{"product_id":"440r-em4r2d-allen-bradley-guardmaster-gsr-delayed-output-expansion-module","title":"440R-EM4R2D | Allen Bradley Guardmaster GSR Delayed Output Expansion Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 440R-EM4R2D\u003c\/strong\u003e is a \u003cstrong\u003eGuardmaster GSR Delayed Output Expansion Module\u003c\/strong\u003e that extends the output capabilities of a safety relay system. It provides four delayed safety outputs and an auxiliary signaling output, suitable for time-based safety control in industrial automation and packaging applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e 440R-EM4R2D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Guardmaster GSR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Delayed output expansion module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 1 Single Wire Safety (SWS) input from master relay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Outputs:\u003c\/strong\u003e 4 Normally Open (N.O.) delayed relay contacts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Outputs:\u003c\/strong\u003e 1 transistor output (signaling)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 3.5 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 35 mm DIN rail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Removable screw terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Rating:\u003c\/strong\u003e IP40 (housing), IP20 (terminals)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e –5°C to +55°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Width: 22.5 mm; Height: 114 mm; Depth: 119 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 222 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ISO 13849-1: PLe, Cat. 4; IEC 62061 \/ IEC 61508: SIL CL 3; UL, CE, TÜV\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMust be connected to a compatible master safety relay via the SWS interface.\u003c\/li\u003e\n\u003cli\u003eMount vertically on DIN rail with adequate ventilation spacing.\u003c\/li\u003e\n\u003cli\u003eUse copper conductors rated for 60\/75°C; recommended wire size 0.2–2.5 mm² (24–12 AWG).\u003c\/li\u003e\n\u003cli\u003eTerminal torque: 0.6–0.8 N·m.\u003c\/li\u003e\n\u003cli\u003eEnsure proper grounding and surge protection for the safety system.\u003c\/li\u003e\n\u003cli\u003eConfigure delay timing via the master relay logic or system controller.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":42529521729603,"sku":"440R-EM4R2D","price":234.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/440R-EM4R2D.png?v=1756197644","url":"https:\/\/www.plcdcspro.com\/products\/440r-em4r2d-allen-bradley-guardmaster-gsr-delayed-output-expansion-module","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}