Weidmueller VPU I 3+1 LCF 280V/12,5KA

The VPU I 3+1 LCF 280V/12.5KA is a voltage protection unit for AC systems. "I" indicates a protection type, "3+1" denotes three-phase plus neutral protection, and "LCF" refers to a specialized feature. It supports 280V and withstands up to 12.5kA surge current, protecting industrial and commercial equipment from voltage surges and fluctuations.