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-HM3A is an industrial-grade CMOS memory cartridge designed specifically for the PLC 5 product line, offering seamless integration with IMC 120 systems. It features a robust 64-kiloword memory capacity supported by a lithium-ion battery with a 3.6V DC voltage rating and 1700 mA current, ensuring reliable power backup. Engineered for industrial applications, this memory cartridge includes a 3-pin connector for easy device integration, supports AMP parameter and MML program storage, and operates efficiently in temperatures ranging from 0 to 60 degrees Celsius and a humidity range of 5 to 95 percent. Additionally, its red LED provides convenient failure indication, and its marine certification underscores its durability in strict environments free of electrostatic discharge.