Available. The Mitsubishi Electric Q38B is a main base unit designed for the MELSEC-Q Series programmable logic controllers (PLCs). It features eight slots for I/O modules and one slot for a power supply module, facilitating the assembly of modular PLC systems in industrial automation applications. The unit measures 328 mm in width, 98 mm in height, and 44.1 mm in depth, with a weight of 0.36 kg. It supports DIN rail mounting, with the Q6DIN1 adapter available separately. The Q38B is UL, cUL, and CE certified, ensuring compliance with international standards. It is suitable for use in various industrial environments, including conveyors, packaging machines, and assembly lines, providing a reliable foundation for control systems.