{"product_id":"siemens-3tk2821-1cb30-sirius-safety-relay-24v-dc-3no-1nc","title":"Siemens 3TK2821-1CB30","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3TK2821-1CB30 SIRIUS Safety Relay is a paramount component for robust industrial safety systems, meticulously engineered to safeguard personnel and machinery. This essential device facilitates critical functions such as secure machine shutdown, precise emergency stop monitoring, and comprehensive safety circuit control within demanding industrial automation environments. Equipped with a versatile configuration of 3 normally open (NO) and 1 normally closed (NC) contacts, it guarantees an uncompromising fail-safe operation, actively preventing accidents and protecting valuable equipment. Operating efficiently at 24V DC, this safety relay seamlessly integrates into diverse safety architectures, ensuring steadfast compliance with stringent international industrial safety standards and regulations. Its intelligent design and reliable performance make it the ideal choice for enhancing operational safety and reducing risks in critical applications.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal Contact Configuration:\u003c\/strong\u003e Features 3 Normally Open (NO) and 1 Normally Closed (NC) contacts, providing unparalleled flexibility for diverse safety circuit designs and complex control requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal 24V DC Compatibility:\u003c\/strong\u003e Designed for seamless integration, its 24V DC operating voltage ensures broad compatibility with standard industrial control systems and power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnwavering Fail-Safe Operation:\u003c\/strong\u003e Guarantees superior safety functionality, offering dependable and rapid response for emergency stop applications and critical safety interlocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving Modular Design:\u003c\/strong\u003e Engineered for efficiency, its compact and modular form factor allows for effortless integration and optimization within industrial control panels, minimizing footprint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Durability and Performance:\u003c\/strong\u003e Constructed with high-quality materials, this relay is built for continuous, high-performance operation in the most rigorous and demanding industrial environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance with Global Standards:\u003c\/strong\u003e Adheres to leading international safety and automation standards, providing assurance of regulatory compliance and operational excellence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Diagnostic Capabilities:\u003c\/strong\u003e Designed to provide clear status indications, aiding in quicker troubleshooting and maintenance, thus reducing downtime.\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 SIRIUS Safety Relay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3TK2821-1CB30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 24V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContacts:\u003c\/strong\u003e 3 Normally Open (NO) + 1 Normally Closed (NC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e DIN Rail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -25°C to +60°C (typical, refer to datasheet for exact range)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP20 (terminal), IP40 (enclosure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Emergency stop monitoring, safety interlock control, light curtain integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e Meets international safety and automation standards (e.g., IEC 60947-5-1, EN ISO 13849-1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency Stop Systems:\u003c\/strong\u003e Provides a critical and reliable interface for initiating immediate and safe shutdown of machinery in hazardous situations, protecting operators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Gate Monitoring:\u003c\/strong\u003e Ensures secure access control for machine enclosures and protective zones, preventing operation when safety gates are open or compromised.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight Curtain Integration:\u003c\/strong\u003e Facilitates robust contact-based safety circuit implementation for light curtains, allowing for automated and safe process interruption upon detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Hand Control Applications:\u003c\/strong\u003e Essential for circuits requiring simultaneous activation from two distinct points, enhancing operator safety during dangerous machine operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic and Pneumatic Press Control:\u003c\/strong\u003e Integrates seamlessly to manage safe operating conditions for presses, reducing the risk of accidents during critical cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobotics Safety Circuits:\u003c\/strong\u003e Crucial for ensuring that robotic systems operate within safe parameters, providing rapid response to unexpected events or intrusions into work cells.\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\u003eUnrivaled Siemens Quality:\u003c\/strong\u003e Benefit from the renowned engineering excellence and reliability synonymous with the Siemens brand, a global leader in industrial automation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Operational Safety:\u003c\/strong\u003e This relay is specifically designed to provide fail-safe protection, significantly reducing the risk of industrial accidents and ensuring compliance with stringent safety regulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless System Integration:\u003c\/strong\u003e Its 24V DC operating voltage and standard DIN rail mounting allow for quick, hassle-free integration into existing or new industrial control panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Application Scope:\u003c\/strong\u003e From emergency stops to complex interlock systems, its flexible contact configuration makes it suitable for a wide array of critical safety applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Term Reliability:\u003c\/strong\u003e Built for durability in harsh industrial settings, ensuring sustained performance and a longer operational lifespan, minimizing maintenance and replacement costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeace of Mind Compliance:\u003c\/strong\u003e With adherence to international safety standards, you can trust that your machinery and operations are fully compliant, avoiding potential penalties and ensuring worker well-being.\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 3TK2821-1CB30 SIRIUS Safety Relay. Invest in a solution that delivers precision, reliability, and unparalleled safety for your most critical operations. Secure your equipment and personnel today by adding this essential component to your automation system. Contact us for competitive pricing and availability, or place your order directly to experience the Siemens difference in industrial safety.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":45187859611701,"sku":"3TK2821-1CB30","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/7263\/6213\/files\/3TK2821-1CB30.webp?v=1777526963","url":"https:\/\/djer6s-ji.myshopify.com\/products\/siemens-3tk2821-1cb30-sirius-safety-relay-24v-dc-3no-1nc","provider":"PLCReadyparts","version":"1.0","type":"link"}