{"product_id":"mitsubishi-electric-hg-kr43bj-hg-kr-series-ac-servo-motor","title":"Mitsubishi Electric HG-KR43BJ HG-KR Series AC Servo Motor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eOperating as a high-precision rotary drive within automated industrial networks, the Mitsubishi Electric HG-KR43BJ delivers low-inertia performance optimized for rapid acceleration and deceleration cycles. This \u003cstrong\u003e0.4 kW\u003c\/strong\u003e motor belongs to the low-inertia, small-capacity HG-KR series and features an integrated \u003cstrong\u003eelectromagnetic brake\u003c\/strong\u003e and a specialized \u003cstrong\u003eoil seal\u003c\/strong\u003e to support high-duty machine operations. Engineered to pair with MELSERVO-J4 amplifiers, it provides reliable closed-loop feedback and precise speed control up to a rated \u003cstrong\u003e3000 r\/min\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\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\u003eLow-Inertia Rotor:\u003c\/strong\u003e Tailored for dynamic, high-frequency positioning sequences.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectromagnetic Brake:\u003c\/strong\u003e Integrated holding brake ensures secure shaft locking during power-down states or safety stops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShaft Oil Seal:\u003c\/strong\u003e Provides robust mechanical protection against fluid and lubricant ingress at the output shaft interface.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Insulation:\u003c\/strong\u003e Built to Insulation Class 130 (B) specifications for thermal endurance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Torque Output:\u003c\/strong\u003e Delivers a peak torque capability of up to 4.5 N.m for demanding acceleration curves.\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: 1.5rem;\"\u003e\n  \u003cli\u003eMulti-axis Cartesian robotics and handling systems.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed packaging, labeling, and sorting machinery.\u003c\/li\u003e\n  \u003cli\u003eSemiconductor fabrication systems and electronic component inserters.\u003c\/li\u003e\n  \u003cli\u003ePrecision X-Y motion tables and machine tool auxiliary axes.\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; font-size: 0.95rem;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold; color: #1a365d;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold; color: #1a365d;\"\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: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eHG-KR43BJ\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMotor Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\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: 8px; font-weight: bold;\"\u003eRated Output Power\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\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: 8px; font-weight: bold;\"\u003eRated Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3000 r\/min\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRated Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2.6 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMaximum Torque\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e4.5 N.m\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eElectromagnetic Brake\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEquipped (Holding Brake)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOil Seal\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEquipped\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInsulation Class\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e130 (B)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eVibration Rank\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eV10\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eEnvironmental Constraints\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIndoor installation, free of corrosive gas, flammable gas, oil mist, and dust\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNet Motor Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1.8 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3.0 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;\"\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; font-size: 0.95rem;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold; color: #1a365d;\"\u003eConnection Interface\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold; color: #1a365d;\"\u003eDescription \/ 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: 8px; font-weight: bold;\"\u003ePower Connector\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eU, V, W, and PE grounding terminals for motor phase excitation.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eBrake Terminals\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDedicated DC holding brake power supply leads (non-polarized).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eEncoder Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eHigh-resolution absolute\/incremental serial encoder output connection.\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: 0.25rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe HG-KR43BJ functions as a direct successor to legacy HF-KP series motors of equivalent physical sizing. When migrating to the HG-KR range, confirm that your MR-J4 series amplifier firmware is fully updated. Verify mounting configurations, as shaft and flange alignment profiles remain matched with previous generations, but encoder communication protocols require compatible MR-J4-40A\/B drive platforms.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.25rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe built-in electromagnetic brake is designed exclusively as a static holding brake. It is critical to avoid utilizing this brake for dynamic deceleration or emergency stopping during shaft rotation, as rapid friction wear will compromise holding torque. Always program the servo drive to ramp speed down to zero before applying the mechanical brake contactor.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.25rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEnsure the motor frame is grounded via a dedicated low-impedance ground conductor back to the servo drive PE terminal to mitigate high-frequency PWM switching noise. If operating in environments with intermittent mist, configure the motor cabling to include a drip loop so that fluids run away from the connector entry points, preserving the integrity of the oil seal.\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; border-radius: 4px;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING: ELECTRICAL \u0026amp; KINETIC SAFETY\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-size: 0.95rem;\"\u003eDisconnect all incoming electrical power supplies to both the servo drive and the auxiliary holding brake circuits before attempting any wiring or mechanical mounting procedures. Verify that drive bus capacitors have fully discharged prior to handling output phase cables. Lock out\/tag out (LOTO) procedures must be followed strictly.\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; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003e\n      \u003cstrong\u003eMechanical Alignment:\u003c\/strong\u003e Securely bolt the motor flange to the mounting plate. Ensure correct alignment with the driven shaft using a flexible coupling to minimize radial and axial load stresses.\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; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003e\n      \u003cstrong\u003eCable Routing \u0026amp; Grounding:\u003c\/strong\u003e Route separate encoder and power cables. Maintain physical separation between power conductors and signal feedback loops to prevent electromagnetic interference.\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; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003e\n      \u003cstrong\u003eBrake Power Integration:\u003c\/strong\u003e Wire the 24V DC electromagnetic holding brake circuit through a dedicated relay controlled directly by the servo amplifier's brake output signal.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102148518251,"sku":"HG-KR43BJ","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/hg-kr43bj-eauoejdkop2.png?v=1776137695","url":"https:\/\/www.plcprotech.com\/tr\/products\/mitsubishi-electric-hg-kr43bj-hg-kr-series-ac-servo-motor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}