Weidmueller VPU I 0 LCF 280V/25KA

The VPU I 0 LCF 280V/25KA is a voltage protection unit for AC systems. "I" refers to a specific protection class or type. "0" likely indicates protection for a single circuit or a specialized configuration, potentially without a neutral connection. "400V" represents the voltage rating, and "12.5KA" denotes the surge current rating, meaning the unit can handle up to 12.5 kA of surge current. This unit is designed to protect electrical equipment from voltage surges and fluctuations, offering surge protection in applications that require handling of moderate to high surge currents, typically in industrial or commercial environments.