{"product_id":"feetech-sm45bl-rs485-brushless-45kg-servo","title":"FEETECH SM45BL RS485 Bus Brushless Servo 45KG Steel Gear 360° Dual Shaft High Precision Robot Servo","description":"\u003ch2 data-section-id=\"1p927wt\" data-start=\"103\" data-end=\"122\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"124\" data-end=\"475\"\u003eThe FEETECH SM45BL is a high precision RS485 bus brushless servo designed for robotic joints, automation systems and intelligent motion control applications. Featuring a brushless motor, full steel gear transmission and 12-bit magnetic encoder feedback, the SM45BL delivers stable torque output, accurate positioning and reliable continuous operation.\u003c\/p\u003e\n\u003cp data-start=\"477\" data-end=\"714\"\u003eThis servo supports RS485 serial communication and multiple control modes including position control, speed control and PWM control, making it suitable for robotic arms, humanoid robots, AGV platforms and industrial automation equipment.\u003c\/p\u003e\n\u003chr data-start=\"716\" data-end=\"719\"\u003e\n\u003ch2 data-section-id=\"736h55\" data-start=\"721\" data-end=\"740\"\u003eProduct Features\u003c\/h2\u003e\n\u003ch3 data-section-id=\"wiw3as\" data-start=\"742\" data-end=\"777\"\u003eHigh Precision Magnetic Encoder\u003c\/h3\u003e\n\u003cp data-start=\"778\" data-end=\"897\"\u003eBuilt-in 12-bit magnetic encoder with 0.088° position resolution for accurate angle feedback and smooth motion control.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5h4mug\" data-start=\"899\" data-end=\"925\"\u003eBrushless Motor Design\u003c\/h3\u003e\n\u003cp data-start=\"926\" data-end=\"1020\"\u003eBrushless structure reduces wear and improves operating lifespan for long-term continuous use.\u003c\/p\u003e\n\u003ch3 data-section-id=\"171jf0a\" data-start=\"1022\" data-end=\"1049\"\u003eRS485 Bus Communication\u003c\/h3\u003e\n\u003cp data-start=\"1050\" data-end=\"1138\"\u003eSupports RS485 serial bus communication with adjustable baud rate from 38400 to 1000000.\u003c\/p\u003e\n\u003ch3 data-section-id=\"u9ktvd\" data-start=\"1140\" data-end=\"1172\"\u003eFull Steel Gear Transmission\u003c\/h3\u003e\n\u003cp data-start=\"1173\" data-end=\"1270\"\u003e1:353 steel gear reduction structure provides stable torque transmission and improved durability.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1d0nuuc\" data-start=\"1272\" data-end=\"1308\"\u003e360° Multi-turn Position Control\u003c\/h3\u003e\n\u003cp data-start=\"1309\" data-end=\"1396\"\u003eSupports multi-turn motion range from -360°×7 to 360°×7 for robotic joint applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1v86ew1\" data-start=\"1398\" data-end=\"1424\"\u003eMultiple Control Modes\u003c\/h3\u003e\n\u003cp data-start=\"1425\" data-end=\"1434\"\u003eSupports:\u003c\/p\u003e\n\u003cul data-start=\"1435\" data-end=\"1483\"\u003e\n\u003cli data-section-id=\"1bqcy1i\" data-start=\"1435\" data-end=\"1453\"\u003ePosition control\u003c\/li\u003e\n\u003cli data-section-id=\"1waqpzc\" data-start=\"1454\" data-end=\"1469\"\u003eSpeed control\u003c\/li\u003e\n\u003cli data-section-id=\"5ntxtx\" data-start=\"1470\" data-end=\"1483\"\u003ePWM control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1c09e3r\" data-start=\"1485\" data-end=\"1509\"\u003eDual Shaft Structure\u003c\/h3\u003e\n\u003cp data-start=\"1510\" data-end=\"1585\"\u003eDual shaft output design provides flexible mechanical installation options.