{"product_id":"siemens-3sk1211-2bb40-sirius-safety-expansion-module","title":"Siemens 3SK1211-2BB40","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3SK1211-2BB40 SIRIUS Safety Relay Output Expansion Module is engineered to elevate the safety functionality of industrial control systems. This robust module provides crucial expansion capabilities, equipped with four Normally Open (NO) relay enabling circuits and one Normally Closed (NC) signaling contact. Designed for seamless integration, it operates efficiently on a 24 V DC power supply, making it ideal for a wide range of industrial applications. Its compact form factor, measuring just 22.5 mm in width, ensures optimal space utilization within control panels, while spring-type push-in terminals simplify and accelerate the installation process. The 3SK1211-2BB40 is a vital component for enhancing operational safety and compliance with stringent international standards such as IEC 61508 (SIL 3) and ISO 13849-1 (PL e).\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Safety Expansion:\u003c\/strong\u003e Four Normally Open (NO) relay enabling circuits significantly extend the capacity and flexibility of existing safety control systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Signaling:\u003c\/strong\u003e Includes one Normally Closed (NC) signaling contact for comprehensive status monitoring and diagnostics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Switching Performance:\u003c\/strong\u003e Each NO contact is rated for up to 5 A at 230 V AC, ensuring robust and dependable operation across various industrial loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpace-Saving Design:\u003c\/strong\u003e Ultra-compact 22.5 mm width optimizes panel space, allowing for more efficient control system layouts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffortless Installation:\u003c\/strong\u003e Innovative spring-type push-in terminals facilitate quick, secure, and tool-free wiring, reducing installation time and complexity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Temperature Range:\u003c\/strong\u003e Guarantees reliable performance in demanding environments, operating flawlessly from -25°C to +60°C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertified Safety Compliance:\u003c\/strong\u003e Adheres to leading safety standards, including IEC 61508 (SIL 3) and ISO 13849-1 (PL e), ensuring maximum protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Safety Relay Output Expansion Module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3SK1211-2BB40\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Outputs:\u003c\/strong\u003e 4 NO relay enabling circuits, 1 NC signaling 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\u003eOutput Current Rating:\u003c\/strong\u003e 5 A at 230 V AC (AC-15)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Spring-type push-in terminals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 22.5 mm x 100 mm x 121.6 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN rail mounting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP20\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards Compliance:\u003c\/strong\u003e IEC 61508 (SIL 3), ISO 138449-1 (PL e)\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 Crucial for expanding safety circuits in complex automated machinery and production lines, ensuring operator and equipment protection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProcess Control Environments:\u003c\/strong\u003e Enhances the safety integrity levels in chemical, pharmaceutical, and energy sectors by reliably governing critical processes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Handling \u0026amp; Logistics:\u003c\/strong\u003e Provides essential safety interlocking for conveyors, automated guided vehicles (AGVs), hoists, and other material transport systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaging \u0026amp; Assembly Machinery:\u003c\/strong\u003e Integrates seamlessly into high-speed packaging and assembly lines to maintain strict safety protocols during operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobotics \u0026amp; Manufacturing:\u003c\/strong\u003e Supports the safe operation of robotic cells and flexible manufacturing systems by providing dependable safety output expansion.\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\u003eUncompromised Safety:\u003c\/strong\u003e Achieve the highest safety integrity levels (SIL 3, PL e) for critical industrial applications, minimizing risks and ensuring compliance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSiemens Reliability:\u003c\/strong\u003e Benefit from the renowned quality and engineering excellence of SIEMENS, a global leader in industrial automation and safety.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced System Agility:\u003c\/strong\u003e Easily expand your existing safety control systems without extensive re-engineering, saving time and resources.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Footprint:\u003c\/strong\u003e Its slender design allows for greater component density in control cabinets, making the most of valuable panel space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimplified Wiring:\u003c\/strong\u003e The innovative push-in terminal technology reduces wiring errors and maintenance time, leading to lower operational costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOrder Now\u003c\/h2\u003e\n\u003cp\u003eElevate your industrial safety standards with the Siemens 3SK1211-2BB40 SIRIUS Safety Relay Output Expansion Module. Designed for performance, reliability, and ease of integration, this module is an indispensable addition to any modern safety-conscious operation. Invest in superior protection and efficiency for your machinery and personnel. Contact us today to place your order or request further product information!\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":45187858661429,"sku":"3SK1211-2BB40","price":586.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/7263\/6213\/files\/3SK1211-2BB40.webp?v=1777526913","url":"https:\/\/djer6s-ji.myshopify.com\/products\/siemens-3sk1211-2bb40-sirius-safety-expansion-module","provider":"PLCReadyparts","version":"1.0","type":"link"}