{"product_id":"siemens-3sk1211-1bb40-sirius-safety-relay-output-expansion-4-no-contacts-1-nc-signaling-contact-24-v-dc-screw-terminals","title":"Siemens 3SK1211-1BB40","description":"\u003cp\u003eThe \u003cstrong\u003eSiemens 3SK1211-1BB40\u003c\/strong\u003e is an output expansion module from the SIRIUS safety relay series, designed to enhance safety-related circuits by providing additional relay enabling circuits. It features \u003cstrong\u003e4 normally open (NO) contacts\u003c\/strong\u003e for safety functions and \u003cstrong\u003e1 normally closed (NC) contact\u003c\/strong\u003e for signaling purposes. The module operates at a control supply voltage of \u003cstrong\u003e24 V DC\u003c\/strong\u003e and is equipped with \u003cstrong\u003escrew terminal\u003c\/strong\u003e connections for secure and straightforward wiring.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"color:#0066CC; font-size:1em;\"\u003e◆ \u003c\/span\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Enabling Circuits:\u003c\/strong\u003e 4 NO contacts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignaling Circuit:\u003c\/strong\u003e 1 NC contact\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Supply Voltage:\u003c\/strong\u003e 24 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Screw terminals\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSuitable for Safety-Related Circuits\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eConfigurable for Undelayed or Delayed Operation\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"color:#0066CC; font-size:1em;\"\u003e◆ \u003c\/span\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Safety Relay Output Expansion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3SK1211-1BB40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Voltage:\u003c\/strong\u003e 300 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDegree of Pollution:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvervoltage Category:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Voltage Resistance:\u003c\/strong\u003e 4,000 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock Resistance:\u003c\/strong\u003e 10g \/ 11 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Resistance:\u003c\/strong\u003e 5 to 500 Hz, 0.75 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Operating Frequency:\u003c\/strong\u003e 360 operations per hour\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Service Life:\u003c\/strong\u003e Approximately 10 million operating cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Current (Ith):\u003c\/strong\u003e 5 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature:\u003c\/strong\u003e -25°C to +60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (H x W x D):\u003c\/strong\u003e 100 mm x 22.5 mm x 121.6 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 0.224 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"color:#0066CC; font-size:1em;\"\u003e◆ \u003c\/span\u003eSafety Standards Compliance:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC 62061 (SIL):\u003c\/strong\u003e SIL 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 13849-1 (PL):\u003c\/strong\u003e PL e, Category 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC 61508 (SIL):\u003c\/strong\u003e SIL 3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"color:#0066CC; font-size:1em;\"\u003e◆ \u003c\/span\u003eApplications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Automation:\u003c\/strong\u003e Enhances safety circuits by providing additional relay outputs for complex safety functions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine Safety:\u003c\/strong\u003e Ideal for expanding safety relay outputs in machinery requiring multiple safety-related switching contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Control:\u003c\/strong\u003e Suitable for applications necessitating reliable safety relay expansions to ensure operational safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e For detailed technical information and installation guidelines, refer to the official Siemens documentation for the 3SK1211-1BB40.\u003c\/p\u003e","brand":"Flateck Automation","offers":[{"title":"Default Title","offer_id":48885269004515,"sku":"3SK1211-1BB40","price":232.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/4214\/3203\/files\/3SK1211-1BB40.webp?v=1777401948","url":"https:\/\/flateck.myshopify.com\/products\/siemens-3sk1211-1bb40-sirius-safety-relay-output-expansion-4-no-contacts-1-nc-signaling-contact-24-v-dc-screw-terminals","provider":"Flateck Automation","version":"1.0","type":"link"}