{"product_id":"allen-bradley-440r-em4r2-guardmaster-safety-expansion-module-single-wire-safety","title":"Allen-Bradley 440R-EM4R2","description":"\u003cdiv dir=\"ltr\" id=\"model-response-message-contentr_2e482286d063f180\" class=\"markdown markdown-main-panel response-optimization stronger\"\u003e\n\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 440R-EM4R2 | Guardmaster Safety Relay Expansion Module (EM, 24V DC)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 style=\"margin-top:24px;\"\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 440R-EM4R2\u003c\/strong\u003e is a \u003cstrong\u003eGuardmaster expansion safety relay module\u003c\/strong\u003e crafted to enhance the output capacity of your safety system. Operating at \u003cstrong\u003e24V DC\u003c\/strong\u003e, it includes \u003cstrong\u003e4 N.O. immediate safety outputs\u003c\/strong\u003e, \u003cstrong\u003e1 N.C. single-wire safe input\u003c\/strong\u003e, \u003cstrong\u003e1 N.C. single-wire safe output\u003c\/strong\u003e, and \u003cstrong\u003e1 N.C. solid-state auxiliary output\u003c\/strong\u003e. The module is designed for DIN-rail mounting and features \u003cstrong\u003eremovable terminals\u003c\/strong\u003e for fast installation and maintenance.\u003c\/p\u003e\n\u003cp\u003eIt blends smoothly with other Guardmaster relays, providing \u003cstrong\u003eadaptability and scalability\u003c\/strong\u003e in safety-critical applications.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:24px;\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eExpansion Module (EM)\u003c\/strong\u003e – Designed for use with Guardmaster safety relays\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003e4 N.O. Immediate Safety Outputs\u003c\/strong\u003e – For direct activation of safety devices\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003e1 N.C. Single-Wire Safe Input\u003c\/strong\u003e – Safe signal transfer\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003e1 N.C. Single-Wire Safe Output\u003c\/strong\u003e – Permits daisy-chaining of safety logic\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003e1 N.C. Solid-State Auxiliary Output\u003c\/strong\u003e – Immediate status indication\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003e24V DC Operation\u003c\/strong\u003e – Standard for safety control circuits\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eRemovable Terminals\u003c\/strong\u003e – Simple wiring and field replacement\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCompact DIN-Rail Mount Design\u003c\/strong\u003e – Ideal for panel integration\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top:24px;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e 440R-EM4R2\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Expansion safety relay module\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24V DC\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSafety Inputs:\u003c\/strong\u003e 1 N.C. single-wire input\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSafety Outputs:\u003c\/strong\u003e 4 N.O. relay outputs\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSafe Output Pass-Through:\u003c\/strong\u003e 1 N.C. single-wire output\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eAuxiliary Output:\u003c\/strong\u003e 1 N.C. solid-state output\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN rail\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eTerminals:\u003c\/strong\u003e Removable\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -5°C to +55°C\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eStandards Compliance:\u003c\/strong\u003e ISO 13849-1 (up to PLe), IEC 62061 (up to SIL 3)\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top:24px;\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eMachine Safety Systems\u003c\/strong\u003e – For expanding safety output capabilities\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eEmergency Stop Circuits\u003c\/strong\u003e – Reliable relay switching\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eIndustrial Equipment\u003c\/strong\u003e – Add-on for multi-device safety control\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSafety Gate and Interlock Monitoring\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top:24px;\"\u003e\u003cstrong\u003eWhy Choose the 440R-EM4R2?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSeamless integration into Guardmaster systems\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eFlexible output expansion for safety functions\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSupports safety certifications up to SIL 3 \/ PLe\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top:24px;\"\u003e\u003cstrong\u003eOrder Now\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn stock and ready for fast global shipping. Ask about compatibility with your existing Guardmaster safety relay.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":41654570090542,"sku":"440R-EM4R2","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/2791\/4798\/files\/440R-EM4R2.webp?v=1764373443","url":"https:\/\/qrh1h7-cr.myshopify.com\/products\/allen-bradley-440r-em4r2-guardmaster-safety-expansion-module-single-wire-safety","provider":"PLCVERSE","version":"1.0","type":"link"}