{"product_id":"allen-bradley-440k-b04026","title":"440K-B04026","description":"\u003ch2\u003eOverview of Allen Bradley 440K-B04026\u003c\/h2\u003e\n\u003cp\u003eThe Allen Bradley 440K-B04026 is a Guardmaster Centurion Tongue Interlock Switch designed specifically for safety applications in industrial environments. It features a time-delay function that prevents access to machinery immediately after power is switched off, ensuring safe operation and maintenance procedures. Manufactured with a durable metal housing and rated IP66 for protection against dust and water, this switch fits seamlessly into guarding systems. The unit includes 2 normally closed safety contacts and 1 normally open auxiliary contact, offering reliable break-before-make switching for secure power isolation. It operates effectively within a temperature range of -25°C to +80°C and handles up to 600V AC\/DC, making it a versatile solution for diverse industrial safety needs.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of Allen Bradley 440K-B04026\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eTimed delay bolt prevents guard opening for 15-20 seconds after power off\u003c\/li\u003e\n  \u003cli\u003e2 Normally Closed (NC) safety contacts and 1 Normally Open (NO) auxiliary contact\u003c\/li\u003e\n  \u003cli\u003eBreak-before-make contact configuration for enhanced safety\u003c\/li\u003e\n  \u003cli\u003eDurable metal housing with IP66 ingress protection rating\u003c\/li\u003e\n  \u003cli\u003eSupports maximum voltage of 600V AC\/DC and current up to 6A\u003c\/li\u003e\n  \u003cli\u003eManual thumb wheel actuator to withdraw interlock shaft safely\u003c\/li\u003e\n  \u003cli\u003eCompact dimensions: 64mm length, 40.5mm width, and 98mm depth\u003c\/li\u003e\n  \u003cli\u003eSuitable for use in harsh industrial environments, temperature range from -25°C to +80°C\u003c\/li\u003e\n  \u003cli\u003eConforms to multiple safety standards including EN 1088 and IEC 60947-5-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs of 440K-B04026\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e440K-B04026\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eGuardmaster Centurion Tongue Interlock Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eContacts\u003c\/td\u003e\n\u003ctd\u003e2 NC Safety + 1 NO Auxiliary\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eContact Type\u003c\/td\u003e\n\u003ctd\u003eBreak Before Make\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eActuator\u003c\/td\u003e\n\u003ctd\u003eIncluded, manual thumb wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eM20 Conduit\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eDie-Cast Metal Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003eIP66\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaximum Voltage\u003c\/td\u003e\n\u003ctd\u003e600V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaximum Current\u003c\/td\u003e\n\u003ctd\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions (L x W x D)\u003c\/td\u003e\n\u003ctd\u003e64mm x 40.5mm x 98mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eStandards Compliance\u003c\/td\u003e\n\u003ctd\u003eEN 1088, EN 292, EN 60947-5-1, EN 60204-1\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 440K-B04026 is ideal for safeguarding machinery in manufacturing plants, assembly lines, and automation systems where operator safety is critical. Its timed delay function prevents premature access, protecting personnel from hazardous machine movements after shutdown. This interlock switch suits sliding, hinged, or lift-off guards and is commonly deployed in industries such as automotive, packaging, and heavy equipment production. It integrates into safety control circuits to meet stringent safety standards and provides reliable fail-safe isolation of machinery power. The metal construction and high ingress protection rating make it appropriate for harsh environments involving dust, moisture, or washdown processes.\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\"\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-1321-3r18-b\" target=\"_blank\"\u003eAllen Bradley 1321-3R18-B Resistor Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47870695506219,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_2db405b9-c0ad-4d33-b72f-7937c0b49b6f.png?v=1723534756","url":"https:\/\/leadtime.ca\/products\/allen-bradley-440k-b04026","provider":"LEADTIME","version":"1.0","type":"link"}