Industrial Automation Co. is NOT an Authorized Rockwell Distributor - we have our own unique inventory and sourcing relationships. Review our Reseller notice, here.

The Allen-Bradley 1771-A4B is a robust universal I/O chassis designed for the 1771 PLC family, boasting sixteen I/O slots that facilitate efficient power distribution through its integrated backplane, and includes hinges for field wiring arms. It operates effectively in industrial environments within a temperature range of 0 to 60 degrees Celsius and tolerates relative humidity from 5% to 95%, underscoring its versatility and resilience. Offering seamless power integration with 1771 processors and power modules, this chassis supports easy installation using the back-panel mounting method, ensuring flexibility and optimization for future expansion with its comprehensive range of digital, analog, and intelligent I/O modules equipped with convenience features such as status indicators and wiring arms for straightforward maintenance.