{"product_id":"mr-j3-40a-mitsubishi-0-4kw-servo-drive-efficient-amplifier","title":"MR-J3-40A Mitsubishi 0.4kW Servo Drive | Efficient Amplifier","description":"\u003ch2\u003eMitsubishi MR-J3-40A Servo Amplifier: Your 400W Motion Control Solution\u003c\/h2\u003e\n\u003cp\u003ePower your precision machines with the \u003cb\u003eMitsubishi MR-J3-40A\u003c\/b\u003e. This reliable 400W servo drive offers smooth control and is packed with essential features. It's the smart choice for upgrading your automation system.\u003c\/p\u003e\n\u003ch3\u003eTop Features at a Glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAll-in-One Design:\u003c\/b\u003e Built-in dynamic brake and 10W regenerative resistor included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSaves Energy:\u003c\/b\u003e 85% inverse efficiency reduces your power costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Power Connection:\u003c\/b\u003e Compatible with both single and three-phase inputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuiet \u0026amp; Smooth:\u003c\/b\u003e Sine-wave PWM control for stable, low-vibration operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSaves Space:\u003c\/b\u003e Compact and lightweight for easy panel mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDetailed Product Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e Mitsubishi Electric\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSeries:\u003c\/b\u003e MELSERVO-J3 Series\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eModel:\u003c\/b\u003e MR-J3-40A\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower Rating:\u003c\/b\u003e 400 Watts (0.4 Kilowatts)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCurrent Rating:\u003c\/b\u003e 2.8 Amps\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOutput:\u003c\/b\u003e 3-Phase, 170 Volts AC\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMain Input Voltage:\u003c\/b\u003e 200-230V AC, 50\/60 Hz (1-Phase or 3-Phase)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eControl Input Voltage:\u003c\/b\u003e 200-230V AC, 50\/60 Hz (1-Phase)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eInterface Power:\u003c\/b\u003e 24V DC\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBuilt-in Resistor:\u003c\/b\u003e 10 Watts\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSystem Efficiency:\u003c\/b\u003e 85%\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eControl Method:\u003c\/b\u003e Sine-wave PWM, Current Control\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCommunication Port:\u003c\/b\u003e RS-422\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSafe Temperature Range:\u003c\/b\u003e 0°C to +55°C\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eProduct Weight:\u003c\/b\u003e 0.79 kg\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eProduct Size:\u003c\/b\u003e Compact form factor\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCooling:\u003c\/b\u003e Natural convection (no fan needed)\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eIs the built-in regenerative resistor sufficient?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eFor most standard 400W applications with moderate stop\/start cycles, the 10W built-in resistor is adequate. For very high-duty cycling, check your machine's regeneration energy calculation.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHow do I connect the power for this unit?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eYou have options. Connect either a standard 230V single-phase line OR a 200-230V three-phase line to the main power terminals for maximum installation flexibility.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhat maintenance does the MR-J3-40A require?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eVery little. With natural cooling (no fan), there are no filters to clean or fans to replace. Just ensure the unit is kept free of excessive dust and operates within its temperature range.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCan I use this to replace an older servo drive?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eOften, yes. The MR-J3-40A's general-purpose design and standard control modes (speed\/torque\/position) make it a common upgrade path. Verify your motor compatibility and parameter settings.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhat's the first thing to check if there's a fault?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eFirst, check the 5-digit LED display on the unit. It shows an alarm code. Common issues are wiring errors or incorrect parameter settings, which are usually quick to fix.\u003c\/p\u003e\n\u003ch3\u003eOrder Information \u0026amp; Support\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eIn the Box:\u003c\/b\u003e 1 x MR-J3-40A Servo Amplifier.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOur Promise:\u003c\/b\u003e Backed by a full 12-month warranty for your peace of mind.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFast Delivery:\u003c\/b\u003e Shipped quickly worldwide via FedEx, UPS, or DHL.\u003c\/p\u003e\n\u003cp\u003e© 2025 Ubest Automation Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.ubestplc.com\/\"\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\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Mitsubishi","offers":[{"title":"Default Title","offer_id":51486604493082,"sku":"MR-J3-40A","price":177.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/MR-J3-40A.jpg?v=1766364586","url":"https:\/\/www.ubestplc.com\/it\/products\/mr-j3-40a-mitsubishi-0-4kw-servo-drive-efficient-amplifier","provider":"Ubest Automation Limited","version":"1.0","type":"link"}