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Allen-Bradley 156-B20AB1


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All Parts Come with 12 Month Warranty

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Warranty Information

All products (new, surplus, and refurbished) are covered by Chief Automation's 1 Year Warranty. The Manufacturer's Warranty does NOT apply.

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Product Specifications

brand name Allen-Bradley

The part number 156-B20AB1 is a single-phase solid-state contactor designed by Allen-Bradley, a well-known brand in the automation industry. This product is designed to control electrical circuits reliably and efficiently. Here's a detailed overview of its technical specifications, user manuals, troubleshooting, programming, and installation:

Technical Specifications

The 156-B20AB1 contactor operates at a maximum line voltage of 230V AC and a control voltage of 5-24V DC. It has a current rating of 20 amps and is designed for single-phase applications. The product is designed to withstand temperatures up to 40°C (104°F) and is suitable for use in a variety of industrial settings.

User Manuals and Documentation

For detailed technical specifications and installation instructions, users can refer to the product catalog or the Technical Documentation Center on the Rockwell Automation website. Additionally, the product manual, technical data sheet, and other relevant documentation are available through the Technical Documentation Center.

Troubleshooting and Error Codes

Troubleshooting and error codes for the 156-B20AB1 contactor are not explicitly mentioned in our research. However, users can refer to the product manual and technical data sheet for troubleshooting guidance or contact the manufacturer's support team for assistance.


The 156-B20AB1 contactor is designed to be used as a standard solid-state contactor, and it does not require programming. It is intended for use in industrial automation systems where reliable and efficient circuit control is necessary.


The installation of the 156-B20AB1 contactor typically involves connecting the coil to the control voltage source and the contacts to the line voltage circuit. The product manual and technical data sheet should be consulted for specific installation instructions and any necessary precautions. Additionally, the product is designed to be compatible with a range of industrial automation systems, making it easy to integrate into existing systems.

Overall, the 156-B20AB1 contactor is a reliable and efficient solid-state contactor designed for use in industrial automation systems. Its technical specifications, user manuals, and documentation are available through the manufacturer's website, and it is suitable for use in a variety of applications where reliable circuit control is necessary.

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