{"product_id":"allen-bradley-440r-n23112","title":"440R-N23112","description":"\u003ch2\u003eOverview of Allen Bradley 440R-N23112\u003c\/h2\u003e\n\u003cp\u003eAllen Bradley 440R-N23112 is a single-function safety relay designed for reliable, high-integrity protection in industrial automation and machine safety applications. Part of the Guardmaster MSR series, this safety relay monitors and manages dual-channel safety inputs from devices such as E-stops, safety gates, interlock switches, and light curtains. With a 230V AC supply and both automatic and monitored manual reset options, Allen Bradley 440R-N23112 helps ensure safe operation and rapid system shutdown when a fault or hazard is detected. This DIN rail-mounted unit is compact, durable, and compliant with international safety standards, making it well-suited for integration into control panels and machinery where user safety cannot be compromised.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of Allen Bradley 440R-N23112\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle-function safety relay with two normally open (NO) safety contacts for secure, failsafe control outputs\u003c\/li\u003e\n  \u003cli\u003eOperates on 230V AC supply, supporting a wide range of industrial sites and automation environments\u003c\/li\u003e\n  \u003cli\u003eMonitored manual or automatic reset—select the reset mode that fits your application’s safety protocol\u003c\/li\u003e\n  \u003cli\u003eCross-fault monitoring detects wiring errors and internal faults, increasing system reliability\u003c\/li\u003e\n  \u003cli\u003eMeets Category 4 per EN954-1 (PL e, SIL 3), ensuring high performance and safety integrity\u003c\/li\u003e\n  \u003cli\u003eCompatible with both single and dual-channel safety device inputs, such as safety switches and light curtains\u003c\/li\u003e\n  \u003cli\u003eDIN rail mounting (35mm) for easy installation and panel integration\u003c\/li\u003e\n  \u003cli\u003eEnclosure rated IP40, terminals rated IP20 for dust and finger protection\u003c\/li\u003e\n  \u003cli\u003eContact rating of 3 A, supporting a variety of load types and conditions\u003c\/li\u003e\n  \u003cli\u003eCertified to CE, C-Tick, and C-UL-US standards for global compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs of 440R-N23112\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e230V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e3 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSafety Outputs\u003c\/td\u003e\n\u003ctd\u003e2 NO\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eReset Type\u003c\/td\u003e\n\u003ctd\u003eAutomatic\/Manual (monitored)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP40 (body), IP20 (terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions (WxHxD)\u003c\/td\u003e\n\u003ctd\u003e22.5 x 75 x 110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail (35mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-5°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eContacts Material\u003c\/td\u003e\n\u003ctd\u003eSilver Tin Oxide (AgSnO2)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, C-UL-US, C-Tick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eAllen Bradley 440R-N23112 is ideal for machine safety applications that require robust emergency stop, access guard, and automation restart logic. This relay is commonly used to monitor safety gates, E-stop loops, light curtains, and interlock switches in packaging, material handling, CNC machines, automotive assembly, and other industrial environments. Its cross-fault monitoring and category 4 safety rating make it a trusted solution for preventing hazardous machine motion and ensuring operator safety. The compact design and simple wiring allow for straightforward integration into new and existing control panels, supporting compliance with global safety standards and risk assessment requirements.\u003c\/p\u003e\n\n\u003ch2\u003eRelated Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/\" target=\"_blank\"\u003eLeadTime.ca – Industrial Automation Components \u0026amp; Repair Services\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/collections\/allen-bradley\" target=\"_blank\"\u003eView All Allen Bradley Automation Products\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/examples-of-industrial-automation-control-systems\" target=\"_blank\"\u003eExamples of Industrial Automation and Control Systems\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-5069-l320er\" target=\"_blank\"\u003eAllen Bradley 5069-L320ER CompactLogix Controller\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-25b-d2p3n104\" target=\"_blank\"\u003eAllen Bradley PowerFlex 525 Variable Frequency Drive\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\u003cp\u003e\n\u003c\/p\u003e\u003cp\u003e\n\u003c\/p\u003e\u003cp\u003e\n\u003c\/p\u003e\u003cp\u003e\n\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47870735286571,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_17448aea-2e33-4035-ac5b-bb9b9a007c20.png?v=1723533419","url":"https:\/\/leadtime.ca\/products\/allen-bradley-440r-n23112","provider":"LEADTIME","version":"1.0","type":"link"}