{"product_id":"mitsubishi-mr-j3-30a-servo-drive-300w-compact-amplifier","title":"Mitsubishi MR-J3-30A Servo Drive | 300W Compact Amplifier","description":"\u003ch2\u003eMitsubishi MR-J3-30A Compact Servo Amplifier\u003c\/h2\u003e\n\u003cp\u003ePower small-scale automation with precision and flexibility. The \u003cstrong\u003eMitsubishi MR-J3-30A\u003c\/strong\u003e is a versatile 300W servo drive suitable for both single and three-phase power systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompact \u003cstrong style=\"color: #e67e22;\"\u003e300 Watt (0.3 kW) output\u003c\/strong\u003e for small motors.\u003c\/li\u003e\n\u003cli\u003eFlexible \u003cstrong\u003e200-230V AC, 1-phase or 3-phase\u003c\/strong\u003e input power.\u003c\/li\u003e\n\u003cli\u003eBuilt-in \u003cstrong\u003edynamic brake\u003c\/strong\u003e for controlled stopping.\u003c\/li\u003e\n\u003cli\u003eFanless \u003cstrong\u003eself-cooling\u003c\/strong\u003e design for quiet, reliable operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eBrand \u0026amp; Model:\u003c\/strong\u003e Mitsubishi MR-J3-30A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eSeries:\u003c\/strong\u003e MELSERVO MR-J3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eRated Output Power:\u003c\/strong\u003e 300 Watts\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eSupply Voltage:\u003c\/strong\u003e 200-230V AC (Permissible: 170-253V AC)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003ePhase Input:\u003c\/strong\u003e 1-Phase or 3-Phase\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eInput Frequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eControl Method:\u003c\/strong\u003e Sine Wave PWM \u0026amp; Current Control\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eBraking:\u003c\/strong\u003e Built-in Dynamic Brake\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eLogic Power:\u003c\/strong\u003e 24V DC, 300 mA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eInrush Current:\u003c\/strong\u003e Main Circuit: 30A, Control: 20-30A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eCooling:\u003c\/strong\u003e Self-Cooling (Natural Convection)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eOperating Temperature:\u003c\/strong\u003e 0°C to 55°C (non-freezing)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eStorage Temperature:\u003c\/strong\u003e -20°C to 65°C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #3498db;\"\u003eEnclosure:\u003c\/strong\u003e IP00 (Open Chassis)\u003c\/p\u003e\n\u003ch3\u003eExpert FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is a typical use for a 300W servo drive?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eMR-J3-30A\u003c\/strong\u003e is perfect for small robotics, lab automation, light-duty conveyor positioning, valve actuators, or small rotary tables in assembly machines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is the flexible phase input useful?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt allows the same drive to be used in different facilities. A small workshop with only single-phase power can use it, as well as a larger factory with three-phase power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the self-cooling (fanless) design benefit me?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt eliminates fan noise and removes a common point of failure. This makes it ideal for quiet environments or applications where maintenance is difficult.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the high inrush currents mean for my power supply?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYour circuit breaker or fuse for the main power must be sized to handle the brief 30A surge when the drive is first turned on, even though running current is much lower.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this for a simple speed control application?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. While capable of full servo control, it can also be configured for basic speed control using its internal modes, making it a versatile choice for various simple to complex tasks.\u003c\/p\u003e\n\u003ch3\u003eShipping \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003eWe ship worldwide via FedEx, UPS, and DHL. This product is covered by a standard \u003cstrong style=\"color: #e67e22;\"\u003e12-month warranty\u003c\/strong\u003e.\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\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Mitsubishi","offers":[{"title":"Default Title","offer_id":51527698809114,"sku":"MR-J3-30A","price":238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/MR-J3-30A-3.jpg?v=1789530592","url":"https:\/\/www.ubestplc.com\/products\/mitsubishi-mr-j3-30a-servo-drive-300w-compact-amplifier","provider":"Ubest Automation Limited","version":"1.0","type":"link"}