Allen-Bradley 1771-A4B

The Allen-Bradley 1771-A4B universal I/O chassis is expertly crafted for the 1771 Programmable Logic Controller family, featuring an impressive sixteen I/O slots that enhance power distribution through its integrated backplane. This reliable chassis is designed for challenging industrial environments, functioning optimally within a temperature range of 32 to 140 degrees Fahrenheit and accommodating relative humidity levels as high as 95% noncondensing. With versatile power configuration options available, users are ensured efficient performance, though it is important to avoid simultaneous use of both an external power supply and a power supply module to maintain functionality. The chassis offers a robust open-style enclosure for easy mounting and a durable design that stands up to a variety of operational conditions.