Weidmueller VPU AC II US 0 277/50

The VPU AC II US 0 240/50 Y is a voltage protection unit for AC systems. "II" indicates Class II surge protection, and "US" likely refers to compliance with U.S. standards or suitability for the U.S. market. "0" may indicate protection for a single circuit or a specialized configuration. "240" represents the voltage rating, and "50" denotes the current rating. "Y" may refer to a specific feature or function, such as grounding or a monitoring option. This unit is designed to protect electrical equipment from voltage surges and fluctuations in a variety of applications.