Mitsubishi FX3U-32MR-UA1 PLC Main Unit for FX3U Series

The Mitsubishi FX3U-32MR-UA1 (FX3U-32MR-UA1) is a compact programmable logic controller main processing unit designed for the MELSEC FX3U series. Engineered for complex automation and machinery control, this base unit integrates 32 total input and output points, featuring 16 AC inputs rated for 100 to 120 V AC and 16 relay outputs capable of switching AC or DC loads. Operating on an integrated 100 to 240 V AC power supply, the controller delivers high-speed program execution and robust logic processing for manufacturing systems, packaging lines, material handling equipment, and assembly cells. The FX3U-32MR-UA1 supports system scalability through compatibility with the full ecosystem of FX series expansion modules, including analog input/output modules, temperature control units, and serial communication adapters. The relay outputs provide electrical isolation between field equipment and internal logic, ensuring dependable performance in demanding industrial environments. Ideal for direct replacement, retrofits, and scheduled maintenance, this PLC unit allows engineers to maintain existing machine architectures without modifying installed field wiring.