{"product_id":"mitsubishi-electric-mr-j4-20a-melservo-j4-series-1-axis-servo-amplifier","title":"Mitsubishi Electric MR-J4-20A MELSERVO-J4 Series 1-Axis Servo Amplifier","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003ePrecise motion control in automated manufacturing systems is driven by the \u003cstrong\u003eMR-J4-20A\u003c\/strong\u003e, a high-performance \u003cstrong\u003e1-axis servo amplifier\u003c\/strong\u003e engineered by Mitsubishi Electric. Operating within the 200V class, this unit delivers a rated output of 0.2 kW, rendering it suitable for high-speed, high-accuracy industrial positioning. Built-in features include a sinusoidal wave PWM control system and an integrated dynamic brake, ensuring immediate, controlled deceleration and reliable performance under varying dynamic loads.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMR-J4-20A\u003c\/strong\u003e utilizes a general-purpose command interface supporting pulse-train and analog inputs for position, speed, and torque control modes. Compatibility with 22-bit high-resolution encoders allows for fine positioning feedback. Integrated safety functions, certified to international functional safety standards, provide safe torque off (STO) capabilities, reducing external circuitry requirements in safety-critical automated layouts.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGeneral-purpose interface for pulse train and analog command inputs.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in Safe Torque Off (STO) function complying with EN ISO 13849-1 Category 3 PL e and IEC 61508 SIL 3.\u003c\/li\u003e\n  \u003cli\u003eSupport for high-resolution 22-bit encoders (4,194,304 pulses\/rev) to achieve smooth and stable low-speed performance.\u003c\/li\u003e\n  \u003cli\u003eIntegrated regenerative resistor with a 10 W capacity, expandable via external units.\u003c\/li\u003e\n  \u003cli\u003eAdvanced control functions including auto-tuning, adaptive vibration suppression filters, and machine analyzers.\u003c\/li\u003e\n  \u003cli\u003eDual communication interfaces featuring standard USB for configuration via MR Configurator2 and RS-422\/RS-485 for multi-axis networking up to 32 axes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePackaging machines and labeling systems requiring synchronized axis control.\u003c\/li\u003e\n  \u003cli\u003eMaterial handling systems, conveyors, and pick-and-place gantry units.\u003c\/li\u003e\n  \u003cli\u003eSemiconductor fabrication systems and electronic component assembly.\u003c\/li\u003e\n  \u003cli\u003eMachine tool feed axes and auxiliary mechanical actuators.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eManufacturer\u003c\/strong\u003e\n      \u003ctd\u003eMitsubishi Electric\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003ePart Number \/ Model\u003c\/strong\u003e\n      \u003ctd\u003eMR-J4-20A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eSeries\u003c\/strong\u003e\n      \u003ctd\u003eMELSERVO-J4 Series\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCommand Interface\u003c\/strong\u003e\n      \u003ctd\u003eGeneral-purpose interface (Pulse\/Analog)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eMotor Rated Output\u003c\/strong\u003e\n      \u003ctd\u003e0.2 kW\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eVoltage Class\u003c\/strong\u003e\n      \u003ctd\u003e200V\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eOutput Rated Voltage\u003c\/strong\u003e\n      \u003ctd\u003e3-phase AC 170 V\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eOutput Rated Current\u003c\/strong\u003e\n      \u003ctd\u003e1.5 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eMain Circuit Power Input\u003c\/strong\u003e\n      \u003ctd\u003e3-phase or 1-phase AC 200 V to 240 V, 50 Hz \/ 60 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eMain Circuit Rated Current\u003c\/strong\u003e\n      \u003ctd\u003e1.5 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eControl Circuit Power Input\u003c\/strong\u003e\n      \u003ctd\u003e1-phase AC 200 V to 240 V, 50 Hz \/ 60 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eControl Circuit Rated Current\u003c\/strong\u003e\n      \u003ctd\u003e0.2 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eControl Circuit Power Consumption\u003c\/strong\u003e\n      \u003ctd\u003e30 W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eControl Method\u003c\/strong\u003e\n      \u003ctd\u003eSinusoidal