{"product_id":"kpower-hbl300-servo-motor","title":"Kpower HBL300 Brushless Servo Motor, 30.6 kg·cm Stall Torque at 7.4 V, for RC Models and Robotics","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/kpower-servo\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003eKpower\u003c\/a\u003e HBL300 is an HV \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/brushless-servos\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003ebrushless servo\u003c\/a\u003e motor for RC models, \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/robotics\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003erobotics\u003c\/a\u003e and automated mechanisms. It combines metal gears, an aluminum middle case and potentiometer position sensing, with stall torque of 30.6 kg·cm at 7.4 V and a no-load speed of 0.15 s\/60° at that voltage. Its listed operating range is 4.8–8.4 V, with PWM, TTL and RS-485 protocols.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-torque brushless motor with high-precision metal gears.\u003c\/li\u003e\n\u003cli\u003eAluminum alloy and plastic case construction, including an aluminum middle case.\u003c\/li\u003e\n\u003cli\u003ePotentiometer position sensing and two ball bearings (2BB).\u003c\/li\u003e\n\u003cli\u003e25T output spline with a diameter of 5.82 mm.\u003c\/li\u003e\n\u003cli\u003e120° travel angle, described as customizable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eVoltage-Dependent Performance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eAt 6.0 V\u003c\/th\u003e\n\u003cth\u003eAt 7.4 V\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStall torque\u003c\/td\u003e\n\u003ctd\u003e28.5 kg·cm\u003c\/td\u003e\n\u003ctd\u003e30.6 kg·cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-load speed\u003c\/td\u003e\n\u003ctd\u003e0.16 s\/60°\u003c\/td\u003e\n\u003ctd\u003e0.15 s\/60°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical and Electrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHBL300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/servo-motors\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003eServo\u003c\/a\u003e type\u003c\/td\u003e\n\u003ctd\u003eHV brushless servo; high-torque classification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated torque\u003c\/td\u003e\n\u003ctd\u003e7.5 kg; torque unit requires clarification\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\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e40 × 20 × 39.4 mm\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\u003eOperating voltage\u003c\/td\u003e\n\u003ctd\u003e4.8–8.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorn gear spline\u003c\/td\u003e\n\u003ctd\u003e25T, Ø5.82 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocols\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\u003e4500 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\u003eAluminum alloy + plastic; aluminum middle case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall bearings\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 to 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\u003ctr\u003e\n\u003ctd\u003eHBL-series cycle-life claim\u003c\/td\u003e\n\u003ctd\u003eUp to 1,000,000 cycles; test conditions not specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC aircraft and VTOL fixed-wing drones:\u003c\/strong\u003e Actuate control linkages using the brushless drive and metal gear train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/8- and 1\/10-scale \u003c\/strong\u003e\u003cstrong\u003e\u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/rc-car\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003eRC cars\u003c\/a\u003e\u003c\/strong\u003e\u003cstrong\u003e:\u003c\/strong\u003e Operate steering linkages where the voltage-dependent torque and speed suit the mechanism.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobotics and service robots:\u003c\/strong\u003e Position joints and linkages using potentiometer feedback and the listed control protocols.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial automation, industrial vacuum cleaners and drone docks:\u003c\/strong\u003e Position movable mechanisms with a 120° travel range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTable-tennis serving machines:\u003c\/strong\u003e Adjust mechanical positioning through the geared servo output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical-device mechanisms:\u003c\/strong\u003e Provide positional actuation through the brushless motor and geared output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl-300-servo-motor-drawing.pdf?v=1792400245\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eKpower HBL300 Drawing — Drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-dmc-026-servo-motor-product-manual-3.pdf?v=1792378938\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eKpower Servo 3 — Manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/hexfellow-hexmotor-4342-p-motor-ocservo-ocs-351-can-drawing.pdf?v=1790605115\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOCServo OCS 351CAN Drawing — Ocservo Ocs 351 Can Drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Videos\u003c\/h2\u003e\n\u003ch2\u003eVisual Details\u003c\/h2\u003e\u003ch3\u003eProduct Video\u003c\/h3\u003e\u003cfigure class=\"tophitek-product-video-block\"\u003e\u003cvideo autoplay=\"autoplay\" class=\"tophitek-product-video\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/14ece74d38184d308f8ba9089549b20f.mp4\" style=\"display:block;width:auto;max-width:100%;height:auto;margin:0 auto\"\u003eYour browser does not support the video tag.