{"product_id":"allen-bradley-440r-s845aer-nnl-safety-relay-speed-monitoring","title":"Allen-Bradley 440R-S845AER-NNL","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley 440R-S845AER-NNL is a high-performance specialty safety relay meticulously engineered for critical speed monitoring applications within demanding industrial automation and machinery safety systems. Operating flawlessly on a versatile 24V AC\/DC power supply, this robust safety device is integral to achieving and maintaining secure, compliant machine operations. It integrates a comprehensive array of normally closed (N.C.) and normally open (N.O.) inputs and outputs, meticulously designed to facilitate precise and unwavering machine safety control. Crucially, its inclusion of four solid-state N.O. auxiliary outputs empowers real-time safety signaling and monitoring capabilities, positioning the 440R-S845AER-NNL as an indispensable component for optimizing safety in sophisticated motion control systems, high-speed conveyor lines, and complex automated machinery.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdvanced Speed Monitoring:\u003c\/strong\u003e Precisely monitors operational speeds to ensure strict adherence to safe limits, mitigating risks associated with uncontrolled motion.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Inputs for Flexible Configuration:\u003c\/strong\u003e Equipped with 5 x 1 N.C., 2 N.C. LC, and 1 N.O. + 1 N.C. inputs, providing exceptional adaptability for diverse safety circuit designs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh-Reliability Solid-State Outputs:\u003c\/strong\u003e Features 4 N.O. solid-state auxiliary outputs for efficient, dependable safety signaling and integration with supervisory systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUniversal Voltage Compatibility:\u003c\/strong\u003e Operates seamlessly on 24V AC\/DC, ensuring broad compatibility with standard industrial power infrastructures.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRobust Industrial Design:\u003c\/strong\u003e Engineered specifically for the rigors of industrial environments, delivering consistent performance and longevity in critical safety applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGuardmaster Series Integration:\u003c\/strong\u003e Part of the renowned Guardmaster Safety Relays series, guaranteeing adherence to stringent safety standards and proven reliability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDIN Rail Mountable:\u003c\/strong\u003e Designed for easy and secure installation within control cabinets, optimizing space and streamlining setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 440R-S845AER-NNL\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Guardmaster Safety Relays\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 24V AC\/DC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Inputs:\u003c\/strong\u003e 5 x 1 N.C., 2 N.C. LC, 1 N.O. + 1 N.C.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAuxiliary Outputs:\u003c\/strong\u003e 4 N.O. Solid-State\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Speed Monitoring\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN Rail\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e UL, CE, cUL, TÜV\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndustrial Machine Safety:\u003c\/strong\u003e Crucial for preventing hazardous motion in high-speed and heavy-duty industrial equipment, protecting personnel and assets.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConveyor Systems:\u003c\/strong\u003e Ensures controlled and safe operations for various conveyor types, from material handling to automated assembly lines.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAutomated Production Lines:\u003c\/strong\u003e Provides real-time speed monitoring and safety control, enhancing efficiency and minimizing downtime in complex manufacturing processes.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial Handling \u0026amp; Robotics:\u003c\/strong\u003e Significantly enhances safety protocols in automated material transport systems and collaborative robotics applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePress and Stamping Applications:\u003c\/strong\u003e Integral for monitoring and controlling the speed of machinery where rapid motion is critical and safety is paramount.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWind Turbine Control:\u003c\/strong\u003e Can be integrated into control systems to monitor rotational speeds and ensure safe operation or shutdown procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This Model?\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUnmatched Reliability:\u003c\/strong\u003e As part of the Allen-Bradley Guardmaster series, the 440R-S845AER-NNL offers the steadfast reliability and performance industrial applications demand.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComprehensive Speed Monitoring:\u003c\/strong\u003e Its dedicated speed monitoring functionality is vital for compliance with safety standards and preventing accidents in dynamic machinery.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFlexible Integration Capabilities:\u003c\/strong\u003e The diverse array of inputs and solid-state outputs allows for seamless integration into a wide range of existing and new safety architectures.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOptimized for Global Standards:\u003c\/strong\u003e With certifications including UL, CE, cUL, and TÜV, this relay meets global safety compliances, facilitating international deployment.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Operational Efficiency:\u003c\/strong\u003e By ensuring safe operational speeds, it helps prevent machine damage and unplanned downtime, contributing to higher productivity levels.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFuture-Proof Your Safety Systems:\u003c\/strong\u003e Invest in a cutting-edge safety solution that provides advanced features and the assurance of a world-leading automation brand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOrder Now\u003c\/h2\u003e\n\u003cp\u003eUnlock superior machine safety and operational efficiency with the Allen-Bradley 440R-S845AER-NNL specialty safety relay. Benefit from advanced speed monitoring, robust construction, and versatile integration capabilities designed for the most demanding industrial environments. We offer fast shipping and worldwide delivery to ensure your critical components arrive when and where you need them. Explore our comprehensive \u003ca href=\"\/guardmaster-440r-safety-relays-main-category\"\u003eGuardmaster 440R Safety Relays\u003c\/a\u003e category for all models and specifications, or visit our \u003ca href=\"\/allen-bradley-industrial-automation-products-master-category\"\u003eAllen-Bradley Industrial Automation Products\u003c\/a\u003e master category for our complete range of controllers, drives, motors, HMIs, and accessories.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45182974427189,"sku":"440R-S845AER-NNL","price":4299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/7263\/6213\/files\/440r-s845aer-nnl.webp?v=1777415711","url":"https:\/\/djer6s-ji.myshopify.com\/products\/allen-bradley-440r-s845aer-nnl-safety-relay-speed-monitoring","provider":"PLCReadyparts","version":"1.0","type":"link"}