Weidmueller VPU AC I 3+1 R 255/12.5 LCF MB

The VPU AC I 3+1 255/12.5 LCF MB is a voltage protection unit for AC systems, providing three-phase plus neutral protection ("3+1"). "255" refers to the voltage capacity, and "12.5" denotes the current rating or another key operational parameter. "LCF" likely stands for low-frequency protection or load current filtering. "MB" may refer to motor protection or a specific feature for particular applications. This unit is designed to safeguard electrical equipment from voltage surges and fluctuations, often used in industrial and commercial settings for enhanced protection and reliability.