{"product_id":"mr-j4w3-444b-mitsubishi-ac-servo-drive-400w-ip20","title":"MR-J4W3-444B Mitsubishi AC Servo Drive 400W IP20","description":"\u003ch2\u003e\u003cstrong\u003eMitsubishi MR-J4W3-444B – AC Servo Drive (400W, 200-240Vac, IP20)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cspan style=\"color: #e03e2d;\"\u003eMitsubishi Electric\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cspan style=\"color: #e03e2d;\"\u003e\u003cstrong\u003eMR-J4W3-444B\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e \u003cspan style=\"color: #e03e2d;\"\u003eMELSERVO MR-J4 Series\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Function:\u003c\/strong\u003e AC Servo Drive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 200Vac to 240Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Type:\u003c\/strong\u003e Single-phase (2P) or Three-phase (3P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 2.8A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Consumption:\u003c\/strong\u003e 7.8A input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Active Power:\u003c\/strong\u003e 400W \/ 0.4kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDegree of Protection:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5.00 lbs (2.27 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental Tolerances \u0026amp; Operating Conditions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Temperature (Operation):\u003c\/strong\u003e 0°C to +55°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Temperature (Storage):\u003c\/strong\u003e -20°C to +65°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP20 – protects against solid objects over 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Immunity:\u003c\/strong\u003e Complies with \u003cstrong\u003eMitsubishi\u003c\/strong\u003e MELSERVO MR-J4 standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Works with \u003cstrong\u003eMitsubishi\u003c\/strong\u003e servo motors from the MR-J4 family\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can the \u003cstrong\u003eMR-J4W3-444B\u003c\/strong\u003e run on single-phase power?\u003c\/strong\u003e\u003cbr\u003eA: Yes, this drive accepts both single-phase (2P) and three-phase (3P) input at 200-240Vac.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the difference between rated current (2.8A) and current consumption (7.8A)?\u003c\/strong\u003e\u003cbr\u003eA: 2.8A is the continuous rated output current. 7.8A is the maximum input current during peak operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is this drive compatible with non-Mitsubishi motors?\u003c\/strong\u003e\u003cbr\u003eA: No, \u003cstrong\u003eMitsubishi\u003c\/strong\u003e designs the \u003cstrong\u003eMR-J4W3-444B\u003c\/strong\u003e specifically for \u003cstrong\u003eMELSERVO MR-J4\u003c\/strong\u003e series servo motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What does IP20 protection mean for this drive?\u003c\/strong\u003e\u003cbr\u003eA: IP20 protects against solid objects larger than 12mm but offers no water protection. Keep it in a dry indoor panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I store this drive in a cold warehouse?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the storage temperature range is -20°C to +65°C, suitable for most warehouses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e© 2026 Ubest Automation Limited. \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e All rights reserved.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8618030005825?text=Hello%20I%20need%20info%20about%20MR-J4W3-444B\"\u003e+86 180 3000 5825\u003c\/a\u003e (WhatsApp)\u003c\/p\u003e","brand":"Mitsubishi","offers":[{"title":"Default Title","offer_id":52053572845850,"sku":"MR-J4W3-444B","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/MR-J4W3-444B-1.jpg?v=1775619328","url":"https:\/\/www.ubestplc.com\/products\/mr-j4w3-444b-mitsubishi-ac-servo-drive-400w-ip20","provider":"Ubest Automation Limited","version":"1.0","type":"link"}