{"product_id":"mitsubishi-electric-mr-j4-11ka-melservo-j4-servo-amplifier","title":"Mitsubishi Electric MR-J4-11KA MELSERVO-J4 Servo Amplifier","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eEngineered for precision motion control, the \u003cstrong\u003eMR-J4-11KA\u003c\/strong\u003e operates as a high-performance servo drive within the MELSERVO-J4 system architecture. This digital servo amplifier delivers synchronous positioning, robust velocity regulation, and dynamic torque control, supporting complex multi-axis industrial automation tasks. Built with advanced sine-wave PWM control, it minimizes electrical noise and thermal loss during demanding duty cycles.\u003c\/p\u003e\n\n\u003cp\u003eThe unit features a dual-power architecture that isolates the control circuit logic from the main power stage. This design allows diagnostic systems to remain active even when the primary three-phase contactor is de-energized, enhancing plant floor safety and system diagnostics. The \u003cstrong\u003eMR-J4-11KA\u003c\/strong\u003e supports flexible input configurations, handling both three-phase AC distribution and industrial high-voltage DC bus systems.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDual AC\/DC power input capability for main and control circuits.\u003c\/li\u003e\n  \u003cli\u003eAdvanced sine-wave PWM control and current control algorithm.\u003c\/li\u003e\n  \u003cli\u003eIsolated power structures to preserve control communication during main line disruptions.\u003c\/li\u003e\n  \u003cli\u003eHigh-capacity physical architecture designed to manage demanding current requirements.\u003c\/li\u003e\n  \u003cli\u003eIntegration with real-time industrial communication and feedback loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMulti-axis CNC machining centers and metal forming machinery.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed industrial printing and packaging systems.\u003c\/li\u003e\n  \u003cli\u003eAutomated material handling, gantry systems, and heavy-duty conveyor systems.\u003c\/li\u003e\n  \u003cli\u003eAutomated assembly and semiconductor manufacturing equipment.\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\u003eCategory\u003c\/strong\u003e\n      \u003cstrong\u003eSpecification Parameter\u003c\/strong\u003e\n      \u003cstrong\u003eValue \/ Rating\u003c\/strong\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"3\"\u003e\u003cstrong\u003eIdentification\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eMitsubishi Electric\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePart Number \/ Model\u003c\/td\u003e\n      \u003ctd\u003eMR-J4-11KA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSeries Name\u003c\/td\u003e\n      \u003ctd\u003eMELSERVO-J4\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"2\"\u003e\u003cstrong\u003eOutput Ratings\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eRated Output Voltage\u003c\/td\u003e\n      \u003ctd\u003e3-phase 170 V AC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRated Output Current\u003c\/td\u003e\n      \u003ctd\u003e68.0 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"5\"\u003e\u003cstrong\u003eMain Circuit Input\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eAC Input Supply Voltage \/ Frequency\u003c\/td\u003e\n      \u003ctd\u003e3-phase 200 V AC to 240 V AC, 50 Hz\/60 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDC Input Supply Voltage\u003c\/td\u003e\n      \u003ctd\u003e283 V DC to 340 V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRated Input Current\u003c\/td\u003e\n      \u003ctd\u003e46.0 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePermissible AC Voltage Fluctuation\u003c\/td\u003e\n      \u003ctd\u003e3-phase 170 V AC to 264 V AC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePermissible DC Voltage Fluctuation\u003c\/td\u003e\n      \u003ctd\u003e241 V DC to 374 V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"5\"\u003e\u003cstrong\u003eControl Circuit Input\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eAC Input Supply Voltage \/ Frequency\u003c\/td\u003e\n      \u003ctd\u003e1-phase 200 V AC to 240 V AC, 50 Hz\/60 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDC Input Supply Voltage\u003c\/td\u003e\n      \u003ctd\u003e283 V DC to 340 V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRated Input Current\u003c\/td\u003e\n      \u003ctd\u003e0.3 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePermissible AC Voltage Fluctuation\u003c\/td\u003e\n      \u003ctd\u003e1-phase 170 V AC to 264 V AC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePermissible DC Voltage Fluctuation\u003c\/td\u003e\n      \u003ctd\u003e241 V DC to 374 V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"3\"\u003e\u003cstrong\u003eSystem Properties\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eControl Method\u003c\/td\u003e\n      \u003ctd\u003eSine-wave PWM control \/ Current control method\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eControl Power Consumption\u003c\/td\u003e\n      \u003ctd\u003e45 W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInterface Power Supply Requirements\u003c\/td\u003e\n      \u003ctd\u003e24 V DC ± 10% (Required capacity: 0.5 A, including CN8 signals)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"2\"\u003e\u003cstrong\u003ePhysical Metrics\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eNet Weight (Mass)\u003c\/td\u003e\n      \u003ctd\u003e13.4 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eShipping Weight\u003c\/td\u003e\n      \u003ctd\u003e15.5 kg\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\u003e\n\u003cstrong\u003eMounting Alignment:\u003c\/strong\u003e Always install the servo amplifier in a vertical orientation to ensure correct natural convection and chimney-effect cooling through the internal heat sinks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClearance Requirements:\u003c\/strong\u003e Ensure minimum clearance distances are maintained above, below, and on the sides of the chassis as specified in the MELSERVO-J4 user manual to prevent thermal accumulation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Grounding:\u003c\/strong\u003e Ground the amplifier PE terminal directly to the central cabinet subpanel or protective earth busbar with low-impedance conductors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Cabling:\u003c\/strong\u003e Separate all control interface, feedback encoder, and high-frequency communication cables from motor and main power distribution wiring. Use shielded cable assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102128726379,"sku":"MR-J4-11KA","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/MR-J4-11KA-st4otawloqv.png?v=1776137862","url":"https:\/\/www.plcprotech.com\/ms\/products\/mitsubishi-electric-mr-j4-11ka-melservo-j4-servo-amplifier","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}