{"product_id":"sr209ad01-omron-dual-channel-safety-monitoring-relay-24-vacdc-4pst-no","title":"SR209AD01 | Omron Dual Channel Safety Monitoring Relay 24 VAC\/DC 4PST-NO","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Omron SR209AD01 Dual Channel Safety Monitoring Relay is a safety-rated control relay designed to monitor dual safety input circuits and ensure controlled machine shutdown in the event of a fault or emergency. Operating on 24 VAC\/DC, it provides four normally open (4PST-NO) safety contacts rated for 6A at 250 VAC \/ 24 VDC. This relay is ideal for applications requiring reliable safety circuit supervision, including E-stop buttons, safety gates, and interlock devices.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 519.438px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eIndustrial Safety Equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eSR209AD01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eSafety Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eSR Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eDual Channel Safety Monitoring Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eCoil Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003e24 VAC\/DC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eContact Form\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003e4PST-NO (4 Form A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eContact Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003e6 A per contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 39.1875px;\"\u003e\u003cstrong\u003eSwitching Voltage (Max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 39.1875px;\"\u003e250 VAC \/ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eRelease Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003e15 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eDIN Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eTermination Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eScrew Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eLighted Power\/Status Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 39.1875px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 39.1875px;\"\u003e-5°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eSafety Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eDual-Channel (Redundant Monitoring)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 39.1875px;\"\u003e\u003cstrong\u003eStandards Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 39.1875px;\"\u003eMeets Industrial Safety Standards (ISO\/EN 13849, IEC 60204-1 typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 10px;\"\u003e\u003cstrong\u003eEnclosure Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 10px;\"\u003eIP20 (panel mounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eEmergency Stop, Safety Gate, Interlock Monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.864%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.9167%; height: 19.5938px;\"\u003eApprox. 0.6 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About SR209AD01\u003c\/h4\u003e\n\u003cp\u003eThe SR209AD01 is part of the Omron SR Series of safety monitoring relays, built for compliance with industrial safety standards in machine automation and control systems. Designed for dual-channel monitoring, it detects shorts, cross faults, and open circuits in safety inputs to ensure redundant protection. The unit operates on 24 VAC\/DC and includes LED indicators for power and output status, simplifying diagnostics and system verification. With a DIN rail mounting design and screw terminal connections, the SR209AD01 offers secure installation and long-term reliability. Although now discontinued, it remains a dependable solution for maintaining or upgrading legacy Omron safety control systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual-Channel Safety Monitoring: Ensures redundant fault detection for safety inputs such as E-stop and gate switches.\u003c\/li\u003e\n\u003cli\u003eUniversal Voltage Supply: Operates on 24 VAC\/DC at 50\/60 Hz for flexible system integration.\u003c\/li\u003e\n\u003cli\u003eFour Safety Outputs: Provides 4PST-NO contacts rated 6A for reliable control of safety circuits.\u003c\/li\u003e\n\u003cli\u003eHigh Switching Capacity: Handles up to 250 VAC or 24 VDC switching voltages.\u003c\/li\u003e\n\u003cli\u003eLighted Status Indicator: LED provides clear visual feedback for power and relay operation.\u003c\/li\u003e\n\u003cli\u003eFast Response Time: Typical release time of 15 ms for quick safety circuit reaction.\u003c\/li\u003e\n\u003cli\u003eDIN Rail Mounting: Simplifies installation within control cabinets.\u003c\/li\u003e\n\u003cli\u003eScrew Terminal Connections: Provides secure, vibration-resistant wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SR209AD01 delivers the reliability and precision required for machine safety, control redundancy, and emergency stop monitoring in industrial systems.\u003c\/p\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":49105120166144,"sku":"SR209AD01","price":1065.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l300_c876df63-8ced-4afb-b77e-b0a1305827df.webp?v=1785540691","url":"https:\/\/alotechparts.com\/products\/sr209ad01-omron-dual-channel-safety-monitoring-relay-24-vacdc-4pst-no","provider":"Alo Tech Solutions","version":"1.0","type":"link"}