Siemens 3SK1211-2BB40

Overview

The 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).

Key Features

• Advanced Safety Expansion: Four Normally Open (NO) relay enabling circuits significantly extend the capacity and flexibility of existing safety control systems.
• Reliable Signaling: Includes one Normally Closed (NC) signaling contact for comprehensive status monitoring and diagnostics.
• High Switching Performance: Each NO contact is rated for up to 5 A at 230 V AC, ensuring robust and dependable operation across various industrial loads.
• Space-Saving Design: Ultra-compact 22.5 mm width optimizes panel space, allowing for more efficient control system layouts.
• Effortless Installation: Innovative spring-type push-in terminals facilitate quick, secure, and tool-free wiring, reducing installation time and complexity.
• Broad Temperature Range: Guarantees reliable performance in demanding environments, operating flawlessly from -25°C to +60°C.
• Certified Safety Compliance: Adheres to leading safety standards, including IEC 61508 (SIL 3) and ISO 13849-1 (PL e), ensuring maximum protection.

Technical Specifications

• Product Type: Safety Relay Output Expansion Module
• Part Number: 3SK1211-2BB40
• Number of Outputs: 4 NO relay enabling circuits, 1 NC signaling contact
• Control Supply Voltage: 24 V DC
• Output Current Rating: 5 A at 230 V AC (AC-15)
• Connection Type: Spring-type push-in terminals
• Dimensions (W x H x D): 22.5 mm x 100 mm x 121.6 mm
• Mounting: DIN rail mounting
• Protection Rating: IP20
• Standards Compliance: IEC 61508 (SIL 3), ISO 138449-1 (PL e)

Applications

• Industrial Automation Systems: Crucial for expanding safety circuits in complex automated machinery and production lines, ensuring operator and equipment protection.
• Process Control Environments: Enhances the safety integrity levels in chemical, pharmaceutical, and energy sectors by reliably governing critical processes.
• Material Handling & Logistics: Provides essential safety interlocking for conveyors, automated guided vehicles (AGVs), hoists, and other material transport systems.
• Packaging & Assembly Machinery: Integrates seamlessly into high-speed packaging and assembly lines to maintain strict safety protocols during operation.
• Robotics & Manufacturing: Supports the safe operation of robotic cells and flexible manufacturing systems by providing dependable safety output expansion.

Why Choose This Model?

• Uncompromised Safety: Achieve the highest safety integrity levels (SIL 3, PL e) for critical industrial applications, minimizing risks and ensuring compliance.
• Siemens Reliability: Benefit from the renowned quality and engineering excellence of SIEMENS, a global leader in industrial automation and safety.
• Enhanced System Agility: Easily expand your existing safety control systems without extensive re-engineering, saving time and resources.
• Optimized Footprint: Its slender design allows for greater component density in control cabinets, making the most of valuable panel space.
• Simplified Wiring: The innovative push-in terminal technology reduces wiring errors and maintenance time, leading to lower operational costs.

Order Now

Elevate 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!