Available. The Mitsubishi A68B is an 8-slot base unit designed for the MELSEC-A series programmable logic controllers (PLCs). Manufactured by Mitsubishi Electric, this base unit facilitates the expansion of PLC systems, allowing integration of additional I/O modules to meet complex automation requirements. Key features include a compact design with external dimensions of 250 mm in width, 466 mm in height, and 46.6 mm in depth, and a weight of 2.0 kg. It supports the mounting of up to eight I/O modules and is compatible with MELSEC-A series power supply modules. The A68B operates with an internal current consumption of 0.12 A at 5 V DC. This base unit is suitable for various industrial applications where system scalability and flexibility are essential. Please note that the A68B has been discontinued, and repair support is available until June 30, 2025, as per Mitsubishi Electric's technical bulletin FA-A-0254-A.