\u003c\/p\u003e\n\u003chr data-start=\"1587\" data-end=\"1590\"\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"1592\" data-end=\"1618\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1620\" data-end=\"2272\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1620\" data-end=\"1644\"\u003e\n\u003ctr data-start=\"1620\" data-end=\"1644\"\u003e\n\u003cth data-start=\"1620\" data-end=\"1627\" data-col-size=\"sm\" class=\"\"\u003eItem\u003c\/th\u003e\n\u003cth data-start=\"1627\" data-end=\"1644\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1655\" data-end=\"2272\"\u003e\n\u003ctr data-start=\"1655\" data-end=\"1673\"\u003e\n\u003ctd data-start=\"1655\" data-end=\"1663\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-start=\"1663\" data-end=\"1673\" data-col-size=\"sm\"\u003eSM45BL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1674\" data-end=\"1691\"\u003e\n\u003ctd data-start=\"1674\" data-end=\"1683\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1683\" data-end=\"1691\"\u003e100g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1692\" data-end=\"1728\"\u003e\n\u003ctd data-start=\"1692\" data-end=\"1705\" data-col-size=\"sm\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-start=\"1705\" data-end=\"1728\" data-col-size=\"sm\"\u003e46.5 × 28.5 × 34 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1729\" data-end=\"1758\"\u003e\n\u003ctd data-start=\"1729\" data-end=\"1747\" data-col-size=\"sm\"\u003eWorking Voltage\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1747\" data-end=\"1758\"\u003e12V–24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1759\" data-end=\"1799\"\u003e\n\u003ctd data-start=\"1759\" data-end=\"1783\" data-col-size=\"sm\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-start=\"1783\" data-end=\"1799\" data-col-size=\"sm\"\u003e-20°C ~ 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1800\" data-end=\"1830\"\u003e\n\u003ctd data-start=\"1800\" data-end=\"1817\" data-col-size=\"sm\"\u003eStatic Current\u003c\/td\u003e\n\u003ctd data-start=\"1817\" data-end=\"1830\" data-col-size=\"sm\"\u003e17mA @24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1831\" data-end=\"1863\"\u003e\n\u003ctd data-start=\"1831\" data-end=\"1849\" data-col-size=\"sm\"\u003eNo-load Current\u003c\/td\u003e\n\u003ctd data-start=\"1849\" data-end=\"1863\" data-col-size=\"sm\"\u003e160mA @24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1864\" data-end=\"1895\"\u003e\n\u003ctd data-start=\"1864\" data-end=\"1880\" data-col-size=\"sm\"\u003eStall Current\u003c\/td\u003e\n\u003ctd data-start=\"1880\" data-end=\"1895\" data-col-size=\"sm\"\u003e2300mA @24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1896\" data-end=\"1927\"\u003e\n\u003ctd data-start=\"1896\" data-end=\"1911\" data-col-size=\"sm\"\u003eStall Torque\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1911\" data-end=\"1927\"\u003e45kg.cm @24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1928\" data-end=\"1968\"\u003e\n\u003ctd data-start=\"1928\" data-end=\"1943\" data-col-size=\"sm\"\u003eRated Torque\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1943\" data-end=\"1968\"\u003e15kg.cm (1.3N.m) @12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1969\" data-end=\"1994\"\u003e\n\u003ctd data-start=\"1969\" data-end=\"1985\" data-col-size=\"sm\"\u003eMaximum