\u003c\/video\u003e\u003c\/figure\u003e\u003cfigure class=\"tophitek-product-video-block\"\u003e\u003cvideo autoplay=\"autoplay\" class=\"tophitek-product-video\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/48c5e47ceec14db19b38f97a7e1158f3.mp4\" style=\"display:block;width:auto;max-width:100%;height:auto;margin:0 auto\"\u003eYour browser does not support the video tag.\u003c\/video\u003e\u003c\/figure\u003e\n\u003ch3\u003eFeatures and Design\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"HBL300 HV brushless servo beside a general custom-servo capability panel\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-5aad2f5cf6.webp?v=1792400485\"\u003e\u003cfigcaption\u003eThe HBL300 is labelled as an HV brushless servo.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"HBL-series brushless motor, metal gear and cycle-life feature panels\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-f024ef47ee.webp?v=1792400490\"\u003e\u003cfigcaption\u003eThe HBL series claims a lifespan of up to one million cycles, without stated test conditions. The HBL series uses a high-torque brushless motor.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Custom-servo development graphic with shaft, gear, housing and connector examples\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-69dfac5c22.webp?v=1792400514\"\u003e\u003cfigcaption\u003eCustom servo development graphic with shaft, gear, housing and connector examples\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eOptions and Model Comparison\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Comparison table for HBL045, HBL090, HBL150, HBL200 and HBL300 servos\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-8a3a8db2eb.webp?v=1792400493\"\u003e\u003cfigcaption\u003eThe comparison table specifies dimensions of 40 × 20 × 39.4 mm for HBL045, HBL090, HBL150, HBL200 and HBL300. The comparison table specifies a weight of 65 g for HBL045, HBL090, HBL150, HBL200 and HBL300.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eSpecifications and Performance\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"HBL300 servo, metal gears and voltage-dependent torque and speed specifications\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-3b8bd67c55.webp?v=1792400498\"\u003e\u003cfigcaption\u003eThe HBL300 torque is 28.5 kg·cm at 6.0 V. The HBL300 torque is 30.6 kg·cm at 7.4 V.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"General servo selection panel covering angles, speeds, voltages and dead bands\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-04ba95560f.webp?v=1792400502\"\u003e\u003cfigcaption\u003eGeneral servo selection panel listing rotation angles, speeds, voltage categories and dead bands\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"CLS88WP speed and current versus torque chart at 7.4 V\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-163182dc31.webp?v=1792400518\"\u003e\u003cfigcaption\u003eCLS88WP speed and current versus torque chart at 7.4 V with operating-duration zones\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eAdditional Product Details\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Servo-horn shapes labelled Flat, Cross, Round, Star and Single\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-84199c58cb.webp?v=1792400506\"\u003e\u003cfigcaption\u003eFive servo-horn shapes labelled Flat, Cross, Round, Star and Single\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"General ODM workflow from needs evaluation through sampling and mass production\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-8f8403f5f2.webp?v=1792400536\"\u003e\u003cfigcaption\u003eODM service workflow from needs evaluation through design, sampling and mass production\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eSetup and Use\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Generic pulse-width timing diagram with five example servo angles\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-7e34f87156.webp?v=1792400510\"\u003e\u003cfigcaption\u003eServo pulse-width timing diagram with five example shaft angles\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Exploded servo anatomy and general component-selection checklist\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-46068b0294.webp?v=1792400527\"\u003e\u003cfigcaption\u003eExploded servo anatomy with labelled components and a general selection checklist\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eInterfaces and Connections\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Generic three-wire connector diagram with brown ground, red supply and orange signal\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-b3e6660fc6.webp?v=1792400522\"\u003e\u003cfigcaption\u003eThree-wire servo connector diagram identifying brown ground, red supply and orange signal\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eApplication Examples\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Kpower drive-and-control application collage spanning robotics, automation and RC models\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-hbl300-brushless-servo-motor-30-c39b42f8b3.webp?v=1792400531\"\u003e\u003cfigcaption\u003eKpower application collage covering robotics, automation, RC models, drones and other industries\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"Kpower","offers":[{"title":"HBL300","offer_id":67820166152416,"sku":"KPO-2B29F02A","price":127.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/kpower-hbl300-servo-motor-front-vie-6fae6f2c21-01.webp?v=1792400197","url":"https:\/\/rcdrone.top\/sv\/products\/kpower-hbl300-servo-motor","provider":"RCDrone","version":"1.0","type":"link"}