{"product_id":"siemens-3tk2820-1cb30-sirius-safety-relay-24v-ac-dc","title":"Siemens 3TK2820-1CB30 SIRIUS Safety Relay 24V AC\/DC","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe Siemens 3TK2820-1CB30 is a SIRIUS safety relay designed to monitor emergency-stop circuits and protective door switches in industrial machinery. It features a 24 V AC\/DC control supply, three normally open safety contacts, and one normally closed auxiliary contact. The relay helps ensure that machinery can be stopped safely when a monitored safety circuit is activated or interrupted.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e \u003c\/p\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"border-collapse: collapse; width: 372px; max-width: 100%; font-size: 14px; height: 489.844px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003eIndustrial Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003e3TK2820-1CB30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003eSafety Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003eProduct Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003eSIRIUS 3TK28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003eRated Control Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003e24 V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003eSupply Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003e50\/60 Hz for AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 141.365px;\"\u003e\u003cstrong\u003eSafety Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 204.635px;\"\u003e3 × normally open (NO), instantaneous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003eAuxiliary Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003e1 × normally closed (NC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 141.365px;\"\u003e\u003cstrong\u003eSafety Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 204.635px;\"\u003eEmergency stop and protective door monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 141.365px;\"\u003e\u003cstrong\u003eMaximum Performance Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 204.635px;\"\u003ePL e, depending on system design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 141.365px;\"\u003e\u003cstrong\u003eMaximum Safety Integrity Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 204.635px;\"\u003eSIL 3, depending on system design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 141.365px;\"\u003e\u003cstrong\u003eRated Insulation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 204.635px;\"\u003e300 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003eSnap-on DIN rail mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003eScrew terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 141.365px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 39.1875px; width: 204.635px;\"\u003e−25°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 141.365px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 3px 6px; height: 19.5938px; width: 204.635px;\"\u003e0.299 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 3TK2820-1CB30\u003c\/h4\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe Siemens 3TK2820-1CB30 is an industrial safety relay from the SIRIUS 3TK28 series, designed for safety-related control applications. It monitors connected emergency-stop devices and protective door switches and controls safety outputs according to the configured circuit. Its automatic and monitored start functions support different machine safety requirements, while its compact housing and DIN rail mounting allow installation in industrial control cabinets. The relay is intended for integration into properly designed safety systems for compatible machinery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEmergency Stop Monitoring: Monitors emergency-stop circuits to support safe machine shutdown.\u003c\/li\u003e\n\u003cli\u003eSafety Door Monitoring: Monitors protective door and guard-switch circuits in compatible machinery.\u003c\/li\u003e\n\u003cli\u003e24 V AC\/DC Supply: Operates with a nominal 24 V AC or 24 V DC control supply.\u003c\/li\u003e\n\u003cli\u003eThree Safety NO Contacts: Provides three instantaneous normally open safety relay contacts.\u003c\/li\u003e\n\u003cli\u003eOne Auxiliary NC Contact: Provides an auxiliary normally closed contact for signaling and status feedback.\u003c\/li\u003e\n\u003cli\u003eMonitored and Automatic Start: Supports monitored start and automatic start configurations, according to the application setup.\u003c\/li\u003e\n\u003cli\u003eHigh Safety Capability: Supports up to Performance Level e and SIL 3 when correctly designed and integrated into a suitable safety system.\u003c\/li\u003e\n\u003cli\u003eCompact DIN Rail Mounting: Uses a 22.5 mm-wide housing for installation in industrial control cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Siemens 3TK2820-1CB30 provides safety circuit monitoring for emergency-stop systems, protective doors, and industrial machinery.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":52954881491242,"sku":"3TK2820-1CB30","price":625.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/57484_1.jpg?v=1792078665","url":"https:\/\/iqelectro.com\/products\/siemens-3tk2820-1cb30-sirius-safety-relay-24v-ac-dc","provider":"IQElectro","version":"1.0","type":"link"}