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Siemens 3SK1211-1BB40

by Siemens

OverviewThe Siemens 3SK1211-1BB40 is an essential component designed to enhance industrial safety systems. This output expansion module, part of the SIRIUS safety relay series, significantly extends the capabilities of safety-related circuits by adding extra relay enabling circuits. It includes four normally open (NO) contacts for critical safety functions and one normally closed (NC) contact for signaling, ensuring comprehensive monitoring and control within your operational environment. Operating at a stable 24 V DC control supply voltage, this module ensures consistent performance. Secure screw terminals facilitate straightforward and dependable wiring, making the Siemens 3SK1211-1BB40 an indispensable asset for robust and compliant safety solutions.Key Features Enhanced Safety Expansion: Offers 4 normally open (NO) contacts for expanding critical safety circuits. Dedicated Signaling: Includes 1 normally closed (NC) contact for clear operational status and signaling. Optimal Control Voltage: Functions efficiently with a 24 V DC control supply for stable output. Secure Connectivity: Equipped with robust screw terminals for reliable and secure wiring. Versatile Application: Suitable for a wide range of safety circuits, increasing system flexibility. Configurable Operation: Provides options for either immediate or delayed operation based on specific needs. Industrial Durability: Constructed to withstand demanding industrial environments, ensuring long-term dependability. Technical SpecificationsThe Siemens 3SK1211-1BB40 output expansion module offers impressive technical specifications tailored for industrial use: Product Type: Safety Relay Output Expansion Part Number: 3SK1211-1BB40 Insulation Voltage: 300 V Degree of Pollution: 3 Overvoltage Category: III Surge Voltage Resistance: 4,000 V Protection Class: IP20 Shock Resistance: 10g / 11 ms Vibration Resistance: 5 to 500 Hz, 0.75 mm Maximum Operating Frequency: 360 operations per hour Mechanical Service Life: Approximately 10 million operating cycles Thermal Current (Ith): 5 A Ambient Operating Temperature: -25°C to +60°C Dimensions (H x W x D): 100 mm x 22.5 mm x 121.6 mm Weight: Approximately 0.224 kg Safety Standards Compliance: IEC 62061 (SIL): SIL 3 ISO 13849-1 (PL): PL e, Category 4 IEC 61508 (SIL): SIL 3 Applications Industrial Automation Systems: Significantly boosts existing safety circuits by providing dependable additional relay outputs for intricate automation functions. Machine Safety Systems: Ideal for expanding safety relay outputs in various machinery, addressing applications requiring multiple safety-related switching contacts to protect operators and equipment. Process Control Environments: An excellent choice for applications in process control that require reliable safety relay expansions to maintain operational safety and comply with regulations. Emergency Stop Circuits: Can be seamlessly integrated into complex emergency stop systems to efficiently manage numerous shutdown sequences or signals. Robotics Safety: Essential for extending safety functionality in robotic work cells, integrating with safety PLCs to manage various safety zones and mechanisms. Why Choose This Model?Unmatched Reliability: Siemens, a global leader in industrial automation, ensures the 3SK1211-1BB40 lives up to its reputation with a robust design and adherence to stringent safety standards.Seamless Integration: As a component of the SIRIUS family, it guarantees effortless compatibility with existing Siemens safety relay systems, simplifying your setup.Compliance and Assurance: Meets crucial safety standards such as SIL 3 (IEC 62061 and IEC 61508) and PL e, Category 4 (ISO 13849-1), providing peace of mind and regulatory compliance.Order NowEnhance your safety systems today with the Siemens 3SK1211-1BB40. Contact us for pricing and availability.FAQWhat is the primary function of the Siemens 3SK1211-1BB40?Its primary function is to expand safety-related circuits by adding relay enabling outputs, thereby increasing the functional scope and reliability of industrial safety systems.How many safety contacts does this module provide?It provides four normally open (NO) contacts for critical safety functions and one normally closed (NC) contact for signaling purposes.What control voltage is required for the 3SK1211-1BB40?The module operates efficiently on a 24 V DC control supply voltage.Is this module suitable for harsh industrial environments?Yes, it is engineered for industrial durability and built to withstand harsh conditions, ensuring long-term reliability.What safety standards does the Siemens 3SK1211-1BB40 comply with?It complies with key safety standards including IEC 62061 (SIL 3), ISO 13849-1 (PL e, Category 4), and IEC 61508 (SIL 3).

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