{"product_id":"kpower-rc20p-servo-motor","title":"Kpower RC20P Robotic Servo Motor, 21 kg·cm at 7.4 V, Metal Gears for Robots and RC Cars","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 RC20P is a coreless robotic \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 motor\u003c\/a\u003e with metal gears for desktop robot arms, educational robots and RC vehicle mechanisms. Its specified torque is 21 kg·cm at 7.4 V, with a no-load speed of 0.2 s\/60° at the same voltage. The 40 × 20 × 37 mm body weighs 65 g, while a 25T, Ø6 mm output spline provides the mechanical connection for servo horns.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCoreless motor and metal gear train.\u003c\/li\u003e\n\u003cli\u003ePotentiometer position sensing and 180° travel, with customizable travel stated.\u003c\/li\u003e\n\u003cli\u003eAluminum-alloy case and two ball bearings (2BB).\u003c\/li\u003e\n\u003cli\u003eSplined output shaft with a central threaded opening; horn gear spline specified as 25T, Ø6 mm.\u003c\/li\u003e\n\u003cli\u003eOperating voltage range of 4.8–8.4 V and working frequency of 50–333 Hz.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eRC20P specification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand \/ model\u003c\/td\u003e\n\u003ctd\u003eKpower RC20P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eRobotic \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/servos\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003eservo\u003c\/a\u003e motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStall torque\u003c\/td\u003e\n\u003ctd\u003e21 kg·cm at 7.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated torque\u003c\/td\u003e\n\u003ctd\u003e5.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-load speed\u003c\/td\u003e\n\u003ctd\u003e0.2 s\/60° at 7.4 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\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e40 × 20 × 37 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTravel angle range\u003c\/td\u003e\n\u003ctd\u003e180° (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, Ø6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput shaft detail\u003c\/td\u003e\n\u003ctd\u003eSplined shaft with central threaded opening\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\u003eCoreless motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocols listed\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\u003e7000 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\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesktop robots and desktop robot arms:\u003c\/strong\u003e actuate compact joints using the 40 × 20 × 37 mm servo body and splined mechanical output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEducational and bio-inspired robots:\u003c\/strong\u003e build moving mechanisms with potentiometer position sensing and 180° travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService robots and solar-panel cleaning robots:\u003c\/strong\u003e provide servo-driven mechanism movement using a coreless motor and metal gears.\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 actuate steering or other servo-driven mechanisms with a specified no-load speed of 0.2 s\/60° at 7.4 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed-wing drones:\u003c\/strong\u003e actuate control linkages through the 25T, Ø6 mm output spline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical-device mechanisms:\u003c\/strong\u003e provide servo actuation with potentiometer position sensing.\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-rc-20-p-servo-motor-drawing.pdf?v=1792418370\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eKpower RC20P 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:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/OCServo-OCS-351CAN-Drawing.pdf?v=1777181860\" 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\u003eVisual Details\u003c\/h2\u003e\n\u003ch3\u003eApplication Examples\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Kpower RC20P servo with desktop, bio-inspired, educational and service robot examples\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-rc20p-robotic-servo-motor-21-kg-6f069b98bf.webp?v=1792418611\"\u003e\u003cfigcaption\u003eThe RC20P has a splined output shaft with a central threaded opening. The servo is labeled Kpower RC20P ROBOT.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Kpower drive-and-control application montage across robotics and other industries\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-rc20p-robotic-servo-motor-21-kg-4f9a3ddad5.webp?v=1792418651\"\u003e\u003cfigcaption\u003eKpower application montage covering robotics, automation, RC models, drones, agriculture, and other industries\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=\"RC20P specification panel with metal gears, dimensions and application examples\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-rc20p-robotic-servo-motor-21-kg-d1070a67bd.webp?v=1792418616\"\u003e\u003cfigcaption\u003eThe RC20P torque is specified as 21 kg·cm at 7.4 V. The RC20P speed is specified as 0.2 seconds per 60° at 7.4 V.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"General servo angle, speed, voltage and dead-band reference\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-rc20p-robotic-servo-motor-21-kg-55b4802275.webp?v=1792418620\"\u003e\u003cfigcaption\u003eGeneral servo angle, speed, voltage and dead-band guidance beside assorted motors\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-rc20p-robotic-servo-motor-21-kg-bf0300a401.webp?v=1792418638\"\u003e\u003cfigcaption\u003eCLS88WP servo speed and current chart at 7.4 V with load-duration guidance\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 labeled Flat, Cross, Round, Star and Single\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-rc20p-robotic-servo-motor-21-kg-06a7d09b3a.webp?v=1792418624\"\u003e\u003cfigcaption\u003eFive servo horn shapes labeled Flat, Cross, Round, Star and Single\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Generic ODM workflow from needs assessment and design to mass production\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-rc20p-robotic-servo-motor-21-kg-d5de6f44a6.webp?v=1792418655\"\u003e\u003cfigcaption\u003eODM service workflow from needs assessment and product design to 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=\"General pulse-width diagram mapping 0.5–2.5 ms pulses to −90° through 90°\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-rc20p-robotic-servo-motor-21-kg-c08a99d661.webp?v=1792418629\"\u003e\u003cfigcaption\u003eServo pulse-width diagram mapping 0.5–2.5 ms pulses to −90° through 90° shaft positions\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Generic exploded servo assembly and component-selection checklist\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-rc20p-robotic-servo-motor-21-kg-00f34c794e.webp?v=1792418646\"\u003e\u003cfigcaption\u003eExploded servo assembly with labeled internal parts and a general servo-selection checklist\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eFeatures and Design\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Generic custom-servo development graphic with shaft, gear, housing and connector examples\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-rc20p-robotic-servo-motor-21-kg-a4582c7630.webp?v=1792418633\"\u003e\u003cfigcaption\u003eCustom servo development graphic with shaft, gear, housing and connector examples\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 servo connector with brown ground, red supply and orange signal\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-rc20p-robotic-servo-motor-21-kg-7a9ee6f6bc.webp?v=1792418641\"\u003e\u003cfigcaption\u003eThree-wire servo connector with brown ground, red Vcc, and orange signal leads\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"Kpower","offers":[{"title":"RC20P","offer_id":67820019024096,"sku":"KPO-52DEBB0D","price":103.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/kpower-rc20p-servo-motor-six-arm-horn-attached-01.webp?v=1792418318","url":"https:\/\/rcdrone.top\/products\/kpower-rc20p-servo-motor","provider":"RCDrone","version":"1.0","type":"link"}