{"product_id":"siemens-3rh1921-1da11-auxiliary-contact-block-24v-dc-industrial-control","title":"Siemens 3RH1921-1DA11","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3RH1921-1DA11 auxiliary contact block is a vital component for expanding the functionality of industrial control circuits. Engineered to seamlessly integrate with Siemens 3RH and 3RT contactors, this robust and reliable module provides essential signal switching capabilities. It features one normally open (NO) and one normally closed (NC) contact, delivering versatile control options for a wide array of automation and motor control applications. Operating on a 24V DC supply, the 3RH1921-1DA11 is perfectly suited for modern industrial environments demanding precision and dependable performance. Its compact design ensures efficient use of panel space, making it an ideal choice for both new installations and system upgrades.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e1 Normally Open (NO) + 1 Normally Closed (NC) Contact:\u003c\/strong\u003e Provides flexible and comprehensive control for diverse signaling requirements.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e24V DC Operating Voltage:\u003c\/strong\u003e Ensures broad compatibility with standard industrial control systems and power supplies.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eClip-On Design for Siemens 3RH\/3RT Contactors:\u003c\/strong\u003e Facilitates quick, tool-free installation and secure attachment, reducing downtime.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Electrical Lifespan:\u003c\/strong\u003e Engineered for exceptional durability, guaranteeing reliable switching operations over extended periods.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompact and Space-Saving Footprint:\u003c\/strong\u003e Optimized dimensions allow for efficient use of valuable space within control panels and enclosures.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIEC and UL Compliant:\u003c\/strong\u003e Adheres to stringent international safety and performance standards, ensuring peace of mind.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eScrew Connection Terminals:\u003c\/strong\u003e Offers secure and reliable wiring connections for consistent electrical performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Siemens 3RH1921-1DA11\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Auxiliary Contact Block\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eControl Voltage:\u003c\/strong\u003e 24V DC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eContacts:\u003c\/strong\u003e 1 NO + 1 NC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Clip-on for Siemens 3RH and 3RT contactors\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectrical Lifespan:\u003c\/strong\u003e High durability for long-term switching operations\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Screw connection\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -25°C to +60°C\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP20\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 Essential for expanding control logic in automated machinery and processes.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMotor Control Circuits:\u003c\/strong\u003e Provides additional signaling and interlocking capabilities for electric motors.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSignal Transmission and Electrical Isolation:\u003c\/strong\u003e Ideal for reliable signal routing and isolating control circuits from power circuits.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConveyor Systems:\u003c\/strong\u003e Enhances safety and operational control in material handling applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHVAC and Building Automation:\u003c\/strong\u003e Used in supervisory control and data acquisition (SCADA) systems for environmental management.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProcess Control:\u003c\/strong\u003e Integral for monitoring and controlling various stages in industrial processes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the Siemens 3RH1921-1DA11?\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUnmatched Reliability:\u003c\/strong\u003e Built with Siemens' renowned quality, ensuring consistent and dependable operation in demanding industrial environments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced System Flexibility:\u003c\/strong\u003e Easily extends the capabilities of existing contactors and relays, optimizing your control system without extensive overhauls.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEffortless Integration:\u003c\/strong\u003e The intuitive clip-on design allows for rapid and secure installation, minimizing commissioning time and complexity.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpace Efficiency:\u003c\/strong\u003e Its compact form factor is specifically engineered to fit into tight control panels, maximizing available space.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGlobal Compliance:\u003c\/strong\u003e Meeting both IEC and UL standards, this auxiliary contact block is suitable for use in a wide range of international applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCost-Effective Solution:\u003c\/strong\u003e A durable and reliable component that reduces maintenance needs and extends system longevity, providing excellent long-term value.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOrder Now\u003c\/h2\u003e\n\u003cp\u003eElevate the performance and reliability of your industrial control systems with the Siemens 3RH1921-1DA11 Auxiliary Contact Block. Experience the superior engineering and trusted quality that Siemens delivers. Order now to optimize your automation processes and ensure seamless operation with this essential control component.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":45187853549621,"sku":"3RH1921-1DA11","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/7263\/6213\/files\/3RH1921-1DA11.webp?v=1777526669","url":"https:\/\/djer6s-ji.myshopify.com\/products\/siemens-3rh1921-1da11-auxiliary-contact-block-24v-dc-industrial-control","provider":"PLCReadyparts","version":"1.0","type":"link"}