{"product_id":"mitsubishi-servo-drive-11kw-class-amplifier-mr-j3-11kb","title":"Mitsubishi Servo Drive | 11kW Class Amplifier MR-J3-11KB","description":"\u003ch2\u003eMitsubishi MR-J3-11KB AC Servo Drive\u003c\/h2\u003e\n\u003cp\u003eThe Mitsubishi \u003cb\u003eMR-J3-11KB\u003c\/b\u003e is a high-power AC motion servo drive engineered for demanding industrial automation. This 11 kW unit delivers robust performance and precise control for heavy-duty applications. It is a key component of the reliable MELSERVO MR-J3 series from Mitsubishi Electric.\u003c\/p\u003e\n\u003ch3\u003eCore Electrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer \u0026amp; Model:\u003c\/strong\u003e Mitsubishi \u003cb\u003eMR-J3-11KB\u003c\/b\u003e AC Servo Drive\/Amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Output:\u003c\/strong\u003e 11000W (11 kW) with a high rated current of \u003cstrong\u003e68 A\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3-phase 200-230 VAC input (200V 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\u003eControl Method:\u003c\/strong\u003e Sine wave PWM and current control for smooth, accurate operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e High-speed SSCNET III\/H optical network interface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance \u0026amp; Protection Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Modes:\u003c\/strong\u003e Supports precise positioning mode among other control modes.\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 Functions:\u003c\/strong\u003e Overcurrent shut-off, regeneration overvoltage shut-off, motor overheat, and encoder fault protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Temperature:\u003c\/strong\u003e Reliable operation in temperatures from \u003cstrong\u003e0 to +55 °C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Weight:\u003c\/strong\u003e Robust construction with a weight of 14.56 lbs (6.61 kg).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal for large presses, heavy material handling, and high-power CNC machinery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging \u0026amp; Shipping Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne Mitsubishi MR-J3-11KB Servo Drive unit.\u003c\/li\u003e\n\u003cli\u003eComplete installation manual and technical documentation.\u003c\/li\u003e\n\u003cli\u003eAll necessary mounting hardware.\u003c\/li\u003e\n\u003cli\u003eFast global shipping via FedEx, UPS, and DHL services.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProfessional FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat types of industrial machines require an 11kW servo drive?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis drive is designed for very high-power applications such as large metal forming presses, heavy-duty injection molding machines, large industrial robots, and the main spindle or feed axes of large-scale CNC machining centers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHow does the SSCNET III\/H interface benefit this high-power system?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe fiber-optic SSCNET III\/H network provides ultra-fast, noise-immune communication. This is critical for 11kW drives in synchronized multi-axis systems, ensuring real-time command updates for precise coordination and high-speed response.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhy is encoder fault protection important?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf the encoder cable is damaged or disconnected, the drive loses critical feedback on motor position\/speed. This protection immediately faults the drive to prevent uncontrolled motion (a \"runaway\" condition), which could cause machine damage or safety hazards.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat does \"regeneration overvoltage shut-off\" protect against?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDuring rapid deceleration, the motor generates energy that raises the DC bus voltage. This feature shuts the drive off if the voltage exceeds a safe limit, protecting the drive's capacitors and power components from damage caused by excessive regenerative energy.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat are the installation requirements for the forced ventilation cooling?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnsure the drive is mounted vertically with the specified clearance (typically above and below) as per the manual. This allows the internal fan to effectively draw cool air in and exhaust hot air out, preventing thermal overload.\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":51489218199834,"sku":"MR-J3-11KB","price":209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/MR-J3-11KB4-LR.jpg?v=1766453289","url":"https:\/\/www.ubestplc.com\/products\/mitsubishi-servo-drive-11kw-class-amplifier-mr-j3-11kb","provider":"Ubest Automation Limited","version":"1.0","type":"link"}