocols: PWM | TTL | RS-485\u003c\/li\u003e\n\u003cli\u003ePosition sensor: Potentiometer\u003c\/li\u003e\n\u003cli\u003eHorn gear spline: 25T φ5.82 mm\u003c\/li\u003e\n\u003cli\u003eBall bearing: 2BB\u003c\/li\u003e\n\u003cli\u003eIP rating: IP42\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\u003eHBL045\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eHV Brushless Servo \/ Digital Servo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStall Torque\u003c\/td\u003e\n\u003ctd\u003e5.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Torque\u003c\/td\u003e\n\u003ctd\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque (listed)\u003c\/td\u003e\n\u003ctd\u003e4.5 kg.cm @ 6 V; 5.8 kg.cm @ 7.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-load Speed\u003c\/td\u003e\n\u003ctd\u003e0.03 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed (listed)\u003c\/td\u003e\n\u003ctd\u003e0.06 sec\/60 @ 6 V; 0.05 sec\/60 @ 7.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e4.8 ~ 8.4 V\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\u003ctr\u003e\n\u003ctd\u003eWeight (listed)\u003c\/td\u003e\n\u003ctd\u003e65g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension\u003c\/td\u003e\n\u003ctd\u003e40 × 20 × 39.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (listed)\u003c\/td\u003e\n\u003ctd\u003e40*20*39.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTravel Angle Range\u003c\/td\u003e\n\u003ctd\u003e120° (Customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorn Gear Spline\u003c\/td\u003e\n\u003ctd\u003e25T φ5.82 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Material\u003c\/td\u003e\n\u003ctd\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eBrushless Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003ePWM | TTL | RS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-load Current\u003c\/td\u003e\n\u003ctd\u003e3500 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition Sensor\u003c\/td\u003e\n\u003ctd\u003ePotentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Material\u003c\/td\u003e\n\u003ctd\u003ePlastic + Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall Bearing\u003c\/td\u003e\n\u003ctd\u003e2BB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Frequency\u003c\/td\u003e\n\u003ctd\u003e50 ~ 333 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10 ~ 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP42\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\u003cli\u003eUAV Drone\u003c\/li\u003e\n\u003cli\u003eR\/C Aircraft\u003c\/li\u003e\n\u003cli\u003eRadio Control Helicopters\u003c\/li\u003e\n\u003cli\u003eIndustrial Automation\u003c\/li\u003e\n\u003cli\u003eRobotics\u003c\/li\u003e\n\u003cli\u003e600H \/ 700H \/ 800H Radio Control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWiring (3-pin servo lead)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrown: GND\u003c\/li\u003e\n\u003cli\u003eRed: Vcc\u003c\/li\u003e\n\u003cli\u003eOrange: Signal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eControl Signal Reference (PWM)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInput signal pulse width (20 ms per cycle): 0.5 ms, 1 ms, 1.5 ms, 2 ms, 2.5 ms\u003c\/li\u003e\n\u003cli\u003eServo output shaft angle reference: -90°, -45°, -0°, 45°, 90°\u003c\/li\u003e\n\u003cli\u003eCompatibility note: “Our digital servos extend compatibility to 50-300Hz high-frequency signals.”\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eReference Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard angle: 120°, 180°, 270°, 360°\u003c\/li\u003e\n\u003cli\u003eStandard speed: 0.10~0.15s\/60° (~65RPM)\u003c\/li\u003e\n\u003cli\u003eAttainable speed: 0.3s\/60° (~33RPM)\u003c\/li\u003e\n\u003cli\u003eOperating voltage reference: Standard Voltage 4.8V~7.4V; High Voltage: \u0026gt; 7.4V\u003c\/li\u003e\n\u003cli\u003eServo dead band reference: Analog 1~5us, Our Servo 4us; Digital 1~3us, Our Servo 2us\u003c\/li\u003e\n\u003cli\u003eTorque selection note: “When choosing a servo, it is recommended to use one-quarter of the stall torque as the rated torque.”