Weidmueller VPU ZPA S I 3 R 300/7,5

The VPU ZPA S I 3 R 300/7,5  is a voltage protection unit for AC systems. "II" indicates the protection type, "0" refers to no-phase protection, and "600V" is the voltage rating. It can handle surge currents up to 25kA, offering protection against voltage surges and fluctuations in electrical equipment and systems.