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-A3B1 is a versatile I/O chassis designed for the 1771 PLC-5 system, providing essential modular support for power supplies, processors, and various I/O and specialty modules. Featuring 12 slots, the chassis ensures efficient communication via its integrated backplane and offers a robust power supply output of 8A at 5V DC. Built for industrial environments, it supports operational temperatures from 0 to 60°C and withstands up to 30g shock, making it ideal for rigorous applications while allowing easy expansion through larger chassis replacement.