Weidmueller VPU AC I 1+1 300/12.5

The VPU AC I 1+1 300/12.5 is likely a voltage protection unit designed for AC systems. The "1+1" could indicate a dual configuration, possibly offering redundancy or additional protection. "300" may refer to the power or voltage capacity, while "12.5" could represent an operational rating, such as current. This unit is used in industrial or electrical applications to protect against voltage surges.