{"product_id":"mitsubishi-melsec-mr-j3-40a-servo-amplifier-400w-3-phase-or-1-phase-200v","title":"Mitsubishi MELSEC MR-J3-40A Servo Amplifier | 400W 3-Phase or 1-Phase 200V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMR-J3-40A (MRJ340A)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance AC servo amplifier from Mitsubishi Electric’s flagship MR-J3 series. Rated for a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e400W\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutput, this \"General-Purpose Interface\" model (Type A) is designed for high-speed, high-precision motion control using pulse train or analog voltage input.\u003c\/p\u003e\n\u003cp\u003eThe MR-J3-40A is recognized for its industry-leading\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2100Hz speed frequency response\u003c\/strong\u003e, which enables ultra-short positioning times and exceptional synchronization in demanding applications like semiconductor manufacturing, high-speed labeling, and CNC precision machining. Equipped with advanced auto-tuning and vibration suppression, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMR-J3-40A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures that even machines with high inertia or mechanical resonance operate with smooth, stable motion.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance\u003c\/h3\u003e\n\u003cp\u003eThe MR-J3 series introduced several breakthrough technologies for the industrial automation market:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e18-Bit High-Resolution Encoder:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports encoders with 262,144 pulses per revolution, providing extreme speed constancy and positioning accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Vibration Suppression Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAutomatically neutralizes vibrations at the end of a move and reduces resonance frequencies caused by machine arm flexibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReal-Time Auto-Tuning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"Model Adaptive Control\" continuously calculates the load inertia ratio and adjusts gain parameters in real-time, drastically reducing setup time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Absolute Encoder Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen paired with a compatible Mitsubishi motor and battery, the system functions as an absolute positioning system without requiring a home return sequence upon power-up.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePlug \u0026amp; Play Identification:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAutomatically identifies the connected servo motor parameters upon startup, minimizing configuration errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMR-J3-40A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMitsubishi Electric\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e400 W (0.4 kW)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1-Phase or 3-Phase 200–230 V AC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2100 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eControl Mode\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePosition, Speed, and Torque Control\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInterface Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePulse Train \/ Analog Input (General Purpose)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEncoder Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18-bit (262,144 P\/rev)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.80 kg (Shipping Weight: 2.1 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e40 mm x 168 mm x 170 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the MR-J3-40A be used with a 1-phase power supply?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. For the 400W model, you can use either a 3-phase 200V AC or a 1-phase 200–230V AC supply. Note that when using 1-phase power, you must connect to terminals L1 and L2 and ensure the power capacity is sufficient for the motor's peak torque requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between MR-J3-40A and MR-J3-40B?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eType A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(this model) uses a general-purpose interface (Pulse\/Analog). The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eType B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003euses the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSSCNET III\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehigh-speed optical fiber network for communication with Mitsubishi Motion Controllers (Q-Series or iQ-R Series).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I clear an \"AL 16\" (Encoder Error) on this drive?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAn AL 16 code usually indicates a communication failure between the drive and the motor encoder. Check the encoder cable for damage, ensure the connector is fully seated, and verify that the cable is shielded and routed away from high-voltage motor power lines to prevent EMI interference.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWiring and EMI Mitigation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo maintain the 2100Hz response accuracy, use original Mitsubishi pre-fabricated cables for the encoder and power connections. Always install a noise filter on the input power line and ensure the amplifier is properly grounded to the cabinet's backplane. Keep the signal wires (CN1 connector) separate from the U\/V\/W motor output wires to prevent signal noise that can lead to position deviation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParameter Configuration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile auto-tuning is highly effective, specific applications may require manual parameter adjustment via\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMR Configurator\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esoftware. If the machine exhibits a high-pitched \"humming\" noise, utilize the integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMachine Resonance Suppression Filter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Notch Filter) parameters to isolate and dampen the specific resonance frequency of the mechanical system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Management\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe MR-J3-40A is a compact drive (40mm width). When mounting multiple drives in a row (\"side-by-side\" mounting), maintain at least 10mm of clearance between amplifiers and 50mm above and below the units. In high-duty cycle applications, ensure the cabinet has forced-air cooling to keep the ambient temperature below 55°C.\u003c\/p\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102420263275,"sku":"MR-J3-40A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/MR-J3-40A-kmflvbyzs5y.png?v=1776137847","url":"https:\/\/www.plcprotech.com\/products\/mitsubishi-melsec-mr-j3-40a-servo-amplifier-400w-3-phase-or-1-phase-200v","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}