Weidmueller VPU PV I+II 5 1000

The VPU PV I+II 3 1000 E is a voltage protection unit for photovoltaic (PV) systems. "I+II" indicates dual protection types, "3" refers to three-phase protection, and "1000" is the voltage rating. "E" likely refers to an environmental or additional feature specific to the unit. This unit is designed to protect photovoltaic systems from voltage surges and fluctuations, ensuring the safety and reliability of solar power equipment.