{"product_id":"allen-bradley-440k-e33077","title":"440K-E33077","description":"\u003ch2\u003eOverview of Allen Bradley 440K-E33077\u003c\/h2\u003e\nThe Allen Bradley 440K-E33077 Guardmaster Elf Tongue Interlock Switch is a highly reliable safety device designed for industrial applications requiring secure guard locking and monitoring. Engineered to fit on sliding, hinged, or lift-off guards, this tongue-operated interlock switch ensures safe access control by preventing machine operation while guards are open. It features a rugged construction with UL-approved glass-filled PBT housing and a stainless steel actuator, built to withstand harsh environments. Its compact design and compliance with safety standards make it ideal for integrating into automated safety systems for manufacturing facilities, packaging lines, and material handling setups. The 440K-E33077 supports straightforward installation and reliable operation under a wide temperature range of -20 to 80 °C, reflecting its suitability for diverse industrial conditions.\n\n\u003ch2\u003eKey Features of Allen Bradley 440K-E33077\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy-duty glass-filled PBT housing with stainless steel actuator for enhanced durability\u003c\/li\u003e\n  \u003cli\u003eTongue-operated interlock switch for sliding, hinged, and lift-off guards\u003c\/li\u003e\n  \u003cli\u003eRated for 10 A thermal current with contact ratings up to A600\/AC-15 and N150\/DC13\u003c\/li\u003e\n  \u003cli\u003e4-pin DC Micro quick disconnect (M12) connection for easy integration\u003c\/li\u003e\n  \u003cli\u003eIngress protection rating IP67, suitable for washdown and harsh industrial environments\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range from -20 °C to +80 °C for flexible use\u003c\/li\u003e\n  \u003cli\u003eMechanical life rated for up to 1,000,000 operations ensuring long service intervals\u003c\/li\u003e\n  \u003cli\u003eIncludes one normally closed (N.C.) direct opening safety contact and one normally open (N.O.) auxiliary contact\u003c\/li\u003e\n  \u003cli\u003eTorque settings optimized for secure mounting: 1.4 N•m for bolts, 1.2 N•m for lid screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs of 440K-E33077\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003cth\u003eDetails\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eHousing Material\u003c\/td\u003e\n    \u003ctd\u003eUL approved glass-filled PBT\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eActuator Material\u003c\/td\u003e\n    \u003ctd\u003eStainless steel\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eContact Configuration\u003c\/td\u003e\n    \u003ctd\u003e1 N.C. direct opening safety contact, 1 N.O. auxiliary contact\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eThermal Current Rating\u003c\/td\u003e\n    \u003ctd\u003e10 A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eElectrical Ratings\u003c\/td\u003e\n    \u003ctd\u003eA600\/AC-15 240V\/3 A, 120V\/6 A, N150\/DC13 24V\/2 A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eConnector\u003c\/td\u003e\n    \u003ctd\u003e4-pin DC Micro QD (M12)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eIngress Protection\u003c\/td\u003e\n    \u003ctd\u003eIP67\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n    \u003ctd\u003e-20 to 80 °C (-4 to 176 °F)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMechanical Life\u003c\/td\u003e\n    \u003ctd\u003e1,000,000 operations\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eMounting Torque\u003c\/td\u003e\n    \u003ctd\u003e1.4 N·m for mounting bolts; 1.2 N·m for lid screws\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\nThe Allen Bradley 440K-E33077 is ideally suited for industrial safety applications where controlled access to machinery guards is critical. It is commonly used in manufacturing plants, packaging equipment, and conveyor systems where it ensures operator safety by disabling machinery when guards are opened or removed. This interlock switch prevents accidental machine starts during maintenance or cleaning operations, supporting compliance with safety standards such as ISO 14119 and IEC 60947-5-3. Its compact size and robust ingress protection allow use in food processing and chemical industries, even in washdown conditions. Integrators use it to build safety circuits in automated production lines, helping to reduce downtime and protect personnel without compromising operational efficiency.\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 Products\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/top-plc-brands-compared-siemens-allen-bradley-mitsubishi\" target=\"_blank\"\u003eTop PLC Brands Compared: Siemens, Allen Bradley \u0026amp; Mitsubishi\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-1756-en2tr\" target=\"_blank\"\u003eAllen Bradley 1756-EN2TR EtherNet\/IP Module\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\u003c\/ul\u003e\n\n\n\n","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47870716543275,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_0b73a1e7-45e1-420d-b71e-867282fee89c.png?v=1723534091","url":"https:\/\/leadtime.ca\/products\/allen-bradley-440k-e33077","provider":"LEADTIME","version":"1.0","type":"link"}