{"product_id":"mitsubishi-electric-hg-kr73b-hg-kr-rotary-servo-motor","title":"HG-KR73B | Mitsubishi Electric | Moteur servo rotatif HG-KR","description":"\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDelivering high-precision motion control in a low-inertia design, this 750W rotary servo motor is engineered for high-duty dynamic positioning applications. The \u003cstrong\u003eMitsubishi Electric HG-KR73B\u003c\/strong\u003e features an integrated electromagnetic brake and a high-resolution absolute encoder to ensure stable performance and safety under demanding industrial loads. It integrates seamlessly with MR-J4 series servo amplifiers to provide reliable velocity and position loop control.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Inertia Design:\u003c\/strong\u003e Optimized for high-frequency positioning cycles and rapid acceleration\/deceleration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectromagnetic Holding Brake:\u003c\/strong\u003e Built-in safety brake designed for vertical axis control and position retention during power-off states.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Resolution Feedback:\u003c\/strong\u003e Equipped with a 22-bit absolute\/incremental encoder providing 4,194,304 pulses per revolution for exceptional positioning accuracy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Protection:\u003c\/strong\u003e IP65-rated totally enclosed, self-cooled construction suitable for challenging industrial environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Integration:\u003c\/strong\u003e Fully compatible with CC-Link IE Field, SSCNET III\/H, and general-purpose pulse\/analog interfaces via compatible MR-J4 amplifiers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1rem;\"\u003e\n  \u003cli\u003eHigh-speed packaging machinery and labeling systems.\u003c\/li\u003e\n  \u003cli\u003eMaterial handling systems and pick-and-place robotic gantries.\u003c\/li\u003e\n  \u003cli\u003eMulti-axis CNC feed systems and textile machinery.\u003c\/li\u003e\n  \u003cli\u003eVertical lift axes requiring positive-lock holding brakes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eTechnical Specifications\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 #1a365d;\"\u003e\n        \u003cth style=\"padding: 0.75rem; text-align: left; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; text-align: left; font-weight: bold;\"\u003eValue\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: 0.75rem; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eHG-KR73B\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSeries\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eHG-KR (Low Inertia, Small Capacity)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eRated Output\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e0.75 kW (750 W)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eRated Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3000 r\/min\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eMaximum Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e6000 r\/min\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eRated Torque\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e2.4 N.m\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eMaximum Torque\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e8.4 N.m\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eRated Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e4.8 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eMaximum Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e17 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eVoltage Class\u003c\/td\u003e\n        \u003ctd style=\"padding: 200V AC;\"\u003e200V AC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePower Supply Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e1.3 kVA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eMoment of Inertia (J)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e1.37 x 10^-4 kg.m2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eEncoder Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e22-bit Absolute\/Incremental (4,194,304 pulses\/rev)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eElectromagnetic Brake\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eInstalled (Holding brake)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eThermal Class\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e130 (B)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eProtection Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\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: 0.75rem; font-weight: bold;\"\u003eVibration Resistance\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e49 m\/s2 (X and Y directions)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e0 to 40 degC (non-freezing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3.8 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e5.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eCompatible Servo Amplifiers\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 #1a365d;\"\u003e\n        \u003cth style=\"padding: 0.75rem; text-align: left; font-weight: bold;\"\u003eInterface Type\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; text-align: left; font-weight: bold;\"\u003eCompatible Models\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: 0.75rem; font-weight: bold;\"\u003eCC-Link IE Field Network\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMR-J4-70GF, MR-J4-70GF-RJ, MR-J4-70B-RJ010\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSSCNET III\/H Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMR-J4-70B, MR-J4-70B-RJ\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eMulti-Axis SSCNET III\/H\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMR-J4W2-77B, MR-J4W2-1010B\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eGeneral-Purpose (Pulse\/Analog)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMR-J4-70A, MR-J4-70A-RJ\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe HG-KR73B serves as a direct upgrade path for legacy HF-KP73B series motors. When transitioning from HF-KP to HG-KR, ensure that the servo amplifier firmware is updated to support the 22-bit encoder resolution. Physical mounting dimensions (flange size and shaft diameter) remain identical, allowing for straightforward mechanical retrofits.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe integrated electromagnetic brake on the HG-KR73B is strictly a \u003cstrong\u003eholding brake\u003c\/strong\u003e and must never be used for dynamic deceleration or emergency stopping. Engaging the brake while the motor is rotating at high speed will cause rapid wear of the friction plates, leading to premature mechanical failure. For high-duty vertical axes, ensure the amplifier's brake output delay time (MBR signal) is correctly calibrated to prevent axis drop during power-up sequences.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways use dedicated, double-shielded encoder cables to connect the HG-KR73B to the MR-J4 amplifier. High-frequency noise from the motor power lines can corrupt the 22-bit serial encoder data if run in the same conduit without proper shielding. Ensure the motor frame is grounded directly to the amplifier's ground terminal, and verify that the 24V DC power supply feeding the electromagnetic brake is regulated and isolated from the control logic power supply.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"margin: 0; font-weight: bold; color: #9b2c2c;\"\u003eCRITICAL WARNING:\u003c\/p\u003e\n  \u003cp style=\"margin: 0.5rem 0 0 0; color: #9b2c2c; font-size: 0.95rem;\"\u003eEnsure all primary AC power sources are completely de-energized and locked out before attempting installation or maintenance. Wait at least 15 minutes for the servo amplifier's internal bus capacitors to fully discharge. Verify zero voltage across the bus terminals before handling motor power connections.\u003c\/p\u003e\n\u003c\/div\u003e\n\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: 0.75rem; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the motor securely to a rigid, flat metal surface to facilitate heat dissipation. Ensure alignment of the motor shaft with the load coupling is within the specified radial (392 N) and thrust (147 N) limits to prevent bearing wear.\u003c\/p\u003e\n\u003c\/div\u003e\n\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: 0.75rem; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect the encoder cable and power cable to their respective receptacles. Ensure the connectors are fully seated and locked to maintain the IP65 environmental seal.\u003c\/p\u003e\n\u003c\/div\u003e\n\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: 0.75rem; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eWire the electromagnetic brake terminals to a dedicated 24V DC power source controlled by the amplifier's brake interlock (MBR) relay. Do not share this 24V line with inductive sensors or high-noise devices.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1.5rem;\"\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: 0.75rem; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003ePerform a trial run at low speed without a mechanical load to verify correct rotation direction, encoder feedback, and holding brake release functionality before full system commissioning.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102153466219,"sku":"HG-KR73B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/hg-kr73b-ratn0mylrjv.png?v=1776137696","url":"https:\/\/www.plcprotech.com\/fr\/products\/mitsubishi-electric-hg-kr73b-hg-kr-rotary-servo-motor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}