{"product_id":"allen-bradley-440k-h04035","title":"440K-H04035","description":"\u003ch2\u003eOverview of Allen Bradley 440K-H04035\u003c\/h2\u003e\nThe Allen Bradley 440K-H04035 is a guardmaster explosion-proof safety interlock switch designed to meet stringent safety requirements in hazardous environments. Part of the 440 Ex Range, this model offers reliable protection for personnel and equipment in explosive atmospheres classified under Zone 1, Zone 2, Zone 21, and Zone 22. Engineered to withstand tough industrial conditions, the 440K-H04035 ensures safety compliance with ATEX certifications. It features a robust construction suitable for use in industries such as oil and gas, chemicals, and manufacturing where explosive gases or dust may be present. The interlock mechanism provides fail-safe locking to prevent unauthorized or unsafe access to guarded areas.\n\n\u003ch2\u003eKey Features of Allen Bradley 440K-H04035\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eExplosion-proof enclosure certified for ATEX Zone 1, 2, 21, and 22 hazardous locations\u003c\/li\u003e\n  \u003cli\u003eLocking tongue interlock design for enhanced safety during access control\u003c\/li\u003e\n  \u003cli\u003eDurable housing constructed for long service life in harsh environments\u003c\/li\u003e\n  \u003cli\u003eContact rating suitable for switching safety circuits up to 1A at 75V\u003c\/li\u003e\n  \u003cli\u003ePre-travel of 0.8mm with operating force of 0.2N for precise actuation\u003c\/li\u003e\n  \u003cli\u003eRelease force of 0.4N ensuring consistent and reliable switching operation\u003c\/li\u003e\n  \u003cli\u003eWiring accommodates flexible conductors, improving installation versatility\u003c\/li\u003e\n  \u003cli\u003eCompatible with related 440 Ex Range safety devices and systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs of 440K-H04035\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003cth\u003eValue\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eEnclosure Type\u003c\/td\u003e\n    \u003ctd\u003eExplosion Proof\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eContact Configuration\u003c\/td\u003e\n    \u003ctd\u003e1 Normally Closed \/ 1 Normally Open or 2 Normally Closed\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOperating Force\u003c\/td\u003e\n    \u003ctd\u003e0.2 N\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eRelease Force\u003c\/td\u003e\n    \u003ctd\u003e0.4 N\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003ePre-Travel\u003c\/td\u003e\n    \u003ctd\u003e0.8 mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eContact Ratings\u003c\/td\u003e\n    \u003ctd\u003e1 A at 75 V DC\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eCertifications\u003c\/td\u003e\n    \u003ctd\u003eATEX, IECEx\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eHazardous Zone\u003c\/td\u003e\n    \u003ctd\u003eZone 1, 2, 21, 22\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\nAllen Bradley 440K-H04035 safety interlock switches are widely used in industrial settings requiring explosion-proof safety measures. Typical applications include oil refineries, chemical plants, and pharmaceutical manufacturing. These switches ensure that access doors, guards, or hazardous areas remain locked until dangerous energy sources are controlled or shut off. Their explosion-proof certification makes them ideal for environments where flammable gases or combustible dust are present, safeguarding personnel from accidental exposure. The switch’s reliable locking tongue mechanism supports machine safety protocols and lockout\/tagout procedures, reducing downtime and enhancing compliance with safety regulations.\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\/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-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-440k-h04036\" target=\"_blank\"\u003eAllen Bradley 440K-H04036 Explosion Proof Safety Interlock Switch\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\n\n\n\u003cmeta name=\"title\" content=\"Allen Bradley 440K-H04035 Explosion Proof Safety Interlock Switch\"\u003e\n\u003cmeta name=\"description\" content=\"Discover the Allen Bradley 440K-H04035, explosion-proof safety interlock switch designed for hazardous zones. Reliable safety compliance for industrial automation.\"\u003e\n\u003cmeta name=\"keywords\" content=\"Allen Bradley, 440K-H04035, explosion proof switch, safety interlock, hazardous location switch, industrial automation\"\u003e\n\u003cmeta name=\"robots\" content=\"index,follow\"\u003e\n\n\u003cdiv style=\"display:none;\"\u003e\n\n\u003c\/div\u003e\n\n\u003cimg alt=\"Allen Bradley 440K-H04035 Explosion Proof Safety Interlock Switch\"\u003e\n\n**Verification Link:** https:\/\/literature.rockwellautomation.com\/idc\/groups\/literature\/documents\/in\/440t-in003_-en-p.pdf  \n\n\nTags: Allen Bradley, 440K-H04035, Explosion Proof Switch, Safety Interlock, Industrial Automation, seodone","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47870695473451,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_eb2133f9-50a7-4804-b8c4-305b2e43a421.png?v=1723534759","url":"https:\/\/leadtime.ca\/products\/allen-bradley-440k-h04035","provider":"LEADTIME","version":"1.0","type":"link"}