\u003c\/li\u003e\n\u003cli\u003eOperation model reference: Continuous; Short Time\u0026lt;10s Repeat; \u0026lt;1s, 60s Cool down\u003c\/li\u003e\n\u003cli\u003eServo horn types shown: Flat, Cross, Round, Star, Single\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eManuals\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Kpower-HBL045-Drawing.pdf?v=1780664143\" rel=\"noopener\" target=\"_blank\"\u003eKpower-HBL045-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\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Kpower HBL045 HV brushless digital servo motor with metal gear and 25T output spline, side view\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor.jpg?v=1782378028\"\u003e\u003cp\u003eDesigned for robotics and RC motion control, the HBL045 combines an HV brushless motor with a durable metal gear train.\u003c\/p\u003e\n\u003cimg alt=\"HBL series brushless servo feature graphic highlighting high torque, precision metal gears, and long cycle lifespan\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor_fb14eb57-b14f-490f-b1cf-a5cb2ad4bea3.jpg?v=1782378040\"\u003e\u003cimg alt=\"Kpower HBL045 HV brushless servo specs graphic with torque and speed ratings plus metal gear close-up\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor_7fc0818d-42e8-4d19-9bfe-e9fba421acc8.jpg?v=1782378053\"\u003e\u003cp\u003eKey performance specs and the metal gear train at a glance for fast component selection.\u003c\/p\u003e\n\u003cimg alt=\"Servo selection reference graphic covering rotation angle, speed ranges, operating voltage, and servo dead band\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor_65e85386-3368-4438-a753-e35881ebdac5.jpg?v=1782378062\"\u003e\u003cimg alt=\"Servo horn styles: flat, cross, round, star, and single arm options for different linkage setups\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor_cc51fa8f-cf2c-4197-8ad4-dd5746bd97c6.jpg?v=1782378070\"\u003e\u003cp\u003eMultiple horn shapes make it easier to match common linkages, hubs, and control arms.\u003c\/p\u003e\n\u003cimg alt=\"PWM servo pulse width chart mapping 0.5–2.5 ms signals to shaft angles and 50–300 Hz compatibility note\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor_91906658-6695-4774-9a28-6d712bc4135a.jpg?v=1782378082\"\u003e\u003cp\u003eSupports standard PWM control and higher-frequency signals commonly used in digital servo setups.\u003c\/p\u003e\n\u003cimg alt=\"Custom servo motor services graphic listing options like appearance, torque, protocols, wiring, and protection designs\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor_4f6d85c2-8402-4ace-8d53-5cd28875f723.jpg?v=1782378093\"\u003e\u003cimg alt=\"Servo torque selection chart explaining rated torque guidance as one-quarter of stall torque for continuous use\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor_51f14df2-1d49-4037-8e27-4f1d865f0832.jpg?v=1782378101\"\u003e\u003cp\u003eFor continuous motion, selecting around one-quarter of stall torque helps balance heat, load, and service life.\u003c\/p\u003e\n\u003cimg alt=\"3-pin servo connector wiring color code: brown ground, red Vcc power, orange signal line\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor_d18e3292-1ae8-45f8-87ba-e4bf2758d81d.jpg?v=1782378111\"\u003e\u003cp\u003eSimple 3-wire connection: brown for ground, red for power, and orange for the control signal.\u003c\/p\u003e\n\u003cimg alt=\"Exploded servo motor diagram labeling horn, gears, bearings, motor, potentiometer, PCB, and housing components\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor_bcfae6bf-bb9f-4b8c-8692-da3c1242e9f8.jpg?v=1782378120\"\u003e\u003cimg alt=\"Cross-industry drive solution collage with example applications like industrial automation, smart home, and UAV drones\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor_31465eb9-7152-4c4e-8b2d-8d1153a015bd.jpg?v=1782378134\"\u003e\u003cimg alt=\"Product-oriented ODM service process timeline from requirements and design through sampling, molding, and mass production\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL045-Servo-Motor_3a8e8c3e-f1a1-462d-999f-f8cf546a049b.jpg?v=1782378144\"\u003e\n\u003c\/div\u003e","brand":"Kpower","offers":[{"title":"HBL045","offer_id":47919719055590,"sku":"Kpower_HBL045_44a8a8-1","price":107.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/Kpower-HBL045-HV-Brushless-Digital-Servo-Motor-Metal-Gear.jpg?v=1782378508","url":"https:\/\/robotdoo.com\/products\/kpower-hbl045-servo","provider":"RobotDoo","version":"1.0","type":"link"}