{"product_id":"allen-bradley-440t-mssue220h","title":"440T-MSSUE220H","description":"\u003ch2\u003eOverview of Allen-Bradley 440T-MSSUE220H Trapped Key Interlock Switch\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley 440T-MSSUE220H is a trapped key interlock switch designed for safety applications where secure access control to hazardous machinery is required. It features a single key, slamlock mechanism with direct drive operation and a stainless steel construction for durability. The solenoid operates at 24 V DC, and the unit includes an integral solenoid monitor and key-free status indicator for enhanced safety.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of Allen-Bradley - 440T-MSSUE220H\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle key trapped key interlock with slamlock mechanism for secure guarding.\u003c\/li\u003e\n  \u003cli\u003eOperates at 24 V DC solenoid voltage with integral monitoring.\u003c\/li\u003e\n  \u003cli\u003eStainless steel construction with weatherproof dust cap for industrial environments.\u003c\/li\u003e\n  \u003cli\u003eDirect drive operation positively opens contacts.\u003c\/li\u003e\n  \u003cli\u003eKey can only be removed when solenoid is energized (power to release).\u003c\/li\u003e\n  \u003cli\u003eIncludes key-free status indicator (light or neon) for visual confirmation.\u003c\/li\u003e\n  \u003cli\u003eReplaceable code barrel assembly for tailored keying requirements.\u003c\/li\u003e\n  \u003cli\u003eCertified to EN ISO 14119 with Category 3 and Performance Level d safety classification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications of 440T-MSSUE220H\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e440T-MSSUE220H\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eKey Type\u003c\/td\u003e\n\u003ctd\u003eSingle Key\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSolenoid Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e316L Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eSlamlock, Trapped Key\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eContact Type\u003c\/td\u003e\n\u003ctd\u003e2 N.C. + 1 N.O. Break Before Make\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eWeatherproof Dust Cap\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eStandards Compliance\u003c\/td\u003e\n\u003ctd\u003eEN ISO 14119, GS-ET-31, EN ISO 13849-1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSafety Category\u003c\/td\u003e\n\u003ctd\u003eCategory 3, PLd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThe 440T-MSSUE220H is ideal for securing hazardous machine access points where reliable safety locking and key control are vital. It's used in manufacturing, metalworking, and material handling industries to prevent accidental or unauthorized entry during machinery operation.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47814763315499,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_d7519456-0d69-48ae-8f9c-e8693d485ac1.png?v=1723539376","url":"https:\/\/leadtime.ca\/products\/allen-bradley-440t-mssue220h","provider":"LEADTIME","version":"1.0","type":"link"}