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

The VPU AC I 1+1 R 275/25 LCF MB  is a voltage protection unit for AC systems, providing single-phase protection ("1"). "R" suggests a reset function, "275" refers to the voltage capacity, and "25" indicates 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 another specialized feature. This unit is designed to protect electrical equipment from voltage surges and fluctuations, commonly used in industrial and commercial settings for enhanced protection and reliability.