wave PWM control \/ Current control system\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eDynamic Brake\u003c\/strong\u003e\n      \u003ctd\u003eBuilt-in\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003ePermissible Regenerative Power\u003c\/strong\u003e\n      \u003ctd\u003e10 W (Built-in regenerative resistor)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eInterface Power Requirement\u003c\/strong\u003e\n      \u003ctd\u003eDC 24 V (±10%, required current capacity: 0.5 A including CN8 connector signal)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eFeedback Resolution\u003c\/strong\u003e\n      \u003ctd\u003e22-bit (4,194,304 pulses\/rev)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eIP Protection Rating\u003c\/strong\u003e\n      \u003ctd\u003eIP20 (Open \/ Self-cooling)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eOperating Ambient Temperature\u003c\/strong\u003e\n      \u003ctd\u003e0 degC to 55 degC (non-freezing)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eStorage Ambient Temperature\u003c\/strong\u003e\n      \u003ctd\u003e-20 degC to 65 degC (non-freezing)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eAmbient Humidity\u003c\/strong\u003e\n      \u003ctd\u003e90% RH or less (non-condensing)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eVibration Resistance\u003c\/strong\u003e\n      \u003ctd\u003e5.9 m\/s² (10 Hz to 55 Hz in X, Y, Z directions)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eInstallation Altitude\u003c\/strong\u003e\n      \u003ctd\u003eUp to 2000 meters above sea level\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eWeight\u003c\/strong\u003e\n      \u003ctd\u003e0.8 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eConnector \/ Port Type\u003c\/th\u003e\n      \u003cth\u003eFunction Description\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCN1\u003c\/strong\u003e\n      \u003ctd\u003eI\/O signals (Pulse train input, analog commands, limit switches, and control inputs)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCN2\u003c\/strong\u003e\n      \u003ctd\u003eEncoder interface connection (High-speed serial feedback communication)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCN3\u003c\/strong\u003e\n      \u003ctd\u003eRS-422\/RS-485 serial communication port (1:N up to 32 axes)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCN5\u003c\/strong\u003e\n      \u003ctd\u003eUSB port (Connection to PC for MR Configurator2 diagnostics and parameter setup)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCN8\u003c\/strong\u003e\n      \u003ctd\u003eSTO (Safe Torque Off) safety function input signals\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eL1 \/ L2 \/ L3\u003c\/strong\u003e\n      \u003ctd\u003eMain circuit AC power supply terminals\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eL11 \/ L21\u003c\/strong\u003e\n      \u003ctd\u003eControl circuit AC power supply terminals\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eU \/ V \/ W\u003c\/strong\u003e\n      \u003ctd\u003eServo motor power output terminals\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMount the servo amplifier vertically on a flat, non-flammable surface to facilitate efficient natural heat dissipation.\u003c\/li\u003e\n  \u003cli\u003eEnsure clearance of at least 10 mm on the left and right sides, and at least 40 mm above and below the amplifier for ventilation.\u003c\/li\u003e\n  \u003cli\u003eUse shielded cables for encoder and control signal wiring to prevent electromagnetic interference (EMI).\u003c\/li\u003e\n  \u003cli\u003eConnect the protective earth (PE) terminal securely to the control cabinet's main grounding point.\u003c\/li\u003e\n  \u003cli\u003eProvide external circuit breakers or fuses matching the technical input ratings specified on the device.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCE (LVD, EMC Directives)\u003c\/li\u003e\n  \u003cli\u003eUL Listed \/ cUL\u003c\/li\u003e\n  \u003cli\u003eFunctional Safety: EN ISO 13849-1 Category 3 PL e, IEC 61508 SIL 3, EN 62061 SIL CL 3, EN 61800-5-2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102140391787,"sku":"MR-J4-20A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/MR-J4-20A-1encbgc3zte.png?v=1776137868","url":"https:\/\/www.plcprotech.com\/id\/products\/mitsubishi-electric-mr-j4-20a-melservo-j4-series-1-axis-servo-amplifier","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}