Siemens 6ES7400-2JA00-0AA0 Programmable Logic Controller

Siemens SIMATIC S7-400H UR2-H rack, 6ES7400-2JA00-0AA0, is a central and distributed mounting frame for S7-400H systems featuring two independent segments of nine slots each, for a total of 18 slots. It provides two separate backplanes for Bus K and Bus P, enabling modular, scalable configurations that accommodate CPUs, I/O modules, and communication cards within a single chassis. The enclosure measures 482.5 mm in width, 290 mm in height, and 27.5 mm in depth and weighs approximately 4.1 kg, with an operating ambient temperature range of 0 to 60 °C and storage/transport temperature range up to 70 °C. It carries international certifications including CE, UL, FM, RCM (formerly C-TICK), KC, EAC, and CCC, reflecting broad compliance for industrial environments. This UR2-H rack is designed for high-density SIMATIC S7-400H installations, offering flexible central and distributed deployment where space, organization of backplanes, and reliable bus separation are essential for robust control architectures.