The P05090721R is a power supply unit manufactured by Italtronic. It is part of the company's ProEvo 50W industrial-grade AC-DC series, which are designed to provide a reliable, high efficiency power source. The P05090721R is a single output, 12 Volt, 5 Amp AC-DC switching power supply. It features a 100-240VAC input voltage range, active power factor correction and is certified to UL, cUL, IEC and CE safety standards. The P05090721R also has overvoltage, overload, and short circuit protection, as well as ±5% voltage accuracy.