{"product_id":"mitsubishi-electric-hg-mr73b-melservo-hg-mr-series-servo-motor","title":"Mitsubishi Electric HG-MR73B MELSERVO HG-MR Series Servo Motor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eDesigned for high-dynamic, high-precision industrial motion control, the \u003cstrong\u003eHG-MR73B\u003c\/strong\u003e rotary AC servo motor delivers rapid acceleration and deceleration capabilities within an ultra-low inertia footprint. This 750W power-class actuator integrates directly with Mitsubishi Electric MELSERVO-J4 servo amplifiers, providing high-resolution positioning and robust performance in high-speed machinery. Featuring an integrated electromagnetic brake, this module ensures reliable shaft retention during power-loss or disabled states, making it highly suited for vertical axis control or holding applications.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUltra-low inertia rotor design optimized for high-frequency start\/stop operational profiles.\u003c\/li\u003e\n  \u003cli\u003eHigh-resolution 22-bit absolute\/incremental encoder providing 4,194,304 pulses per revolution for exceptional positioning accuracy and velocity smoothness.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in electromagnetic holding brake (\"B\" suffix) to prevent axis slippage during power cuts.\u003c\/li\u003e\n  \u003cli\u003eIP65 environmental protection rating (excluding the shaft-through portion) for resilience in challenging industrial conditions.\u003c\/li\u003e\n  \u003cli\u003eSeamless integration with the MELSERVO-J4 amplifier platform via high-speed serial feedback.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-speed pick-and-place industrial robotics.\u003c\/li\u003e\n  \u003cli\u003eMaterial handling inserters and packaging machinery.\u003c\/li\u003e\n  \u003cli\u003eSemiconductor manufacturing and wafer handling equipment.\u003c\/li\u003e\n  \u003cli\u003eX-Y gantry systems and vertical axis positioning assemblies.\u003c\/li\u003e\n  \u003cli\u003eTextile feeder and tension control machinery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCategory\u003c\/strong\u003e\n      \u003cstrong\u003eSpecification Parameter\u003c\/strong\u003e\n      \u003cstrong\u003eValue\u003c\/strong\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003ctd\u003eMELSERVO HG-MR Series\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel\/Part Number\u003c\/td\u003e\n      \u003ctd\u003eHG-MR73B\u003c\/td\u003e\n      \u003ctd\u003eRotary AC Servo Motor\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRated Output Power\u003c\/td\u003e\n      \u003ctd\u003e0.75 kW (750 W)\u003c\/td\u003e\n      \u003ctd\u003eContinuous duty rating\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRated Speed\u003c\/td\u003e\n      \u003ctd\u003e3000 r\/min\u003c\/td\u003e\n      \u003ctd\u003eBase operating velocity\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMaximum Speed\u003c\/td\u003e\n      \u003ctd\u003e6000 r\/min\u003c\/td\u003e\n      \u003ctd\u003ePeak allowable velocity\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInertia Classification\u003c\/td\u003e\n      \u003ctd\u003eUltra-low inertia\u003c\/td\u003e\n      \u003ctd\u003eDesigned for rapid response\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eElectromagnetic Brake\u003c\/td\u003e\n      \u003ctd\u003eIntegrated (Holding brake)\u003c\/td\u003e\n      \u003ctd\u003eActuated via external 24 VDC supply\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEncoder Resolution\u003c\/td\u003e\n      \u003ctd\u003e22-bit (4,194,304 pulses\/rev)\u003c\/td\u003e\n      \u003ctd\u003eAbsolute\/Incremental encoder feedback\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIP Rating\u003c\/td\u003e\n      \u003ctd\u003eIP65\u003c\/td\u003e\n      \u003ctd\u003eExcludes shaft-through portion\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAmbient Operating Temperature\u003c\/td\u003e\n      \u003ctd\u003e0 to 40 degC\u003c\/td\u003e\n      \u003ctd\u003eNon-freezing environment\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAmbient Operating Humidity\u003c\/td\u003e\n      \u003ctd\u003e85% RH or less\u003c\/td\u003e\n      \u003ctd\u003eNon-condensing atmosphere\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Amplifiers\u003c\/td\u003e\n      \u003ctd\u003eMR-J4-70A, MR-J4-70B, MR-J4-70GF\u003c\/td\u003e\n      \u003ctd\u003eMELSERVO-J4 Series 750W Amplifiers\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eConnection Interface\u003c\/th\u003e\n      \u003cth\u003eFunction Description\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMotor Power Connector\u003c\/td\u003e\n      \u003ctd\u003eSupplies 3-phase AC power (U, V, W) and protective earth (PE) ground to the motor windings.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBrake Connector\u003c\/td\u003e\n      \u003ctd\u003eDedicated 24 VDC input connection to engage\/release the internal electromagnetic holding brake.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEncoder Connector\u003c\/td\u003e\n      \u003ctd\u003eTransmits high-speed serial feedback data directly to the matching servo amplifier.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Alignment:\u003c\/strong\u003e Ensure precise alignment between the motor shaft and the driven load. Always use flexible couplings to mitigate radial and axial forces beyond specified shaft load limits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrake Operation:\u003c\/strong\u003e The electromagnetic brake is strictly designed as a holding brake. Do not use this brake for dynamic braking or deceleration control under normal operating conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Routing:\u003c\/strong\u003e Separate encoder cables from main power and motor drive cables by at least 10 cm to prevent electromagnetic interference (EMI).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat Dissipation:\u003c\/strong\u003e Mount the motor in a well-ventilated space, ensuring the surrounding air temperature does not exceed 40 degC during continuous duty cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCE (Conformite Europeenne)\u003c\/li\u003e\n  \u003cli\u003eUL Listed \/ cUL Certified\u003c\/li\u003e\n  \u003cli\u003eKC (Korea Certification)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102305706347,"sku":"HG-MR73B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/hg-mr73b-rh4lfjgj5hl.png?v=1776137702","url":"https:\/\/www.plcprotech.com\/ms\/products\/mitsubishi-electric-hg-mr73b-melservo-hg-mr-series-servo-motor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}