{"product_id":"mitsubishi-electric-hg-mr43b-hg-mr-series-ac-servo-motor","title":"Mitsubishi Electric HG-MR43B HG-MR Series AC Servo Motor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eProviding high-dynamic positioning in compact industrial automation architectures, the \u003cstrong\u003eMitsubishi Electric HG-MR43B\u003c\/strong\u003e is an ultra-low inertia AC servo motor engineered specifically for high-duty cycle applications. Integrating an advanced electromagnetic holding brake, this motor ensures immediate load-locking and position preservation during power-down states or emergency stops. By pairing an ultra-low rotor inertia core with a high-resolution absolute feedback system, this unit delivers exceptional acceleration profiles, minimal thermal dissipation, and micro-precision motion synchronization when driven by compatible MELSERVO MR-J4 servo amplifiers.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Inertia Rotor:\u003c\/strong\u003e Optimized for rapid start-stop duty cycles, permitting high-frequency positioning sequences without thermal overload.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Safety Brake:\u003c\/strong\u003e Electromagnetic holding brake provides secure physical axis locking when control power is deactivated.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Resolution Feedback:\u003c\/strong\u003e Outfitted with a high-density encoder to achieve outstanding path tracking, velocity control, and positioning repeatability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRugged Environmental Execution:\u003c\/strong\u003e IP65-compliant casing protects critical internal windings and active electronics against industrial moisture and particulate contamination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eHigh-speed pick-and-place robotic systems and multi-axis Cartesian gantries.\u003c\/li\u003e\n  \u003cli\u003ePrecision electronic assembly machinery and semiconductor wafer handling equipment.\u003c\/li\u003e\n  \u003cli\u003eIn-line rotary packaging, labeling, and continuous form-fill-seal machines.\u003c\/li\u003e\n  \u003cli\u003eDynamic material handling diverters and indexing rotary tables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications Table\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eModel Identifier\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eHG-MR43B\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eMotor Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eHG-MR (Ultra-Low Inertia, Small Capacity)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eRated Output Power\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.4 kW (400 W)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eRated Rotational Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3000 r\/min\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eMaximum Rotational Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e6000 r\/min\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eRated Continuous Torque\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.3 N-m\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eElectromagnetic Brake\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eYes (Holding type)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eBrake Rated Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e24 VDC (+0% \/ -10%)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eFeedback Encoder Resolution\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e22-bit (4,194,304 pulses\/rev) absolute \/ incremental\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eIngress Protection Class\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIP65 (excluding shaft-through portion)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eJapan\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e210 mm x 150 mm x 120 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eConnector Pin\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eFunction \/ Circuit Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePower Pin U\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePhase U motor excitation input\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePower Pin V\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePhase V motor excitation input\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePower Pin W\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePhase W motor excitation input\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eGround (PE)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eProtective earth grounding terminal (housing link)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eBrake Pin B1 \/ B2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e24 VDC polarity-independent holding brake activation input\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThis model serves as the physical and electrical successor to the older HF-KP43B series. While physical mounting dimensions (flange size and pilot diameter) remain identical to ease mechanical retrofits, the encoder feedback architecture is fundamentally upgraded to 22-bit serial communication. Because of this, it must be paired with MR-J4 series amplifiers. Attempting to run this motor on older MR-J3 amplifiers will cause initialization and encoder serial communication handshake faults.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe integrated electromagnetic brake is strictly a holding brake and must never be utilized for dynamic braking or load deceleration during operation. Forcing the electromagnetic brake to absorb rotational kinetic energy will rapidly glaze the internal friction plates, causing permanent loss of holding torque. Standard configuration must reserve brake activation for zero-speed scenarios or power outages.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eTo eliminate high-frequency electromagnetic interference (EMI) from inducing feedback tracking errors (such as AL 37 or AL 50 on the drive), ensure the encoder cable shield is clamped to the servo amplifier ground plate. Do not route the encoder feedback line immediately parallel to high-power AC lines; a minimum separation of 100 mm is recommended unless adequate metallic conduit segregation is established.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING: SAFETY AND PROTECTION\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eEnsure primary three-phase power feed to the servo amplifier is completely isolated and verified de-energized prior to terminal access. Discharge capacitors on the DC bus link by waiting at least 15 minutes post-power isolation before conducting resistance tests on motor stator windings.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003e\n      \u003cstrong\u003eMechanical Shaft Alignment:\u003c\/strong\u003e Securely align the motor shaft to the driving load. Use flexible couplings to compensate for any minor concentricity or angular misalignments to safeguard internal bearings from excessive radial\/thrust loading.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003e\n      \u003cstrong\u003eCable Routing \u0026amp; Shielding:\u003c\/strong\u003e Route motor power cables (U, V, W, PE) separate from encoder feedback channels to avoid electromagnetic crosstalk. Fasten proper strain relief brackets to secure the circular connection points.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003e\n      \u003cstrong\u003eBrake Power Supply Isolation:\u003c\/strong\u003e Feed the holding brake from a dedicated 24 VDC power supply separate from the drive control unit power loop to prevent transient drops during brake engagement from destabilizing control circuits.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102148583787,"sku":"HG-MR43B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/hg-mr43b-i5b1jklgsgh.png?v=1776137699","url":"https:\/\/www.plcprotech.com\/ms\/products\/mitsubishi-electric-hg-mr43b-hg-mr-series-ac-servo-motor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}