Speed\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1985\" data-end=\"1994\"\u003e70RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1995\" data-end=\"2037\"\u003e\n\u003ctd data-start=\"1995\" data-end=\"2010\" data-col-size=\"sm\"\u003eEncoder Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2010\" data-end=\"2037\"\u003e12-bit Magnetic Encoder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2038\" data-end=\"2070\"\u003e\n\u003ctd data-start=\"2038\" data-end=\"2060\" data-col-size=\"sm\"\u003ePosition Resolution\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2060\" data-end=\"2070\"\u003e0.088°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2071\" data-end=\"2093\"\u003e\n\u003ctd data-start=\"2071\" data-end=\"2084\" data-col-size=\"sm\"\u003eGear Ratio\u003c\/td\u003e\n\u003ctd data-start=\"2084\" data-end=\"2093\" data-col-size=\"sm\"\u003e1:353\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2094\" data-end=\"2129\"\u003e\n\u003ctd data-start=\"2094\" data-end=\"2120\" data-col-size=\"sm\"\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd data-start=\"2120\" data-end=\"2129\" data-col-size=\"sm\"\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2130\" data-end=\"2161\"\u003e\n\u003ctd data-start=\"2130\" data-end=\"2142\" data-col-size=\"sm\"\u003eBaud Rate\u003c\/td\u003e\n\u003ctd data-start=\"2142\" data-end=\"2161\" data-col-size=\"sm\"\u003e38400 ~ 1000000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2162\" data-end=\"2191\"\u003e\n\u003ctd data-start=\"2162\" data-end=\"2182\" data-col-size=\"sm\"\u003eControl Frequency\u003c\/td\u003e\n\u003ctd data-start=\"2182\" data-end=\"2191\" data-col-size=\"sm\"\u003e333Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2192\" data-end=\"2229\"\u003e\n\u003ctd data-start=\"2192\" data-end=\"2209\" data-col-size=\"sm\"\u003ePosition Range\u003c\/td\u003e\n\u003ctd data-start=\"2209\" data-end=\"2229\" data-col-size=\"sm\"\u003e-360°×7 ~ 360°×7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2230\" data-end=\"2272\"\u003e\n\u003ctd data-start=\"2230\" data-end=\"2246\" data-col-size=\"sm\"\u003eControl Modes\u003c\/td\u003e\n\u003ctd data-start=\"2246\" data-end=\"2272\" data-col-size=\"sm\"\u003ePosition \/ Speed \/ PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2274\" data-end=\"2277\"\u003e\n\u003ch1 data-section-id=\"c3mln3\" data-start=\"2279\" data-end=\"2293\"\u003eApplications\u003c\/h1\u003e\n\u003cul data-start=\"2295\" data-end=\"2454\"\u003e\n\u003cli data-section-id=\"bnu75u\" data-start=\"2295\" data-end=\"2312\"\u003eHumanoid robots\u003c\/li\u003e\n\u003cli data-section-id=\"apswiz\" data-start=\"2313\" data-end=\"2327\"\u003eRobotic arms\u003c\/li\u003e\n\u003cli data-section-id=\"1m7wyzt\" data-start=\"2328\" data-end=\"2342\"\u003eRobot joints\u003c\/li\u003e\n\u003cli data-section-id=\"1kkxncf\" data-start=\"2343\" data-end=\"2355\"\u003eAGV robots\u003c\/li\u003e\n\u003cli data-section-id=\"pg00i7\" data-start=\"2356\" data-end=\"2383\"\u003eIntelligent manufacturing\u003c\/li\u003e\n\u003cli data-section-id=\"1o8izvh\" data-start=\"2384\" data-end=\"2406\"\u003eAutomation equipment\u003c\/li\u003e\n\u003cli data-section-id=\"jefz1u\" data-start=\"2407\" data-end=\"2429\"\u003eEducational robotics\u003c\/li\u003e\n\u003cli data-section-id=\"837upz\" data-start=\"2430\" data-end=\"2454\"\u003eMotion control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2456\" data-end=\"2459\"\u003e\n\u003ch1 data-section-id=\"hg9dub\" data-start=\"2461\" data-end=\"2479\"\u003ePackage