{"product_id":"allen-bradley-1440-rex03-04rg-xm-series-real-time-relay-module","title":"Allen-Bradley 1440-REX03-04RG XM Series Real-Time Relay Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1440-REX03-04RG functions as a specialized high-speed expansion relay module within the XM Series machinery protection and condition monitoring platform. This hardware asset connects directly with XM measurement units to execute critical machine protection configurations, managing real-time physical alarm states, interlock trips, and emergency shutdown routines on heavy industrial rotating equipment. We distribute this mission-critical safety asset exclusively in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original factory condition\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto eliminate contact mechanical wear, guarantee factory-calibrated trip limits, and ensure immediate deployment in critical turbine or compressor protection loops.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRockwell Automation \/ Allen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1440-REX03-04RG\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Function\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExpansion Relay Control Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eXM Series Machinery Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e17.8 cm x 4.6 cm x 24.9 cm (7.01 in x 1.81 in x 9.80 in)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUnited States of America (USA)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Hardware Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.9 kg (1.98 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePrimary Category Classification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePLCs \/ Machine Control Systems \/ Rack Modules\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExecutes Ultra-Fast Protective Machine Voting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe internal processing architecture reads trip parameters from adjacent XM measurement modules across the local slide-in bus. This direct data path allows the module to evaluate logic patterns and actuate physical relay contacts within milliseconds, isolating faults before heavy equipment suffers catastrophic mechanical failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolates Control Loops from Electrical Noise:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe isolated relay contacts separate sensitive low-voltage microprocessor electronics from high-voltage field execution circuits. This physical barrier blocks industrial electromagnetic interference (EMI) and cross-talk from entering the data network, preventing false trips near heavy generator fields.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStreamlines Compact Enclosure Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 17.8 cm x 4.6 cm x 24.9 cm mechanical frame houses high-density relay arrays while maintaining a narrow horizontal profile. This slim footprint permits panel builders to fit comprehensive safety interlock banks inside cramped localized junction boxes or field-mounted operator enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplifies Side-by-Side DIN Rail Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt-in structural mounting guides align the module smoothly onto standard heavy-duty DIN rails. The plug-in terminal path allows rapid hardware replacements during maintenance turnarounds without forcing technicians to label or disturb adjacent sensor instrumentation lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require connection to a master ControlLogix processor to execute a machine trip?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1440-REX03-04RG executes its hardware protection voting loops independently. While it communicates status metrics to a master PLC network, its internal firmware executes critical machinery emergency-stop sequences autonomously if the main network controller loses communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this product an authentic factory-fresh Allen-Bradley unit or a surplus assembly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee this item is a 100% brand new, authentic, and completely unused original factory component. It ships inside its native manufacturer box with unblemished connector traces, original protective static barriers, and factory-stamped serial tracking barcodes completely intact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat wiring precautions ensure long-term stability for the internal relay contacts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstall external surge suppression devices, such as varistors or RC snubber networks, across the field connections when driving highly inductive loads like large solenoid valves or motor starters. This measure extinguishes inductive arcs, prevents contact welding, and extends the operational lifecycle of the module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53478735413432,"sku":"1440-REX03-04RG","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1440-REX03-04RG.jpg?v=1779098307","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1440-rex03-04rg-xm-series-real-time-relay-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}