{"product_id":"allen-bradley-440r-n23131-relay","title":"Allen-Bradley 440R-N23131 Safety Relay 115V AC 3NO 1NC","description":"\u003cstyle\u003e.nxs-industrial-product-page{--industrial-navy:#082f49;--industrial-blue:#0b4f7c;--industrial-blue-2:#0f6ea8;--industrial-blue-3:#1784c1;--industrial-cyan:#38bdf8;--steel-blue:#dcebf5;--steel-blue-2:#edf6fb;--steel-line:#c9dce9;--surface:#ffffff;--surface-soft:#f7fbfe;--text-main:#173042;--text-muted:#5e7382;--shadow-soft:0 10px 30px rgba(8,47,73,0.08);--shadow-hover:0 16px 36px rgba(8,79,124,0.15);--radius-lg:14px;--radius-md:10px}.nxs-industrial-product-page,.nxs-industrial-product-page *{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif}.nxs-industrial-product-page{background-color:#f3f8fb;background-image:linear-gradient(180deg,#eef6fb 0,#f7fafc 320px,#eef3f7 100%),linear-gradient(rgba(15,110,168,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(15,110,168,0.025) 1px,transparent 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*::before,.nxs-industrial-product-page *::after{transition:none!important}}\u003c\/style\u003e\n\u003cdiv class=\"nxs-industrial-product-page\"\u003e\n\u003cdiv class=\"container\"\u003e\u003cmain\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e440R-N23131\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eSafety Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSub Brand\u003c\/td\u003e\n\u003ctd\u003eGuardmaster\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Model\u003c\/td\u003e\n\u003ctd\u003eMSR127TP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Inputs\u003c\/td\u003e\n\u003ctd\u003e1 N.C., 2 N.C., or OSSD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImmediate Safety Outputs\u003c\/td\u003e\n\u003ctd\u003e3 N.O.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImmediate Auxiliary Outputs\u003c\/td\u003e\n\u003ctd\u003e1 N.C.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e115 V AC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReset\u003c\/td\u003e\n\u003ctd\u003eAutomatic\/Manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e15 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-On Delay\u003c\/td\u003e\n\u003ctd\u003e1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecovery Time\u003c\/td\u003e\n\u003ctd\u003e100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e110 Ω Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Classification\u003c\/td\u003e\n\u003ctd\u003eCategory 4, PLe per ISO 13849-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSIL\u003c\/td\u003e\n\u003ctd\u003eSIL 3 per IEC 61508 and IEC 62061\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStop Category\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Impulse Withstand Voltage\u003c\/td\u003e\n\u003ctd\u003e2500 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Switching Current\/Voltage\u003c\/td\u003e\n\u003ctd\u003e10 mA at 10 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eRemovable Screw Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Protection\u003c\/td\u003e\n\u003ctd\u003eIP40 (NEMA 1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Protection\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e260 g (0.57 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor Size\u003c\/td\u003e\n\u003ctd\u003e0.2–4 mm² (24–12 AWG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e114.5 × 22.5 × 99 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eMSR127TP Safety Relay\u003c\/h3\u003e\n\u003cp\u003eThe 440R-N23131 is a Guardmaster MSR127TP single-function safety relay designed for safety monitoring applications using mechanical contacts or compatible OSSD devices.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e3NO Safety Outputs\u003c\/h3\u003e\n\u003cp\u003eThree normally open safety-rated outputs use independent and redundant internal contacts to support the safety function.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e1NC Auxiliary Output\u003c\/h3\u003e\n\u003cp\u003eOne normally closed auxiliary output provides an external status signal associated with the state of the safety outputs.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e115V AC Supply\u003c\/h3\u003e\n\u003cp\u003eThis catalog number is the 115 V AC, 50\/60 Hz version of the MSR127TP family and has a documented power consumption of 2 W.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eFlexible Safety Inputs\u003c\/h3\u003e\n\u003cp\u003eThe relay supports one N.C., two N.C., or OSSD input configurations for compatible safety devices, with cross-fault monitoring for the two N.C. configuration.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eRemovable Screw Terminals\u003c\/h3\u003e\n\u003cp\u003eThe 440R-N23131 uses removable screw terminals and mounts on standard 35 mm DIN rail for industrial control-panel installation.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEmergency-stop circuit monitoring\u003c\/li\u003e\n\u003cli\u003eSafety gate monitoring\u003c\/li\u003e\n\u003cli\u003eLight curtain monitoring\u003c\/li\u003e\n\u003cli\u003eOSSD safety device monitoring\u003c\/li\u003e\n\u003cli\u003eDual-channel safety circuits\u003c\/li\u003e\n\u003cli\u003eMachine safety control panels\u003c\/li\u003e\n\u003cli\u003eIndustrial equipment safeguarding\u003c\/li\u003e\n\u003cli\u003eSafety-related shutdown circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the Allen-Bradley 440R-N23131 Safety Relay. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Allen-Bradley 440R-N23131?\u003c\/strong\u003e\u003cbr\u003eThe 440R-N23131 is a Guardmaster MSR127TP single-function safety relay with 115 V AC supply, three normally open safety outputs and one normally closed auxiliary output.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power supply does 440R-N23131 use?\u003c\/strong\u003e\u003cbr\u003eThis catalog number uses a 115 V AC, 50\/60 Hz power supply.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eHow many safety outputs does 440R-N23131 provide?\u003c\/strong\u003e\u003cbr\u003eThe relay provides three normally open safety-rated outputs.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDoes 440R-N23131 have an auxiliary output?\u003c\/strong\u003e\u003cbr\u003eYes. It provides one normally closed auxiliary output for external status signalling.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat input configurations does 440R-N23131 support?\u003c\/strong\u003e\u003cbr\u003eThe MSR127TP supports one normally closed input, two normally closed inputs, or OSSD inputs from compatible safety devices.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat reset type does 440R-N23131 use?\u003c\/strong\u003e\u003cbr\u003eThe 440R-N23131 is the automatic\/manual reset version of the MSR127TP safety relay.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the response time of 440R-N23131?\u003c\/strong\u003e\u003cbr\u003eThe documented response time is 15 ms.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat safety classification does the MSR127TP support?\u003c\/strong\u003e\u003cbr\u003eThe MSR127RP\/TP family is specified up to Category 4 and PLe according to ISO 13849-1 and SIL 3 according to IEC 61508 and IEC 62061, depending on the system architecture and application.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eCan 440R-N23131 monitor an emergency-stop circuit?\u003c\/strong\u003e\u003cbr\u003eYes. The MSR127TP family is intended for safety monitoring applications including emergency-stop circuits when configured according to the applicable safety requirements.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eCan 440R-N23131 be used with an OSSD device?\u003c\/strong\u003e\u003cbr\u003eYes. OSSD is one of the documented input configurations. The connected OSSD device is responsible for cross-fault detection for its outputs.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of terminals does 440R-N23131 use?\u003c\/strong\u003e\u003cbr\u003eThe 440R-N23131 uses removable screw terminals and supports conductor sizes up to 0.2 to 4 mm², or 24 to 12 AWG.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering 440R-N23131?\u003c\/strong\u003e\u003cbr\u003eCheck the complete catalog number, 115 V AC supply requirement, input device and wiring configuration, 3NO safety and 1NC auxiliary output requirements, automatic\/manual reset function and the required safety-system architecture.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46719415681103,"sku":"CL5-Allen-Bradley-440R-N23131","price":195.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/440R-N23131-_01.jpg?v=1788775749","url":"https:\/\/yunshuotrade.com\/products\/allen-bradley-440r-n23131-relay","provider":"yunshuotrade","version":"1.0","type":"link"}