{"product_id":"mitsubishi-mr-j3-du55kbs4-55kw-high-power-servo-drive","title":"Mitsubishi MR-J3-DU55KBS4 | 55kW High-Power Servo Drive","description":"\u003ch2\u003e\u003cstrong\u003eMitsubishi MR-J3-DU55KBS4 Servo Amplifier: Maximum Power for Heavy-Duty Motion\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is the \u003cstrong\u003eMitsubishi MR-J3-DU55KBS4\u003c\/strong\u003e, the powerhouse of the MELSERVO MR-J3 series. Designed for the most demanding applications, this \u003cstrong\u003e55kW servo amplifier\u003c\/strong\u003e delivers immense torque and precision control for large industrial machinery. The \u003cstrong\u003eMR-J3-DU55KBS4\u003c\/strong\u003e is built for integration, reliability, and safety in high-power motion systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eUnmatched Power and Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Power Output:\u003c\/strong\u003e Delivers a massive \u003cstrong\u003e55 kW rated output\u003c\/strong\u003e with 143A current for driving very large servo motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Voltage Operation:\u003c\/strong\u003e Designed for 400V-class industrial power (380-480VAC, 3-phase).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Network:\u003c\/strong\u003e Features \u003cstrong\u003eSSCNET III\/H\u003c\/strong\u003e fiber optic communication for synchronized, multi-axis control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety:\u003c\/strong\u003e Includes comprehensive \u003cstrong\u003eintegrated drive safety\u003c\/strong\u003e functions and protection circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Drive Ready:\u003c\/strong\u003e Designed to be compatible and synchronized with other drive units in a system.\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-DU55KBS4\u003c\/strong\u003e Servo Amplifier\/Drive Unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Output:\u003c\/strong\u003e 55.0 kW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 143 A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3-phase, 380-480VAC, 50\/60Hz (400V class).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Interface:\u003c\/strong\u003e SSCNET III\/H (High-speed fiber optic network).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Method:\u003c\/strong\u003e Advanced sine-wave PWM control with high-performance current regulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Functions:\u003c\/strong\u003e Overcurrent, regeneration overvoltage, overload, undervoltage, overspeed, excessive error protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Features:\u003c\/strong\u003e Integrated safety functions (STO - Safe Torque Off likely supported).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Method:\u003c\/strong\u003e Integrated forced cooling system (specific type: liquid or forced air to be confirmed).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Inputs\/Outputs:\u003c\/strong\u003e Multiple digital I\/O for control and status monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Temperature:\u003c\/strong\u003e \u003cstrong\u003e0°C to +55°C\u003c\/strong\u003e for operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for multi-axis configurations with other MR-J3 drive units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Applications:\u003c\/strong\u003e Large press lines, heavy-duty test rigs, large CNC gantry mills, extruders, mining machinery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWarranty and Support Commitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWe provide confidence for your critical investments. This high-power amplifier is covered by a standard \u003cstrong style=\"color: #16a085;\"\u003e12-month warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal Logistics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWe coordinate specialized shipping for large industrial components. Deliveries are arranged via \u003cstrong\u003eFedEx, UPS, or DHL\u003c\/strong\u003e freight services, with full tracking and logistics support.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat kind of machinery requires a 55kW servo amplifier?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis amplifier is for the most demanding applications. It is used in \u003cstrong\u003elarge industrial machines\u003c\/strong\u003e such as metal stamping presses, plastic injection molding machines (large clamp), heavy-duty rolling mills, large-scale material handling cranes, and test stands for automotive or aerospace components.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat is the difference between SSCNET III and SSCNET III\/H?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eSSCNET III\/H\u003c\/strong\u003e is an enhanced version offering higher transmission speeds and improved synchronization performance. It is designed for high-performance systems where minimizing control latency across many large axes is absolutely critical.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat does \"Integrated Drive Safety\" typically include?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis often refers to built-in safety functions compliant with standards like IEC 61800-5-2. A key feature is typically \u003cstrong\u003eSafe Torque Off (STO)\u003c\/strong\u003e, which safely disables the motor drive torque without relying on an external contactor, enhancing safety and reliability.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat special installation considerations are needed for this high-power unit?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eInstallation is critical. It requires: a \u003cstrong\u003ededicated high-current power supply\u003c\/strong\u003e, proper thick gauge wiring, a robust and ventilated cabinet, potential external cooling (if liquid-cooled), correct grounding, and often coordination with facilities management for electrical supply.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eCan this drive be used in a single-axis system, or is it only for multi-axis?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eIt can be used for a single, very large motor. However, its advanced communication (SSCNET III\/H) and multi-drive compatibility features make it particularly cost-effective and powerful when used as part of a \u003cstrong\u003esynchronized multi-axis system\u003c\/strong\u003e controlling a complex machine.\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":51492096213274,"sku":"MR-J3-DU55KBS4","price":184.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/MR-J3-DU55KBS4_3.jpg?v=1766541151","url":"https:\/\/www.ubestplc.com\/products\/mitsubishi-mr-j3-du55kbs4-55kw-high-power-servo-drive","provider":"Ubest Automation Limited","version":"1.0","type":"link"}