{"product_id":"allen-bradley-440r-em4r2d-module","title":"Allen-Bradley 440R-EM4R2D Safety Relay Expansion Module 24V DC 4NO Delayed","description":"\u003cstyle\u003e.nxs-industrial-product-page{--industrial-navy:#082f49;--industrial-blue:#0b4f7c;--industrial-blue-2:#0f6ea8;--industrial-blue-3:#1784c1;--industrial-cyan:#38bdf8;--steel-blue:#dcebf5;--steel-blue-2:#edf6fb;--steel-line:#c9dce9;--surface:#ffffff;--surface-soft:#f7fbfe;--text-main:#173042;--text-muted:#5e7382;--shadow-soft:0 10px 30px rgba(8,47,73,0.08);--shadow-hover:0 16px 36px rgba(8,79,124,0.15);--radius-lg:14px;--radius-md:10px}.nxs-industrial-product-page,.nxs-industrial-product-page *{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif}.nxs-industrial-product-page{background-color:#f3f8fb;background-image:linear-gradient(180deg,#eef6fb 0,#f7fafc 320px,#eef3f7 100%),linear-gradient(rgba(15,110,168,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(15,110,168,0.025) 1px,transparent 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*::before,.nxs-industrial-product-page *::after{transition:none!important}}\u003c\/style\u003e\u003cdiv class=\"nxs-industrial-product-page\"\u003e\u003cdiv class=\"container\"\u003e\u003cmain\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e440R-EM4R2D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eSafety Relay Expansion Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSub Brand\u003c\/td\u003e\n\u003ctd\u003eGuardmaster\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Model\u003c\/td\u003e\n\u003ctd\u003eEMD Delayed Output Expansion Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003eSingle Wire Safety (SWS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal X1 Input\u003c\/td\u003e\n\u003ctd\u003eSingle Wire Safety or OSSD, 50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal X2 Output\u003c\/td\u003e\n\u003ctd\u003eSingle Wire Safety or OSSD, 50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelayed Safety Outputs\u003c\/td\u003e\n\u003ctd\u003e4 N.O. Electromechanical Contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Safety Output Current\u003c\/td\u003e\n\u003ctd\u003e2 A at 24 V DC, DC-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAggregate Output Current\u003c\/td\u003e\n\u003ctd\u003e6 A Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTiming Functions\u003c\/td\u003e\n\u003ctd\u003eOn Delay, Off Delay, Jog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn\/Off Delay Range\u003c\/td\u003e\n\u003ctd\u003e100 ms–300 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJog Time Range\u003c\/td\u003e\n\u003ctd\u003e100 ms–20 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance Level\u003c\/td\u003e\n\u003ctd\u003eUp to PL e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Category\u003c\/td\u003e\n\u003ctd\u003eUp to Category 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eRemovable Screw Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Size\u003c\/td\u003e\n\u003ctd\u003e0.2–2.5 mm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e119.4 × 22.5 × 113.6 mm (H × W × D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\u003ch3\u003eFour Delayed Safety Outputs\u003c\/h3\u003e\n\u003cp\u003eThe 440R-EM4R2D provides four normally open delayed electromechanical safety outputs for expanding the output capability of supported Guardmaster GSR safety relay systems.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eConfigurable Timing Functions\u003c\/h3\u003e\n\u003cp\u003eThe EMD module supports on-delay, off-delay and jog operating functions, configured using the switches on the front of the safety relay.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e24V DC Control Supply\u003c\/h3\u003e\n\u003cp\u003eThe module operates from a 24 V DC control supply and has a documented power consumption of 3.5 W.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eSingle Wire Safety\u003c\/h3\u003e\n\u003cp\u003eThe primary input is Single Wire Safety, allowing the EMD module to expand outputs from supported Guardmaster GSR host safety relays.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eSWS Expansion Output\u003c\/h3\u003e\n\u003cp\u003eAn SWS output is provided so the safety signal can continue to additional supported expansion devices in the safety architecture.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e22.5 mm Module Width\u003c\/h3\u003e\n\u003cp\u003eThe compact 22.5 mm wide housing supports space-conscious DIN-rail safety control panel configurations.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDelayed machine shutdown circuits\u003c\/li\u003e\n\u003cli\u003eGuardmaster GSR output expansion\u003c\/li\u003e\n\u003cli\u003eTimed safety output control\u003c\/li\u003e\n\u003cli\u003eSafety gate control sequences\u003c\/li\u003e\n\u003cli\u003eControlled machine stopping functions\u003c\/li\u003e\n\u003cli\u003eIndustrial machine safety panels\u003c\/li\u003e\n\u003cli\u003eSafety-related jog functions\u003c\/li\u003e\n\u003cli\u003eAutomation safety control systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the Allen-Bradley 440R-EM4R2D Safety Relay Expansion Module. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Allen-Bradley 440R-EM4R2D?\u003c\/strong\u003e\u003cbr\u003eThe 440R-EM4R2D is a Guardmaster EMD delayed-output safety relay expansion module designed to expand the safety outputs of supported GSR host relays.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eHow many safety outputs does 440R-EM4R2D provide?\u003c\/strong\u003e\u003cbr\u003eThe module provides four normally open delayed electromechanical safety outputs.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat supply voltage does 440R-EM4R2D use?\u003c\/strong\u003e\u003cbr\u003eThe documented rated control supply voltage is 24 V DC.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat timing functions does 440R-EM4R2D support?\u003c\/strong\u003e\u003cbr\u003eThe EMD module can be configured for on delay, off delay or jog operation.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the on-delay and off-delay range?\u003c\/strong\u003e\u003cbr\u003eThe documented timing range for on-delay or off-delay operation is 100 ms to 300 seconds.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the jog timing range?\u003c\/strong\u003e\u003cbr\u003eThe documented jog timing range is 100 ms to 20 seconds.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat type of input does 440R-EM4R2D use?\u003c\/strong\u003e\u003cbr\u003eIts primary evaluation input is Single Wire Safety. Terminal X1 is specified for Single Wire Safety or OSSD at 50 mA.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDoes 440R-EM4R2D provide an SWS output?\u003c\/strong\u003e\u003cbr\u003eYes. Terminal X2 provides a Single Wire Safety or OSSD output rated at 50 mA for supported expansion architectures.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the maximum aggregate output current?\u003c\/strong\u003e\u003cbr\u003eRockwell Automation specifies a maximum aggregate output current of 6 A per module.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat safety performance level can the module support?\u003c\/strong\u003e\u003cbr\u003eThe module is specified for applications up to Performance Level e and Category 4 when applied within an appropriate safety architecture.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between 440R-EM4R2D and 440R-EM4R2?\u003c\/strong\u003e\u003cbr\u003eThe 440R-EM4R2D is the EMD version with four delayed safety outputs and configurable timing functions, while the 440R-EM4R2 EM version provides four immediately operated safety outputs. Selection should be based on the required safety function and complete system design.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering 440R-EM4R2D?\u003c\/strong\u003e\u003cbr\u003eCheck the complete catalog number, 24 V DC supply, required delayed-output function, timing range, SWS architecture, four-output requirement, current ratings and terminal wiring requirements.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46719741755471,"sku":"CL5-Allen-Bradley-440R-EM4R2D","price":208.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/440R-EM4R2D_1.jpg?v=1788776401","url":"https:\/\/yunshuotrade.com\/products\/allen-bradley-440r-em4r2d-module","provider":"yunshuotrade","version":"1.0","type":"link"}