{"product_id":"haitai-ht-s-3505-rs485-low-speed-brushless-servo-motor","title":"HAITAI HT-S-3505 Low Speed BLDC Servo Motor with RS485 Driver for Gimbal Robotics \u0026 Automation","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eDESCRIPTION\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHAITAI HT-S-3505\u003c\/strong\u003e is a compact low-speed brushless servo motor with an integrated RS485 driver, designed for precision motion control applications. Combining a high-efficiency BLDC motor, 14-bit magnetic encoder, and closed-loop servo control, it delivers smooth positioning, stable low-speed operation, and reliable communication for robotics and industrial automation.\u003c\/p\u003e\n\u003cp\u003eSupporting \u003cstrong\u003etorque, speed, and position control modes\u003c\/strong\u003e, the HT-S-3505 is ideal for pan-tilt systems, EO\/IR gimbals, surveillance cameras, robotic joints, machine vision equipment, precision automation, and research platforms. The integrated RS485 communication interface simplifies system integration while reducing wiring complexity. The published specifications match the manufacturer's data for voltage, torque, speed, encoder resolution, and communication interface. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eFeatures\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated brushless servo motor with built-in driver\u003c\/li\u003e\n\u003cli\u003eRS485 communication interface\u003c\/li\u003e\n\u003cli\u003eHigh-resolution 14-bit magnetic encoder (0.022°)\u003c\/li\u003e\n\u003cli\u003eClosed-loop position, speed and torque control\u003c\/li\u003e\n\u003cli\u003eExcellent low-speed stability\u003c\/li\u003e\n\u003cli\u003eCompact Ø40 mm aluminum housing\u003c\/li\u003e\n\u003cli\u003eLow noise and smooth operation\u003c\/li\u003e\n\u003cli\u003eSuitable for continuous industrial operation\u003c\/li\u003e\n\u003cli\u003eSupports 12–24V driver input\u003c\/li\u003e\n\u003cli\u003eEasy integration into automation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eSpecifications\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 class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHT-S-3505\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eBrushless DC Servo Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Input Voltage\u003c\/td\u003e\n\u003ctd\u003e12–24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Torque\u003c\/td\u003e\n\u003ctd\u003e0.08 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStall Torque\u003c\/td\u003e\n\u003ctd\u003e0.21 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Speed\u003c\/td\u003e\n\u003ctd\u003e1400 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Speed\u003c\/td\u003e\n\u003ctd\u003e1800 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStall Current\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Resistance\u003c\/td\u003e\n\u003ctd\u003e5.2 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Inductance\u003c\/td\u003e\n\u003ctd\u003e0.66 mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Constant\u003c\/td\u003e\n\u003ctd\u003e116 rpm\/V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque Constant\u003c\/td\u003e\n\u003ctd\u003e0.05 N·m\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Inertia\u003c\/td\u003e\n\u003ctd\u003e55 g·cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePole Pairs\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Diameter\u003c\/td\u003e\n\u003ctd\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Weight\u003c\/td\u003e\n\u003ctd\u003e78.5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e1.25 mm 6-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Current Range\u003c\/td\u003e\n\u003ctd\u003e0.03–2.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder Resolution\u003c\/td\u003e\n\u003ctd\u003e14-bit (0.022°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Modes\u003c\/td\u003e\n\u003ctd\u003eTorque \/ Speed \/ Position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e-45°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Demagnetization Temperature\u003c\/td\u003e\n\u003ctd\u003e120°C\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\u003e\n\u003ch1\u003eApplications\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eEO\/IR Gimbal Systems\u003c\/li\u003e\n\u003cli\u003eCamera Pan-Tilt Units\u003c\/li\u003e\n\u003cli\u003eSurveillance Equipment\u003c\/li\u003e\n\u003cli\u003eRobotics\u003c\/li\u003e\n\u003cli\u003eRobot Joints\u003c\/li\u003e\n\u003cli\u003eIndustrial Automation\u003c\/li\u003e\n\u003cli\u003eInspection Equipment\u003c\/li\u003e\n\u003cli\u003eOptical Tracking Systems\u003c\/li\u003e\n\u003cli\u003eMachine Vision\u003c\/li\u003e\n\u003cli\u003eScientific Research Platforms\u003c\/li\u003e\n\u003cli\u003ePrecision Motion Control\u003c\/li\u003e\n\u003cli\u003eLaboratory Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eWhat's Included\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e1 × HAITAI HT-S-3505 Servo Motor\u003c\/li\u003e\n\u003cli\u003eIntegrated RS485 Driver\u003c\/li\u003e\n\u003cli\u003eIntegrated 14-bit Encoder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eFAQ\u003c\/h1\u003e\n\u003ch3\u003eDoes the HT-S-3505 include a motor driver?\u003c\/h3\u003e\n\u003cp\u003eYes. The HT-S-3505 integrates the servo driver inside the motor housing.\u003c\/p\u003e\n\u003ch3\u003eWhich communication interface does it use?\u003c\/h3\u003e\n\u003cp\u003eRS485 serial communication.\u003c\/p\u003e\n\u003ch3\u003eWhat control modes are supported?\u003c\/h3\u003e\n\u003cp\u003eTorque control, speed control, and position control.\u003c\/p\u003e\n\u003ch3\u003eDoes it support closed-loop control?\u003c\/h3\u003e\n\u003cp\u003eYes. It uses a built-in 14-bit encoder for closed-loop servo control.\u003c\/p\u003e\n\u003ch3\u003eWhat applications is this motor designed for?\u003c\/h3\u003e\n\u003cp\u003eRobotic systems, gimbals, pan-tilt mechanisms, automation equipment, machine vision, and precision positioning.\u003c\/p\u003e","brand":"HAITAI","offers":[{"title":"Default Title","offer_id":48087262265574,"sku":null,"price":108.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/ht-s-3505-rs485-brushless-servo-motor_webp.jpg?v=1785396184","url":"https:\/\/robotdoo.com\/products\/haitai-ht-s-3505-rs485-low-speed-brushless-servo-motor","provider":"RobotDoo","version":"1.0","type":"link"}