{"product_id":"mitsubishi-mr-j3-15ka-lr-15kw-high-power-servo-drive","title":"Mitsubishi MR-J3-15KA-LR | 15kW High-Power Servo Drive","description":"\u003ch2\u003e\u003cstrong\u003eMitsubishi MR-J3-15KA-LR Servo Amplifier: High-Power Precision with Serial Control\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is the \u003cstrong\u003eMitsubishi MR-J3-15KA-LR\u003c\/strong\u003e, a high-power 15kW servo amplifier from the versatile MELSERVO MR-J3 series. The \u003cstrong\u003eMR-J3-15KA-LR\u003c\/strong\u003e is engineered for applications requiring substantial torque and precise positioning, offering robust performance through its RS-422 serial communication interface.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineered for Power and Precision\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Power Output:\u003c\/strong\u003e Delivers a substantial \u003cstrong\u003e15 kW rated output\u003c\/strong\u003e with an 87A current rating for heavy loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Resolution:\u003c\/strong\u003e Supports \u003cstrong\u003e262,144 pulses\/revolution\u003c\/strong\u003e for ultra-fine positioning accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Control:\u003c\/strong\u003e Utilizes sine-wave PWM and current control for smooth, responsive motor operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Communication:\u003c\/strong\u003e Features an \u003cstrong\u003eRS-422 serial interface\u003c\/strong\u003e for reliable command and feedback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Braking:\u003c\/strong\u003e Designed for use with an \u003cstrong\u003eexternal dynamic brake unit\u003c\/strong\u003e for controlled, high-power deceleration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eComplete Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Series:\u003c\/strong\u003e Mitsubishi Electric, MELSERVO MR-J3 Series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003eMR-J3-15KA-LR\u003c\/strong\u003e Servo Amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Output:\u003c\/strong\u003e 15.0 kW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 87 A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3-phase, 200-230VAC, 50\/60Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Current:\u003c\/strong\u003e 64 A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositioning Resolution:\u003c\/strong\u003e 262,144 pulses\/revolution (18-bit equivalent).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Method:\u003c\/strong\u003e Sine-wave PWM control, current control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Interface:\u003c\/strong\u003e RS-422 (serial communication).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Unit:\u003c\/strong\u003e Requires external dynamic brake unit (model specific).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Power Consumption:\u003c\/strong\u003e 45 W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface Power:\u003c\/strong\u003e 24VDC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Method:\u003c\/strong\u003e Forced ventilation (standard for this power class).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e \u003cstrong\u003e0°C to +55°C\u003c\/strong\u003e (non-freezing).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -20°C to +65°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Motors:\u003c\/strong\u003e Mitsubishi HF-SP, HA-LP, and other high-power 200V-class MR-J3 compatible servo motors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWarranty Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWe guarantee the quality of our products. This amplifier comes with a \u003cstrong style=\"color: #16a085;\"\u003e12-month warranty\u003c\/strong\u003e covering manufacturing defects.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal Shipping\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWe ship worldwide using reliable carriers: \u003cstrong\u003eFedEx, UPS, and DHL\u003c\/strong\u003e. Tracking is provided for all shipments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat types of applications require a 15kW servo amplifier?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eMR-J3-15KA-LR\u003c\/strong\u003e is suited for \u003cstrong\u003elarge, powerful machinery\u003c\/strong\u003e. Typical uses include large injection molding machines, heavy-duty press feeds, large material handling cranes, and industrial centrifuges where high torque at medium speeds is critical.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhy does this model require an external dynamic brake unit?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAt 15kW, the amount of regenerative energy produced during deceleration is very high. An \u003cstrong\u003eexternal brake unit with a large resistor bank\u003c\/strong\u003e is necessary to safely dissipate this heat outside the control cabinet, preventing overheating and ensuring reliable stopping performance.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eHow does RS-422 control handle such a high-power drive?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe RS-422 interface handles the \u003cstrong\u003ecommand signals and parameter communication\u003c\/strong\u003e. The actual high-power switching for the motor is handled internally by the amplifier's robust IGBT circuits. RS-422 provides a stable, noise-immune connection for control, which is sufficient for many standalone or point-to-point high-power applications.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat is the practical meaning of 262,144 pulses\/revolution?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis high resolution means the controller can address \u003cstrong\u003eover a quarter-million distinct positions within one motor revolution\u003c\/strong\u003e. This allows for extremely fine control of positioning, critical in applications like precision machining, winding, or printing where minute movements matter.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat are key installation requirements for this amplifier?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eInstallation requires: a \u003cstrong\u003ehigh-current 3-phase power supply\u003c\/strong\u003e with appropriate fusing, heavy-gauge wiring, adequate cabinet space for heat dissipation (forced cooling), proper mounting of the external brake resistor in a ventilated area, and correct grounding for safety and noise immunity.\u003c\/p\u003e\n\u003cp\u003e© 2025 Ubest Automation Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone\/WhatsApp: \u003ca href=\"https:\/\/wa.me\/8618030005825\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Mitsubishi","offers":[{"title":"Default Title","offer_id":51492337844506,"sku":"MR-J3-15KA-LR","price":182.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/MR-J3-15KA4-LR_3.jpg?v=1766541149","url":"https:\/\/www.ubestplc.com\/products\/mitsubishi-mr-j3-15ka-lr-15kw-high-power-servo-drive","provider":"Ubest Automation Limited","version":"1.0","type":"link"}