{"product_id":"allen-bradley-440r-b23020","title":"440R-B23020","description":"\u003ch2\u003eOverview of Allen-Bradley 440R-B23020 Minotaur MSR5T Safety Relay\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley 440R-B23020 is a Minotaur MSR5T safety relay designed for emergency stop, guard door interlock, and restart interlock applications requiring reliable and compact safety control. Operating on 24 V AC\/DC power, it provides three normally open (N.O.) safety outputs and one normally closed (N.C.) auxiliary output for status indication. The relay supports both automatic and manual reset operations to ensure safe and controlled restart after an emergency event.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of 440R-B23020\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePower supply: 24 V AC\/DC, with a tolerance of 0.85 to 1.1 times rated voltage.\u003c\/li\u003e\n  \u003cli\u003eInputs: One 2 N.C. input for safety device connection.\u003c\/li\u003e\n  \u003cli\u003eOutputs: Three N.O. safety outputs and one N.C. auxiliary output.\u003c\/li\u003e\n  \u003cli\u003eReset: Automatic and manual reset modes supported.\u003c\/li\u003e\n  \u003cli\u003eSafety standards compliance: ISO 13849-1 Cat. 4, SIL CL 3 according to IEC 62061 and IEC 61508.\u003c\/li\u003e\n  \u003cli\u003eSafety response time: Approximately 30 ms.\u003c\/li\u003e\n  \u003cli\u003eContact ratings: AC-15 – 6 A @ 250 V AC, DC-13 – 3 A @ 24 V DC, UL rating B 300.\u003c\/li\u003e\n  \u003cli\u003eMechanical life: 10 million cycles; Electrical life: up to 1 million cycles at specified loads.\u003c\/li\u003e\n  \u003cli\u003eEnclosure width: 22.5 mm for compact DIN rail mounting.\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range: -5 to +55 °C (23 to 131 °F).\u003c\/li\u003e\n  \u003cli\u003eMounting: 35 mm DIN rail within an enclosure rated at least IP54.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 V AC\/DC (0.85–1.1 x rated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e1 x 2 N.C. monitored\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Outputs\u003c\/td\u003e\n\u003ctd\u003e3 x N.O.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Output\u003c\/td\u003e\n\u003ctd\u003e1 x N.C.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReset\u003c\/td\u003e\n\u003ctd\u003eAutomatic\/manual monitored\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Category\u003c\/td\u003e\n\u003ctd\u003eCategory 4, Performance Level e (ISO 13849-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSIL Level\u003c\/td\u003e\n\u003ctd\u003eSIL CL3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e~30 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Ratings\u003c\/td\u003e\n\u003ctd\u003eAC-15: 6 A @ 250 V AC, DC-13: 3 A @ 24 V DC, UL B300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Life\u003c\/td\u003e\n\u003ctd\u003e10 million cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Life\u003c\/td\u003e\n\u003ctd\u003eUp to 1 million cycles (depending on load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Width\u003c\/td\u003e\n\u003ctd\u003e22.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-5 to +55 °C (23 to 131 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail (IP54 enclosure or better)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 180 grams (0.4 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Cases\u003c\/h2\u003e\n\u003cp\u003eThe 440R-B23020 safety relay is ideal for protecting personnel and machinery in industrial automation environments through emergency stop, guard door monitoring, and controlled restart functions. Its compact size and compliance with high safety standards make it suitable for machine safety circuits and safety control panels.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47809561952555,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_186a71db-65b3-480d-b25b-244b125c7b00.png?v=1723546374","url":"https:\/\/leadtime.ca\/products\/allen-bradley-440r-b23020","provider":"LEADTIME","version":"1.0","type":"link"}