Weidmueller PVN DC 3I 3O 2MPP SW SPD1R WM4 11

The PVN DC 3I 3O 2MPP SW SPD1R WM4 11 is an industrial device. "PVN" refers to the product series, "DC" indicates direct current, "3I" denotes three inputs, "3O" represents three outputs, and "2MPP" likely refers to dual multi-pole protection. "SW" may indicate a switch function, "SPD1R" represents surge protection, "WM4" could refer to a specific wiring or mounting configuration, and "11" likely denotes the model or revision number.