Weidmueller VPU AC I 3 R 255/12.5 LCF MB

The VPU AC I 3 R 255/12.5 LCF MB  is a voltage protection unit for AC systems. It features dual-stage protection ("1+1") for added security. "R" indicates a reset function, "255" refers to the voltage capacity, and "12.5" likely denotes the current rating or another operational parameter. "LCF" could stand for low-frequency protection or load current filtering. "MB" might indicate a specific feature such as motor protection or a specialized function for certain applications. This unit is designed to protect electrical equipment from voltage surges or fluctuations, often used in industrial and commercial environments.