Weidmueller VPU AC II US 3+1 R 240/50

The VPU AC II US 3+1 R 240/50 is a voltage protection unit designed for AC systems. "II" indicates Class II surge protection, while "US" likely refers to a specific standard or geographical application, such as for use in the United States. "3+1" means protection for three phases plus neutral. "R" denotes a reset function. "240" represents the voltage rating, and "50" signifies the current rating. "Y" may indicate a specific feature or configuration, such as a grounding or protective function. This unit is ideal for providing reliable surge protection in industrial or commercial settings.