Weidmueller VPU AC I 3+1 R 275/25 LCF MB

The VPU AC I 3+1 R 275/25 LCF MB is a voltage protection unit for AC systems, providing three-phase plus neutral protection ("3+1"). "R" indicates a reset function, "275" refers to the voltage capacity, and "25" represents the current rating or another key operational parameter. "LCF" likely stands for low-frequency protection or load current filtering, while "MB" could indicate motor protection or a specialized feature for specific applications. This unit is designed to safeguard electrical equipment from voltage surges and fluctuations, commonly used in industrial and commercial settings for added protection and reliability.