{"product_id":"allen-bradley-440e-d21bnyh","title":"440E-D21BNYH","description":"\u003ch2\u003eOverview of Allen Bradley 440E-D21BNYH\u003c\/h2\u003e\n\u003cp\u003eThe Allen Bradley 440E-D21BNYH, part of the Guardmaster series, is a high-performance Lifeline 3 cable pull safety switch engineered for reliable emergency stop and machine access control. This safety component is designed to meet demanding industrial automation requirements, ensuring operator protection and compliance with global safety standards. The 440E-D21BNYH operates with a robust cable span up to 30 meters, supporting both manual and automatic reset options. Its direct-opening action contacts and integrated status indicators provide clear visibility for troubleshooting and maintenance. Built for durability, it features a heavy-duty enclosure rated IP66, making it suitable for challenging environments where dust and moisture are present.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of Allen Bradley 440E-D21BNYH\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSupports cable spans up to 30 meters for extended coverage along production lines and machinery.\u003c\/li\u003e\n\u003cli\u003eFeatures 2 normally closed (N.C.) safety contacts and 2 normally open (N.O.) auxiliary contacts for flexible integration into control systems.\u003c\/li\u003e\n\u003cli\u003e8-pin M12 micro-style connector for secure, industry-standard electrical connections.\u003c\/li\u003e\n\u003cli\u003eIncludes a built-in cable status indicator for immediate visual feedback on the switch condition.\u003c\/li\u003e\n\u003cli\u003eUniversal mounting options simplify installation in both new and retrofit applications.\u003c\/li\u003e\n\u003cli\u003eMeets high safety performance standards, including EN ISO 13849-1 (Cat. 4), SIL CL3 per IEC 62061 and IEC 61508, EN ISO 13850, and NFPA 79.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty die-cast alloy housing provides protection against impact and environmental factors.\u003c\/li\u003e\n\u003cli\u003eOperating temperature range from -25°C to +80°C allows reliable performance in varied climates.\u003c\/li\u003e\n\u003cli\u003eYellow body with a blue reset button for easy identification and operation.\u003c\/li\u003e\n\u003cli\u003eSuitable for use in series connections to enhance system safety and redundancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs of Allen Bradley 440E-D21BNYH\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003cth\u003eAttribute\u003c\/th\u003e\n    \u003cth\u003eSpecification\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSafety Contacts\u003c\/td\u003e\n    \u003ctd\u003e2 N.C. (direct-opening), 2 N.O. (auxiliary)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMax Cable Length\u003c\/td\u003e\n    \u003ctd\u003eUp to 30 meters\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n    \u003ctd\u003eIP66\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOperating Temp Range\u003c\/td\u003e\n    \u003ctd\u003e-25°C to +80°C\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eConnection Type\u003c\/td\u003e\n    \u003ctd\u003e8-pin M12 Micro\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eBody Material\u003c\/td\u003e\n    \u003ctd\u003eDie-cast alloy (heavy-duty)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eColor\u003c\/td\u003e\n    \u003ctd\u003eYellow with blue reset\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eWeight\u003c\/td\u003e\n    \u003ctd\u003e630 grams\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThe Allen Bradley 440E-D21BNYH is designed for emergency stop and access control applications in industrial automation, particularly on conveyor systems, packaging lines, stamping presses, and other machinery where operator safety is critical. Its long cable span allows deployment across large work cells or multiple machine sections. The direct-opening action ensures immediate and positive cut-off of hazardous motion, while auxiliary contacts support integration with programmable logic controllers (PLCs) and safety relays. The product is ideal for facilities requiring compliance with international safety regulations and seeking to minimize downtime through clear diagnostic indicators and rugged construction.\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\"\u003eBrowse All Allen Bradley 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\"\u003eIndustrial Automation Control Systems Explained\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-194e-sy\" target=\"_blank\"\u003eAllen Bradley 194E-SY Disconnect Switch\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-25b-d2p3n104\" target=\"_blank\"\u003eAllen Bradley 25B-D2P3N104 PowerFlex 525 AC Drive\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47870723916075,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_463957df-3130-4be3-9f95-5a16a6a148cd.png?v=1723533820","url":"https:\/\/leadtime.ca\/products\/allen-bradley-440e-d21bnyh","provider":"LEADTIME","version":"1.0","type":"link"}