ABB 1SBN010040R1031 Auxiliary contact block

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1. Product Overview

The ABB 1SBN010040R1031 is an Auxiliary Contact Block designed for use in low-voltage electrical control systems to expand signaling and control capabilities of devices such as contactors, circuit breakers, or motor starters. This module adds auxiliary switching contacts that provide signal outputs for remote indication, interlock control, and logic feedback. The 1SBN010040R1031 features fast response, high reliability, and easy installation, making it a common and useful component in industrial automation and electrical control systems.

2. Technical Specifications

• Model: 1SBN010040R1031

• Product Type: Auxiliary Contact Block

• Applicable Devices: Fits ABB contactors, circuit breakers, starters, etc.

• Contact Configuration: 1 Normally Open (NO) + 1 Normally Closed (NC)

• Rated Voltage: AC/DC 400 V

• Rated Current: 5 A (depending on installation and application)

• Mechanical Life: ≥ 1,000,000 operations

• Electrical Life: ≥ 100,000 operations (rated load)

• Operating Temperature: -25 ℃ to +60 ℃

• Degree of Protection: IP20

• Mounting: Direct attach to main device terminals

• Connection: Screw terminal

• Standards: Complies with IEC 60947 series

• Dimensions (Approx.): Compact design for direct device mounting

3. Advantages & Features

1. Enhanced Signal Feedback
   Adds auxiliary normally open and normally closed contacts for logic signal feedback and status indication.

2. High Compatibility
   Suitable for use with multiple ABB contactor, circuit breaker, and starter series for wide device support.

3. Easy Installation
   Compact and direct-mount design enables convenient installation without additional mounting hardware.

4. Reliable Output
   Robust electrical and mechanical life supports frequent switching applications.

5. Industrial-Grade Design
   Can operate in wide temperature ranges and industrial electromagnetic environments for long-term reliability.

6. Versatile Functionality
   Supports remote indication, PLC/DCS input, interlock logic, and other control circuit needs.

4. Application Areas

The ABB 1SBN010040R1031 Auxiliary Contact Block is widely used in:

• Auxiliary signal acquisition for contactors and circuit breakers

• Status input to PLC and DCS systems

• Remote indication and monitoring circuits

• Interlock and chained logic control systems

• Motor control and starter panels

• Industrial automation production line control

• Building electrical and energy management systems

5. Notes & Precautions

1. Disconnect power before installation to ensure safety.

2. The auxiliary contact block must be correctly matched and installed on the main device.

3. Load current and voltage must match the module’s rated specifications to avoid overload.

4. Install in a dry, ventilated environment, avoiding dust, moisture, and corrosive gases.

5. Regularly inspect contact status, terminal connections, and fasteners to ensure stable performance.

6. Installation, commissioning, and maintenance should be carried out by qualified electrical engineers.

7. Avoid long-term use in strong electromagnetic interference environments; shielding measures may be required.