{"product_id":"siemens-3sk1211-1bb40","title":"3SK1211-1BB40","description":"\u003ch2\u003eOverview of Siemens 3SK1211-1BB40\u003c\/h2\u003e\n\u003cp\u003eShop original Siemens 3SK1211-1BB40 online at LeadTime.ca and upgrade your automation system with this premium safety relay module from the proven SIRIUS product range. Designed for safety-related circuits, the Siemens 3SK1211-1BB40 is a 24V DC output expansion module featuring four normally open (NO) relay enabling circuits and an additional normally closed (NC) signaling contact. Whether you are setting up a new production line or expanding existing safety logic, this module delivers reliable performance, robust protection, and UL approval—making it a trusted choice for engineers and integrators worldwide. Buy Siemens 3SK1211-1BB40 for seamless integration into advanced control panels and achieve peace of mind with certification-tested components.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3SK1211-1BB40\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e4 normally open (NO) relay enabling circuits plus 1 normally closed (NC) signaling contact for flexible safety logic\u003c\/li\u003e\n\u003cli\u003eDesigned for 24V DC control voltage, ensuring compatibility with industrial automation systems\u003c\/li\u003e\n\u003cli\u003eUL approved, meeting global safety standards for industrial applications\u003c\/li\u003e\n\u003cli\u003eCapable of use in safety-related circuits, verified for machine and process safety\u003c\/li\u003e\n\u003cli\u003eFast make time (typical 15 ms, max 30 ms) for rapid response in safety-critical situations\u003c\/li\u003e\n\u003cli\u003eScrew terminal connections support a range of wire cross-sections for easy installation\u003c\/li\u003e\n\u003cli\u003eCompact dimensions (22.5 x 100 x 121.6 mm) for space-efficient panel mounting\u003c\/li\u003e\n\u003cli\u003eReliable mechanical construction with up to 10 million switching cycles\u003c\/li\u003e\n\u003cli\u003eIP20 protection class for basic environmental immunity in control cabinets\u003c\/li\u003e\n\u003cli\u003eWide operating voltage range (0.8 to 1.2 times rated value) for stable performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of 3SK1211-1BB40\u003c\/h2\u003e\n\u003cp\u003eRefer to 3SK1211-1BB40 technical data for detailed parameters covering voltage, I\/O, and communication before installation.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Voltage\u003c\/td\u003e\n\u003ctd\u003e24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Contacts\u003c\/td\u003e\n\u003ctd\u003e4 NO, 1 NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMake Time (Typical\/Max)\u003c\/td\u003e\n\u003ctd\u003e15 ms \/ 30 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecovery Time (Typical)\u003c\/td\u003e\n\u003ctd\u003e0.015 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e0.8 – 1.2 x rated value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Voltage\u003c\/td\u003e\n\u003ctd\u003e300 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Life\u003c\/td\u003e\n\u003ctd\u003e10,000,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e22.5 x 100 x 121.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eScrew and snap-on, any position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Cross-Section (Solid)\u003c\/td\u003e\n\u003ctd\u003e1x (0.5–2.5 mm²), 2x (1.0–1.5 mm²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eUL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3SK1211-1BB40 is commonly used in industrial automation applications worldwide, including production line systems, packaging and conveyor operations, and machine safety control panels. Its robust design and safety-focused architecture make it ideal for applications requiring dependable relay expansion and monitored start\/stop logic. Integrate this module into your next safety system for enhanced protection and regulatory compliance.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eCheck Siemens 3SK1211-1BB40 price online through LeadTime.ca for fast worldwide dispatch. Bulk orders and real-time stock status inquiries are supported—contact our team for custom pricing and immediate delivery options.\u003c\/p\u003e\n\u003ch2\u003eWhy Order from LeadTime.ca\u003c\/h2\u003e\n\u003cp\u003eAll products on LeadTime.ca are genuine, supplied by trusted distributors, and supported with manufacturer warranty, available for worldwide shipping. Order now for worldwide delivery—our dedicated support and logistics ensure your automation projects are delivered on time, every time.\u003c\/p\u003e\n\u003ch2\u003eRelated Resources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/\"\u003eLeadTime.ca – Industrial Automation Components \u0026amp; Repair Services\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/collections\/siemens\"\u003eBrowse Siemens PLCs, Drives \u0026amp; Automation Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-plc-programming-basics\"\u003eSiemens PLC Programming Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-tia-portal-io-errors\"\u003eSiemens TIA Portal IO Error Troubleshooting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/recover-siemens-plc-hmi-programs\"\u003eHow to Recover Siemens PLC and HMI Programs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47796251590955,"sku":null,"price":177.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/41._siemens-3sk1211-1bb40_211864b6-5410-4d7d-9eca-12ad36007f9f.jpg?v=1775058497","url":"https:\/\/leadtime.ca\/products\/siemens-3sk1211-1bb40","provider":"LEADTIME","version":"1.0","type":"link"}