{"product_id":"mitsubishi-servo-amplifier-15kw-400v-drive-mr-j3-15kb4","title":"Mitsubishi Servo Amplifier | 15kW 400V Drive MR-J3-15KB4","description":"\u003ch2\u003eMitsubishi MR-J3-15KB4 15kW Servo Amplifier\u003c\/h2\u003e\n\u003cp\u003eThe Mitsubishi \u003cb\u003eMR-J3-15KB4\u003c\/b\u003e is a high-power AC motion servo amplifier engineered for the most demanding industrial applications. This 15kW unit from the MELSERVO MR-J3 series delivers exceptional torque and precision for heavy-duty automation. It is built for 400V class systems and features advanced control capabilities.\u003c\/p\u003e\n\u003ch3\u003ePrimary Electrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer \u0026amp; Model:\u003c\/strong\u003e Mitsubishi \u003cb\u003eMR-J3-15KB4\u003c\/b\u003e AC Motion Servo Amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Output:\u003c\/strong\u003e 15000W (15 kW) with a high rated current of \u003cstrong\u003e41 A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3-phase 380-480 Vac input (400V class).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Type:\u003c\/strong\u003e Designed for 3-phase input (3P) industrial power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e High-speed SSCNET III\/H optical network interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Method:\u003c\/strong\u003e Sine wave PWM control for smooth and efficient motor operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDesign \u0026amp; Operational Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Mode:\u003c\/strong\u003e Specialized for precise positioning mode control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling System:\u003c\/strong\u003e Forced ventilation cooling ensures thermal stability under heavy loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Integrated overcurrent shut-off protection for system safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Temperature:\u003c\/strong\u003e Rated for reliable operation from \u003cstrong\u003e0 to +55°C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Panel-mounted configuration; Dimensions: H400mm x W260mm x D260mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal for large machine tools, heavy presses, and high-inertia material handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging \u0026amp; Shipping Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne Mitsubishi MR-J3-15KB4 Servo Amplifier unit.\u003c\/li\u003e\n\u003cli\u003eComplete installation manual and technical documentation.\u003c\/li\u003e\n\u003cli\u003eAll necessary mounting hardware for panel installation.\u003c\/li\u003e\n\u003cli\u003eGlobal shipping services via FedEx, UPS, and DHL for timely delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProfessional FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat industrial applications typically require a 15kW servo amplifier?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis amplifier is designed for very high-power applications such as large metal forming presses, heavy-duty CNC machining centers, large industrial robots, and automated material handling systems for heavy components where immense force and precise positioning are critical.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHow does the SSCNET III\/H interface benefit a high-power positioning system?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe fiber-optic SSCNET III\/H network provides ultra-fast, jitter-free communication between the controller and amplifier. This is essential for 15kW drives in positioning applications to ensure real-time command updates, resulting in higher accuracy, better synchronization in multi-axis systems, and reduced settling time.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhy is forced ventilation cooling critical for this amplifier?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAt 15kW of continuous power, the amplifier generates significant heat. The forced ventilation system (internal fan) actively circulates air to cool the power semiconductors and other critical components. This prevents thermal overload, ensures rated performance, and extends the service life of the unit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat are the key considerations for panel mounting this large amplifier?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnsure the mounting panel is structurally sound to support the weight and vibration. Adhere strictly to the specified dimensions and clearance requirements (especially above and below for airflow) provided in the manual. Proper spacing from other heat-generating components is also crucial.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDoes the overcurrent protection protect the motor as well as the amplifier?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYes, the overcurrent shut-off protection monitors the output current to the motor. If a fault like a motor stall, short circuit, or extreme overload occurs, it quickly shuts off the output, safeguarding both the \u003cb\u003eMR-J3-15KB4\u003c\/b\u003e amplifier and the connected servo motor from damage.\u003c\/p\u003e\n\u003cp\u003e© 2025 Ubest Automation Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.ubestplc.com\/\" target=\"_blank\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8618030005825\" target=\"_blank\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Mitsubishi","offers":[{"title":"Default Title","offer_id":51488467779866,"sku":"MR-J3-15KB4","price":187.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/MR-J3-15KB-LR-1.jpg?v=1766992380","url":"https:\/\/www.ubestplc.com\/products\/mitsubishi-servo-amplifier-15kw-400v-drive-mr-j3-15kb4","provider":"Ubest Automation Limited","version":"1.0","type":"link"}