{"product_id":"57mm-closed-loop-stepper-motor-driver-kit","title":"57mm Closed-Loop Stepper Motor and Driver Kit 2.0–2.8 Nm for CNC","description":"\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eThis 57mm closed-loop stepper motor kit pairs a two-phase encoder-equipped motor with the 2HSS57-A-5\/24 driver for pulse-controlled positioning applications.\u003c\/p\u003e\n\u003cp\u003eChoose between 2.0 Nm and 2.8 Nm holding torque configurations. Both motors feature an 8mm output shaft, while their body lengths and rated currents differ. Encoder feedback enables the driver to monitor motor position during operation.\u003c\/p\u003e\n\u003cp\u003eDesigned for integration into CNC axes, linear stages and compact automation equipment, the kit requires a compatible pulse\/direction controller and an external 24–60V DC power supply.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-phase closed-loop stepper motor with encoder feedback\u003c\/li\u003e\n\u003cli\u003eMatched 2HSS57-A-5\/24 driver\u003c\/li\u003e\n\u003cli\u003e2.0 Nm or 2.8 Nm holding torque options\u003c\/li\u003e\n\u003cli\u003e57mm frame with an 8mm diameter output shaft\u003c\/li\u003e\n\u003cli\u003ePulse, direction and enable control inputs\u003c\/li\u003e\n\u003cli\u003eDriver supply range of 24–60V DC\u003c\/li\u003e\n\u003cli\u003e5–24V control signal compatibility\u003c\/li\u003e\n\u003cli\u003eDriver alarm output for system integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eMotor Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\"\u003e\n\u003cdiv class=\"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\"\u003e2.0 Nm Version\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003e2.8 Nm Version\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Model\u003c\/td\u003e\n\u003ctd\u003e57J1880EC-1000-LS\u003c\/td\u003e\n\u003ctd\u003e57J18100EC-1000-LS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eTwo-phase closed-loop stepper\u003c\/td\u003e\n\u003ctd\u003eTwo-phase closed-loop stepper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHolding Torque\u003c\/td\u003e\n\u003ctd\u003e2.0 Nm\u003c\/td\u003e\n\u003ctd\u003e2.8 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Motor Current\u003c\/td\u003e\n\u003ctd\u003e5.0A\u003c\/td\u003e\n\u003ctd\u003e4.0A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Size\u003c\/td\u003e\n\u003ctd\u003e57mm\u003c\/td\u003e\n\u003ctd\u003e57mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocating Pilot Diameter\u003c\/td\u003e\n\u003ctd\u003e38.1mm\u003c\/td\u003e\n\u003ctd\u003e38.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft Diameter\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft Extension Length\u003c\/td\u003e\n\u003ctd\u003e21mm\u003c\/td\u003e\n\u003ctd\u003e21mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Body Length\u003c\/td\u003e\n\u003ctd\u003e96mm\u003c\/td\u003e\n\u003ctd\u003e120mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder\u003c\/td\u003e\n\u003ctd\u003eIncluded on motor\u003c\/td\u003e\n\u003ctd\u003eIncluded on motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMatched Driver\u003c\/td\u003e\n\u003ctd\u003e2HSS57-A-5\/24\u003c\/td\u003e\n\u003ctd\u003e2HSS57-A-5\/24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eDriver Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\"\u003e\n\u003cdiv class=\"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\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Model\u003c\/td\u003e\n\u003ctd\u003e2HSS57-A-5\/24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Type\u003c\/td\u003e\n\u003ctd\u003eTwo-phase closed-loop stepper driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24–60V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Signal Voltage\u003c\/td\u003e\n\u003ctd\u003e5–24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Pulse Input Frequency\u003c\/td\u003e\n\u003ctd\u003e200kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Inputs\u003c\/td\u003e\n\u003ctd\u003ePulse, direction and enable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder Inputs\u003c\/td\u003e\n\u003ctd\u003eDifferential A\/B signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder Power Terminals\u003c\/td\u003e\n\u003ctd\u003e+5V and GND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm Output\u003c\/td\u003e\n\u003ctd\u003eALM+ \/ ALM−\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Functions\u003c\/td\u003e\n\u003ctd\u003eOvercurrent, overvoltage and position-error alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0–70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e−20 to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eListed Humidity Range\u003c\/td\u003e\n\u003ctd\u003e40–90% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eNatural convection or forced-air cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Dimensions\u003c\/td\u003e\n\u003ctd\u003e118 × 75.5 × 35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eSelection Note:\u003c\/strong\u003e Holding torque is measured at standstill and is not the available running torque at every speed. Select the motor according to load, acceleration, operating speed and duty cycle.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCNC axis positioning\u003c\/li\u003e\n\u003cli\u003eLead-screw and belt-driven linear stages\u003c\/li\u003e\n\u003cli\u003eSmall routing and engraving equipment\u003c\/li\u003e\n\u003cli\u003eAutomated dispensing mechanisms\u003c\/li\u003e\n\u003cli\u003ePick-and-place positioning axes\u003c\/li\u003e\n\u003cli\u003eLaboratory motion systems\u003c\/li\u003e\n\u003cli\u003eCustom robotic and automation mechanisms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eController signals, mounting dimensions and load requirements must be checked before integration.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × 57mm encoder-equipped closed-loop stepper motor in the selected torque configuration\u003c\/li\u003e\n\u003cli\u003e1 × 2HSS57-A-5\/24 closed-loop stepper driver\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 2.0 Nm and 2.8 Nm versions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 2.0 Nm motor has a 96mm body length and a rated current of 5.0A. The 2.8 Nm motor has a 120mm body length and a rated current of 4.0A. Both use an 8mm diameter, 21mm long output shaft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this stepper motor kit include an encoder?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Each motor has an encoder for position feedback to the matched closed-loop driver.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power supply does the driver require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe driver accepts 24–60V DC. Choose a power supply with adequate current capacity for the complete system. The driver supply voltage is not a fixed motor winding voltage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this kit with a CNC controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe driver accepts pulse, direction and enable signals with 5–24V signal compatibility. Check your controller’s output type and follow the driver wiring instructions before connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes closed-loop control guarantee that the motor cannot lose position?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Encoder feedback allows the driver to monitor position error, but excessive load, incorrect settings or unsuitable acceleration can still prevent the motor from following the command.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs holding torque the same as running torque?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Holding torque describes the motor’s ability to resist rotation at standstill. Available running torque depends on speed, supply voltage, driver settings and load conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this driver connect directly to household AC power?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This 2HSS57-A-5\/24 driver requires a 24–60V DC supply. Do not connect it directly to household AC mains.\u003c\/p\u003e","brand":"RobotDoo","offers":[{"title":"2.0 Nm","offer_id":48378095370470,"sku":"57CL-20NM-KIT","price":104.0,"currency_code":"USD","in_stock":true},{"title":"2.8 Nm","offer_id":48378095403238,"sku":"57CL-28NM-KIT","price":112.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/57mm-closed-loop-stepper-motor-driver-kit-2nm-1_webp.png?v=1789528793","url":"https:\/\/robotdoo.com\/products\/57mm-closed-loop-stepper-motor-driver-kit","provider":"RobotDoo","version":"1.0","type":"link"}