{"product_id":"kpower-em3-servo-motor","title":"Kpower EM3 TTL Robotic Servo Motor, 3 kg·cm Stall Torque at 8.4 V for Companion Robots","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 EM3 is a dual-axes 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 for companion robots, AI desktop robots and coordinated robot joints. TTL serial-bus communication enables independent control of multiple \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;\"\u003eservos\u003c\/a\u003e through one interface, with torque adjustment and real-time feedback. Weighing 9 g, it operates at 4.8–8.4 V and delivers 3 kg·cm stall torque at 8.4 V. An overload clutch provides gear protection during robot-joint operation.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003ch3\u003eTTL Bus Control and Feedback\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated TTL serial bus connects multiple servos through a shared \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/drone-cable\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003ecable\u003c\/a\u003e and single interface.\u003c\/li\u003e\n\u003cli\u003eIndependent servo control supports coordinated multi-joint movement.\u003c\/li\u003e\n\u003cli\u003eForce-controlled servo operation with precise torque adjustment and real-time feedback.\u003c\/li\u003e\n\u003cli\u003eMultiple feedback functions are supported.\u003c\/li\u003e\n\u003cli\u003eRecessed three-contact connector on the side of the housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDual-Axes Construction and Overload Clutch\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual-axes robotic servo design.\u003c\/li\u003e\n\u003cli\u003eOverload-clutch disengagement and gear-clutch anti-impact protection for robot joints.\u003c\/li\u003e\n\u003cli\u003ePOM gears, plastic housing and potentiometer position sensing.\u003c\/li\u003e\n\u003cli\u003eBrushed DC motor with carbon brushes described as long-life, plus high-strength, high-temperature-resistant magnetic construction.\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\u003eEM3 value\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl interface\u003c\/td\u003e\n\u003ctd\u003eTTL serial bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStall torque\u003c\/td\u003e\n\u003ctd\u003e3 kg·cm at 8.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated torque, reported value\u003c\/td\u003e\n\u003ctd\u003e0.8 kg; lever-arm unit not specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-load speed\u003c\/td\u003e\n\u003ctd\u003e0.08 s\/60° at 8.4 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\u003eNo-load current\u003c\/td\u003e\n\u003ctd\u003e1000 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStall current\u003c\/td\u003e\n\u003ctd\u003e1000 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e9 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e28.5 × 12 × 22.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire length\u003c\/td\u003e\n\u003ctd\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorn gear spline\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear material\u003c\/td\u003e\n\u003ctd\u003ePOM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eBrushed DC\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\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\u003eNoise level\u003c\/td\u003e\n\u003ctd\u003e≤65 dB; measurement conditions not specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCustomization Requirements\u003c\/h3\u003e\n\u003cp\u003eConsult the supplier about travel-angle customization and requirements for wire length, control type and position sensor.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompanion robots and AI desktop robots:\u003c\/strong\u003e coordinate several servo-driven joints through one TTL interface while retaining independent control and real-time feedback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePet robot toys:\u003c\/strong\u003e use the 9 g servo for articulated movement, with an overload clutch to help protect joint gearing against impacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel-drive robot assemblies:\u003c\/strong\u003e control articulated mechanisms within the robot using shared-bus servo coordination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEilik Smart Robot:\u003c\/strong\u003e suitable for robot-servo applications requiring the EM3's compact construction and overload-clutch mechanism.\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-em-3-servo-motor-drawing.pdf?v=1792391513\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eKpower EM3 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-ocservo-ocs-d-9501-drawing.pdf?v=1792378920\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOCservo OCS D9501 Drawing — Ocservo Ocs D 9501 Drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-dmc-026-servo-motor-ocservo-ocs-d-9501-manuel.pdf?v=1792378926\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOCServo OCS D9501 Manuel — Ocservo Ocs D 9501 Manuel (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\/6fb0741733d4444d99b95856c918a36d.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\/9dbcd8f8c96a4505bd108782be4fb9f8.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=\"EM3 servo cutaway with TTL control, feedback and gear-clutch protection callouts\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-em3-ttl-robotic-servo-motor-3-k-9a07e60b63.webp?v=1792391706\"\u003e\u003cfigcaption\u003eEM3 uses an integrated TTL serial bus to connect multiple servos through one cable. EM3 supports precise torque adjustment and real-time feedback.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Front and side servo views with Eilik suitability and overload-clutch callouts\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-em3-ttl-robotic-servo-motor-3-k-dabc72a23a.webp?v=1792391719\"\u003e\u003cfigcaption\u003eThe servo has a 300° travel angle. The servo is described as suitable for the Eilik Smart Robot.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Exploded servo assembly with gears, motor, circuit board and 9 g weight callout\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-em3-ttl-robotic-servo-motor-3-k-7b34145777.webp?v=1792391727\"\u003e\u003cfigcaption\u003eThe servo weighs 9 g. The servo motor uses carbon brushes described as long-life.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Kpower EM3 dual-axes servo with TTL communication and overload-clutch labels\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-em3-ttl-robotic-servo-motor-3-k-1384f5dd7a.webp?v=1792391731\"\u003e\u003cfigcaption\u003eThe EM3 supports TTL serial bus communication. The Kpower EM3 is a dual-axes robotic servo.\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=\"Multiple servos connected by a TTL bus to an external controller\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-em3-ttl-robotic-servo-motor-3-k-a6a42b6b47.webp?v=1792391710\"\u003e\u003cfigcaption\u003eThe servo's TTL bus supports multiple servos through a single interface. TTL serial-bus connectivity enables independent control of each servo.\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=\"EM3 specification panel with electrical, mechanical and environmental parameters\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-em3-ttl-robotic-servo-motor-3-k-6a2c96443c.webp?v=1792391714\"\u003e\u003cfigcaption\u003eEM3 stall torque is 3 kg·cm at 8.4 V. EM3 no-load speed is 0.08 sec\/60° at 8.4 V.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"EM3 and EM10 comparison table with torque, speed, weight and dimensions\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-em3-ttl-robotic-servo-motor-3-k-7330678671.webp?v=1792391735\"\u003e\u003cfigcaption\u003eThe EM3 uses TTL communication. The EM3 has a stated travel angle of 300°.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eApplication Examples\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"White robot servo beside an Eilik desktop companion robot\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-em3-ttl-robotic-servo-motor-3-k-8e2a4099ef.webp?v=1792391723\"\u003e\u003cfigcaption\u003eThe servo is presented as a custom robot servo motor.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Robot application examples including companion, desktop, wheel-drive and pet robots\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kpower-em3-ttl-robotic-servo-motor-3-k-df9c435be3.webp?v=1792391740\"\u003e\u003cfigcaption\u003eThe EM3 is intended for companion robot applications. The EM3 is intended for AI desktop robot applications.\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"Kpower","offers":[{"title":"EM3","offer_id":67820213403872,"sku":"KPO-E4B0DDD1","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/kpower-em3-servo-motor-front-disc-wired-view-01.webp?v=1792391461","url":"https:\/\/rcdrone.top\/pl\/products\/kpower-em3-servo-motor","provider":"RCDrone","version":"1.0","type":"link"}