Siemens 3TK2821-1CB30

Overview

The 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.

Key Features

• Optimal Contact Configuration: Features 3 Normally Open (NO) and 1 Normally Closed (NC) contacts, providing unparalleled flexibility for diverse safety circuit designs and complex control requirements.
• Universal 24V DC Compatibility: Designed for seamless integration, its 24V DC operating voltage ensures broad compatibility with standard industrial control systems and power supplies.
• Unwavering Fail-Safe Operation: Guarantees superior safety functionality, offering dependable and rapid response for emergency stop applications and critical safety interlocks.
• Space-Saving Modular Design: Engineered for efficiency, its compact and modular form factor allows for effortless integration and optimization within industrial control panels, minimizing footprint.
• Exceptional Durability and Performance: Constructed with high-quality materials, this relay is built for continuous, high-performance operation in the most rigorous and demanding industrial environments.
• Compliance with Global Standards: Adheres to leading international safety and automation standards, providing assurance of regulatory compliance and operational excellence.
• Enhanced Diagnostic Capabilities: Designed to provide clear status indications, aiding in quicker troubleshooting and maintenance, thus reducing downtime.

Technical Specifications

• Product Type: SIRIUS Safety Relay
• Part Number: 3TK2821-1CB30
• Brand: Siemens
• Operating Voltage: 24V DC
• Contacts: 3 Normally Open (NO) + 1 Normally Closed (NC)
• Mounting Type: DIN Rail
• Operating Temperature: -25°C to +60°C (typical, refer to datasheet for exact range)
• Protection Class: IP20 (terminal), IP40 (enclosure)
• Application: Emergency stop monitoring, safety interlock control, light curtain integration
• Compliance: Meets international safety and automation standards (e.g., IEC 60947-5-1, EN ISO 13849-1)

Applications

• Emergency Stop Systems: Provides a critical and reliable interface for initiating immediate and safe shutdown of machinery in hazardous situations, protecting operators.
• Safety Gate Monitoring: Ensures secure access control for machine enclosures and protective zones, preventing operation when safety gates are open or compromised.
• Light Curtain Integration: Facilitates robust contact-based safety circuit implementation for light curtains, allowing for automated and safe process interruption upon detection.
• Two-Hand Control Applications: Essential for circuits requiring simultaneous activation from two distinct points, enhancing operator safety during dangerous machine operations.
• Hydraulic and Pneumatic Press Control: Integrates seamlessly to manage safe operating conditions for presses, reducing the risk of accidents during critical cycles.
• Robotics Safety Circuits: Crucial for ensuring that robotic systems operate within safe parameters, providing rapid response to unexpected events or intrusions into work cells.

Why Choose This Model?

• Unrivaled Siemens Quality: Benefit from the renowned engineering excellence and reliability synonymous with the Siemens brand, a global leader in industrial automation.
• Enhanced Operational Safety: This relay is specifically designed to provide fail-safe protection, significantly reducing the risk of industrial accidents and ensuring compliance with stringent safety regulations.
• Seamless System Integration: Its 24V DC operating voltage and standard DIN rail mounting allow for quick, hassle-free integration into existing or new industrial control panels.
• Versatile Application Scope: From emergency stops to complex interlock systems, its flexible contact configuration makes it suitable for a wide array of critical safety applications.
• Long-Term Reliability: Built for durability in harsh industrial settings, ensuring sustained performance and a longer operational lifespan, minimizing maintenance and replacement costs.
• Peace of Mind Compliance: 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.

Order Now

Elevate 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.