{"product_id":"allen-bradley-450l-b4hn0900yd","title":"450L-B4HN0900YD","description":"\u003ch2\u003eOverview of Allen Bradley 450L-B4HN0900YD\u003c\/h2\u003e\n\u003cp\u003eThe Allen Bradley 450L-B4HN0900YD is a premium industrial safety light curtain from the GuardShield 450L-B series, designed for reliable machine protection and operator safety. Certified to meet global safety standards including CE, CCC, CUL, KC, RCM, and UL, this model is engineered for environments where high-risk machinery demands fail-safe perimeter guarding. With a protective height of 900 mm and hand detection resolution of 30 mm, it ensures effective obstruction of human contact with moving parts. Its Type 4 \/ IEC 61496-1\/-2, SILcl3 per EN ISO 13849-1, and IEC 62061 ratings mean it is suitable for demanding industrial automation applications that require proven risk reduction. The device features a compact, modular design for easy integration with new or existing control systems, and offers flexible installation options for diverse industrial setups.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of Allen Bradley 450L-B4HN0900YD\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e900 mm protective field height, 30 mm hand detection resolution—blocks finger or hand access to hazardous areas\u003c\/li\u003e\n  \u003cli\u003eFlexible protection lengths: available in increments from 150 mm to 1950 mm for different machinery layouts\u003c\/li\u003e\n  \u003cli\u003eCompact, square-profile transceiver design at 30 mm x 30 mm for space-saving installation\u003c\/li\u003e\n  \u003cli\u003ePatented plug-in module allows each device to function as either a transmitter or receiver, simplifying setup and replacement\u003c\/li\u003e\n  \u003cli\u003eActive protective field covers the entire transceiver length, reducing dead zones at the top and bottom\u003c\/li\u003e\n  \u003cli\u003eOSSD (Output Signal Switching Device) outputs enable safety controls when the light curtain is not interrupted\u003c\/li\u003e\n  \u003cli\u003eIP65 enclosure rating for dust and water resistance in challenging industrial environments\u003c\/li\u003e\n  \u003cli\u003eDIP-switch configurable start mode, external device monitoring (EDM), and scanning range for quick adaptation to machine requirements\u003c\/li\u003e\n  \u003cli\u003eDiagnostic LEDs on transceiver for fast alignment and troubleshooting\u003c\/li\u003e\n  \u003cli\u003eCompatible with Connected Components Workbench software for monitoring and system diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs of 450L-B4HN0900YD\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\u003eProtective Field Height\u003c\/td\u003e\n    \u003ctd\u003e900 mm (35.46 in)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eResolution\u003c\/td\u003e\n    \u003ctd\u003e30 mm (Hand Detection)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOperating Range\u003c\/td\u003e\n    \u003ctd\u003e0.9 to 6.5 m (2.95–21.33 ft)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eNumber of Beams\u003c\/td\u003e\n    \u003ctd\u003e8 per 150 mm increment\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eAmbient Temperature\u003c\/td\u003e\n    \u003ctd\u003e0°C to 55°C (32°F to 131°F)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n    \u003ctd\u003eIP65\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eCertifications\u003c\/td\u003e\n    \u003ctd\u003eCE, CCC, CUL, KC, RCM, UL\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSafety Standard\u003c\/td\u003e\n    \u003ctd\u003eType 4 (IEC 61496-1\/-2), SILcl3 per EN ISO 13849-1, IEC 62061\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 450L-B4HN0900YD is ideally suited for applications requiring high-integrity perimeter guarding around industrial machinery such as presses, metal forming equipment, robotics, and automated assembly lines. Its hand detection resolution makes it appropriate for safeguarding operators where access to hazardous zones must be reliably blocked without impeding production flow. The device is often specified for safety upgrades and retrofits in manufacturing plants, food processing, and material handling systems. Its durability and high ingress protection make it suitable for environments exposed to dust, moisture, and cleaning processes. The light curtain is also compatible with modern safety control architectures, integrating into the broader automation network through digital outputs for immediate machine shutdown.\u003c\/p\u003e\n\n\u003ch2\u003eRelated Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/\" target=\"_blank\"\u003eShop Full Range of Automation Components at LeadTime.ca\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/collections\/allen-bradley\" target=\"_blank\"\u003eBrowse Additional Allen Bradley Industrial Solutions\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-5069-l320er\" target=\"_blank\"\u003eAllen Bradley 5069-L320ER CompactLogix Controller: Advanced PLC Options\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 for Motion Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47870721884459,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_129a2955-b3b3-42bd-ad5f-acfca7a3ce3e.png?v=1723533936","url":"https:\/\/leadtime.ca\/products\/allen-bradley-450l-b4hn0900yd","provider":"LEADTIME","version":"1.0","type":"link"}