{"product_id":"siemens-3sk1211-1bb40-sirius-safety-relay-output-expansion-module","title":"Siemens 3SK1211-1BB40","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3SK1211-1BB40 is a vital component in modern industrial safety systems, representing a state-of-the-art solution for expanding safety-related circuits. As part of the renowned SIRIUS safety relay series, this output expansion module is engineered to provide additional relay enabling circuits, thereby enhancing the functional scope and reliability of your safety applications. Designed for seamless integration, it offers four normally open (NO) contacts for critical safety functions and one normally closed (NC) contact specifically for signaling purposes, ensuring comprehensive monitoring and control within your operational environment. Operating efficiently on a 24 V DC control supply voltage, the module guarantees stable performance. Its incorporation of secure screw terminal connections simplifies installation and provides robust wiring, making the Siemens 3SK1211-1BB40 an indispensable asset for robust and compliant safety solutions.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Safety Expansion:\u003c\/strong\u003e Provides 4 normally open (NO) contacts for critical safety circuit expansion.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDedicated Signaling:\u003c\/strong\u003e Includes 1 normally closed (NC) contact for clear and reliable signaling of operational status.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOptimal Control Voltage:\u003c\/strong\u003e Operates efficiently at a 24 V DC control supply voltage for consistent performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSecure Connectivity:\u003c\/strong\u003e Equipped with robust screw terminals for straightforward and highly secure wiring.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Application:\u003c\/strong\u003e Suitable for a wide range of safety-related circuits, enhancing system flexibility.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConfigurable Operation:\u003c\/strong\u003e Offers flexibility for either undelayed or delayed operation based on application needs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndustrial Durability:\u003c\/strong\u003e Engineered to withstand harsh industrial conditions, ensuring long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3SK1211-1BB40 output expansion module boasts impressive technical specifications designed to meet stringent industrial demands:\u003c\/p\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 III\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    \u003cli\u003e\n\u003cstrong\u003eSafety Standards Compliance:\u003c\/strong\u003e \n        \u003cul\u003e\n            \u003cli\u003eIEC 62061 (SIL): SIL 3\u003c\/li\u003e\n            \u003cli\u003eISO 13849-1 (PL): PL e, Category 4\u003c\/li\u003e\n            \u003cli\u003eIEC 61508 (SIL): SIL 3\u003c\/li\u003e\n        \u003c\/ul\u003e\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndustrial Automation Systems:\u003c\/strong\u003e Significantly enhances the capabilities of existing safety circuits by providing robust and reliable additional relay outputs for complex automation functions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMachine Safety Systems:\u003c\/strong\u003e Perfectly suited for expanding safety relay outputs in diverse machinery, addressing applications that require multiple safety-related switching contacts to ensure operator and equipment protection.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProcess Control Environments:\u003c\/strong\u003e An ideal solution for applications within process control that necessitate dependable safety relay expansions to maintain operational safety and compliance with regulatory standards.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEmergency Stop Circuits:\u003c\/strong\u003e Can be integrated into complex emergency stop systems to manage multiple shutdown sequences or signals efficiently.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRobotics Safety:\u003c\/strong\u003e Essential for expanding safety functionality in robotic work cells, integrating with safety PLCs to control various safety zones and mechanisms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This Model?\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUnmatched Reliability:\u003c\/strong\u003e Siemens is a global leader in industrial automation, and the 3SK1211-1BB40 upholds this reputation with its robust design and adherence to stringent safety standards.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Designed as part of the SIRIUS family, it ensures effortless compatibility and integration with existing Siemens safety relay systems, streamlining your setup process.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompliance and Assurance:\u003c\/strong\u003e Meeting critical safety standards such as SIL 3 (IEC 62061 \u0026amp; IEC 61508) and PL e, Category 4 (ISO 13849-1), this module offers peace of mind and regulatory compliance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVersatile Functionality:\u003c\/strong\u003e With both NO and NC contacts and configurable operation, it provides the flexibility needed to adapt to a wide array of safety applications, ensuring your system is both safe and efficient.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to withstand demanding industrial conditions, its high shock and vibration resistance, coupled with a wide operating temperature range, guarantees long-term performance and minimal downtime.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOptimized for Performance:\u003c\/strong\u003e The high mechanical service life and thermal current rating reflect a product engineered for continuous, high-performance operation in critical safety applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOrder Now\u003c\/h2\u003e\n\u003cp\u003eElevate your industrial safety systems with the Siemens 3SK1211-1BB40 SIRIUS Safety Relay Output Expansion Module. Its advanced features, proven reliability, and compliance with global safety standards make it the ideal choice for enhancing the safety and efficiency of your operations. \u003ca href=\"#\"\u003eAdd to cart\u003c\/a\u003e today and experience the Siemens difference in safety technology. For detailed installation guidance and further technical documentation, please refer to the official Siemens resources.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":45187858628661,"sku":"3SK1211-1BB40","price":232.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/7263\/6213\/files\/3SK1211-1BB40.webp?v=1777526912","url":"https:\/\/djer6s-ji.myshopify.com\/products\/siemens-3sk1211-1bb40-sirius-safety-relay-output-expansion-module","provider":"PLCReadyparts","version":"1.0","type":"link"}