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Allen-Bradley 1771-A3B I/O chassis, 16-slot, universal backplane, for PLC-5 and 1771 series modules

Allen-Bradley 1771-A3B

SKU: 1771-A3B
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$1,430.00
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Allen-Bradley 1771-A3B

Overview

The Allen-Bradley 1771-A3B is a 16-slot I/O chassis designed for use with 1771-series modules in PLC-5 control systems. It features a universal backplane that supports both discrete and analog I/O modules, as well as specialty modules. The 1771-A3B allows for easy expansion of control capabilities and is ideal for mounting in standard industrial control panels.

Key Features

  • Number of Slots: 16 module slots

  • Backplane Type: Universal (supports both I/O and processor modules)

  • Mounting: Panel mount or enclosure mount

  • Compatibility: Allen-Bradley PLC-5 controllers and 1771 I/O modules

  • Power Supply Location: Separate power supply module required

  • Chassis Type: Standard 1771-series frame

  • Expansion: Can be linked with additional chassis using interconnect cables

  • Mechanical Design: Heavy-duty metal construction for industrial environments

Technical Specifications

  • Catalog Number: 1771-A3B

  • Slots: 16

  • Voltage Isolation: Yes, via isolated backplane segments

  • Power Distribution: Through backplane connector

  • Dimensions: Approx. 20.5 in W × 6.5 in H × 5.5 in D

  • Mounting Style: Horizontal panel mount

  • Ambient Temperature Range: 0°C to 60°C

  • Certifications: UL, CSA, CE

  • Compatible Systems: PLC-5/15, PLC-5/25, PLC-5/40, PLC-5/60, and others

Applications

  • Central control systems using PLC-5 architecture

  • Factory automation with modular I/O needs

  • OEM equipment panels

  • Industrial process and machine control systems

  • Legacy system maintenance and expansion

Why Choose the 1771-A3B

  • High Capacity: 16 slots for flexible I/O configurations

  • System Compatibility: Seamless use with 1771 modules and PLC-5 processors

  • Industrial Grade: Built to withstand tough environments

  • Modular Design: Enables scalable automation architecture

  • Reliable Operation: Proven in long-term industrial use

Order Now

The Allen-Bradley 1771-A3B I/O chassis is available and ships worldwide.

 

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Allen-Bradley 1771-A3B

Overview

The Allen-Bradley 1771-A3B is a 16-slot I/O chassis designed for use with 1771-series modules in PLC-5 control systems. It features a universal backplane that supports both discrete and analog I/O modules, as well as specialty modules. The 1771-A3B allows for easy expansion of control capabilities and is ideal for mounting in standard industrial control panels.

Key Features

  • Number of Slots: 16 module slots

  • Backplane Type: Universal (supports both I/O and processor modules)

  • Mounting: Panel mount or enclosure mount

  • Compatibility: Allen-Bradley PLC-5 controllers and 1771 I/O modules

  • Power Supply Location: Separate power supply module required

  • Chassis Type: Standard 1771-series frame

  • Expansion: Can be linked with additional chassis using interconnect cables

  • Mechanical Design: Heavy-duty metal construction for industrial environments

Technical Specifications

  • Catalog Number: 1771-A3B

  • Slots: 16

  • Voltage Isolation: Yes, via isolated backplane segments

  • Power Distribution: Through backplane connector

  • Dimensions: Approx. 20.5 in W × 6.5 in H × 5.5 in D

  • Mounting Style: Horizontal panel mount

  • Ambient Temperature Range: 0°C to 60°C

  • Certifications: UL, CSA, CE

  • Compatible Systems: PLC-5/15, PLC-5/25, PLC-5/40, PLC-5/60, and others

Applications

  • Central control systems using PLC-5 architecture

  • Factory automation with modular I/O needs

  • OEM equipment panels

  • Industrial process and machine control systems

  • Legacy system maintenance and expansion

Why Choose the 1771-A3B

  • High Capacity: 16 slots for flexible I/O configurations

  • System Compatibility: Seamless use with 1771 modules and PLC-5 processors

  • Industrial Grade: Built to withstand tough environments

  • Modular Design: Enables scalable automation architecture

  • Reliable Operation: Proven in long-term industrial use

Order Now

The Allen-Bradley 1771-A3B I/O chassis is available and ships worldwide.

 

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Allen-Bradley 1771-A3B

Allen-Bradley 1771-A3B

$1,430.00
Add to wishlist
Allen-Bradley 1771-A3B

Allen-Bradley 1771-A3B

Your Price:
$1,430.00
Item Added to Your Cart
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