ABB CA5-31N 1SBN010040R1231 auxiliary contact block

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ABB CA5-31N 1SBN010040R1231 Auxiliary Contact Block Product Documentation

1. Product Description
The ABB CA5-31N 1SBN010040R1231 is an auxiliary contact block, part of ABB's CA5 series of contactor accessories. Designed to extend the auxiliary control functions of contactors, it provides additional normally open or closed contacts for signal indication, control circuit interlocking, or status monitoring. It features a modular design that can be easily mounted onto ABB A-series contactors (e.g., A9 to A110), making it suitable for various industrial automation and electrical control application.

2. Detailed Parameters

3. Product Advantages and Features
3.1 High Reliability Design: Mechanical life of up to 10 million cycles and a switching frequency rating of 3,600 cycles per hour support long-term frequent operation without failure risk, ensuring stable performance in harsh industrial environments.
3.2 Energy Efficient: Low power consumption of only 0.1W enables energy-saving operation and reduces system operating costs.
3.3 Flexible Installation: Supports front mounting or side vertical mounting, allowing easy attachment to compatible ABB A-series contactors (A9 to A110) without additional tools, simplifying the installation process.
3.4 Excellent Electrical Performance: Wide rated operational voltage range (24V to 690V AC) and rated current of 6A make it suitable for various control circuit and signal circuit needs.
3.5 Lightweight Construction: Weighs only 0.014kg, reducing mechanical stress on the contactor while maintaining robust and durable characteristics.
3.6 Secure Connection: Uses screw terminals to ensure reliable connections and stable signal transmission, minimizing the risk of loosening.

4. Application Fields
4.1 Industrial Automation: Used to monitor the operational status of contactors; when it senses a change in the main contactor's contact position, it transmits signals to notify the control system, suitable for production line automation control.
4.2 Electrical Engineering: Provides additional control contacts in power distribution systems and control cabinets for signal indication and circuit interlocking.
4.3 Robotic Systems: Integrated into robotic control units to provide status feedback and safety control.
4.4 Agricultural Equipment: Used in electrical control systems of agricultural machinery to ensure reliable operational status monitoring.
4.5 Control Panels: Serves as a component of control panels, providing user interface and system status indication.

5. Precautions
5.1 Compatibility Verification: This auxiliary contact block is only suitable for use with ABB A-series contactors (A9 to A110); verify compatibility with existing contactors before installation.
5.2 Installation Specifications: Follow the manufacturer's guidelines for front or side vertical mounting to ensure secure installation and avoid loosening due to vibration.
5.3 Electrical Parameters: Ensure the operating voltage and current do not exceed rated values (6A, 24-690V AC) to prevent contact damage from overload.
5.4 Environmental Conditions: Although designed for durability, avoid exposure to excessive dust, corrosive gases, or extreme humidity to extend service life.
5.5 Maintenance Inspection: Regularly inspect contact status and connection tightness; its high mechanical life (10 million cycles) allows for reduced maintenance frequency in frequently operated applications.
5.6 Safe Operation: Always disconnect power before installation and maintenance to prevent electric shock risks; for safety-critical applications, redundant design is recommended.

The structure and details of the product：

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