Includes\u003c\/h1\u003e\n\u003ch2 data-section-id=\"zlm506\" data-start=\"2481\" data-end=\"2502\"\u003eServo Only Package\u003c\/h2\u003e\n\u003cul data-start=\"2503\" data-end=\"2574\"\u003e\n\u003cli data-section-id=\"praxlu\" data-start=\"2503\" data-end=\"2521\"\u003e1 × SM45BL Servo\u003c\/li\u003e\n\u003cli data-section-id=\"8r3k9q\" data-start=\"2522\" data-end=\"2541\"\u003eMounting brackets\u003c\/li\u003e\n\u003cli data-section-id=\"1jbwhqe\" data-start=\"2542\" data-end=\"2559\"\u003eMounting screws\u003c\/li\u003e\n\u003cli data-section-id=\"1dggqvj\" data-start=\"2560\" data-end=\"2574\"\u003eServo cables\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1vu9woh\" data-start=\"2576\" data-end=\"2610\"\u003eServo + URT Debug Board Package\u003c\/h2\u003e\n\u003cul data-start=\"2611\" data-end=\"2712\"\u003e\n\u003cli data-section-id=\"praxlu\" data-start=\"2611\" data-end=\"2629\"\u003e1 × SM45BL Servo\u003c\/li\u003e\n\u003cli data-section-id=\"1ofkwcw\" data-start=\"2630\" data-end=\"2647\"\u003eURT debug board\u003c\/li\u003e\n\u003cli data-section-id=\"8rt2jp\" data-start=\"2648\" data-end=\"2659\"\u003eUSB cable\u003c\/li\u003e\n\u003cli data-section-id=\"8r3k9q\" data-start=\"2660\" data-end=\"2679\"\u003eMounting brackets\u003c\/li\u003e\n\u003cli data-section-id=\"1jbwhqe\" data-start=\"2680\" data-end=\"2697\"\u003eMounting screws\u003c\/li\u003e\n\u003cli data-section-id=\"1dggqvj\" data-start=\"2698\" data-end=\"2712\"\u003eServo cables\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2714\" data-end=\"2717\"\u003e\n\u003ch1 data-section-id=\"dx2651\" data-start=\"3187\" data-end=\"3207\"\u003eProduct Advantages\u003c\/h1\u003e\n\u003cul data-start=\"3209\" data-end=\"3431\"\u003e\n\u003cli data-section-id=\"r11c0c\" data-start=\"3209\" data-end=\"3237\"\u003eBrushless long-life design\u003c\/li\u003e\n\u003cli data-section-id=\"151r0fr\" data-start=\"3238\" data-end=\"3268\"\u003eFull steel gear transmission\u003c\/li\u003e\n\u003cli data-section-id=\"mjldyl\" data-start=\"3269\" data-end=\"3302\"\u003eHigh precision encoder feedback\u003c\/li\u003e\n\u003cli data-section-id=\"1c5yyqc\" data-start=\"3303\" data-end=\"3328\"\u003eRS485 bus communication\u003c\/li\u003e\n\u003cli data-section-id=\"msdr47\" data-start=\"3329\" data-end=\"3361\"\u003eMulti-turn positioning support\u003c\/li\u003e\n\u003cli data-section-id=\"13b9b7z\" data-start=\"3362\" data-end=\"3386\"\u003eMultiple control modes\u003c\/li\u003e\n\u003cli data-section-id=\"11mvnwi\" data-start=\"3387\" data-end=\"3431\"\u003eCompact structure for robotics integration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FeeTech","offers":[{"title":"SM-45BL-C001 (24V45KG \/ Custom Protocol)","offer_id":47636764229862,"sku":null,"price":160.8,"currency_code":"USD","in_stock":true},{"title":"SM-45BL-C002 (24V45KG \/ MODBUS Protocol)","offer_id":47636764262630,"sku":null,"price":160.8,"currency_code":"USD","in_stock":true},{"title":"SM-45BL-C001 + URT Debug Board","offer_id":47636764295398,"sku":null,"price":173.0,"currency_code":"USD","in_stock":true},{"title":"SM-45BL-C002 + URT Debug Board","offer_id":47636764328166,"sku":null,"price":173.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/04_6e8a9582-5171-4295-8002-c67134affc70.jpg?v=1778158052","url":"https:\/\/robotdoo.com\/products\/feetech-sm45bl-rs485-brushless-45kg-servo","provider":"RobotDoo","version":"1.0","type":"link"}