PRO TOP3 DIN Rail Power Supplies Weidmuller PRO TOP3 DIN Rail Power Supplies are three-phase AC voltage-type devices with output power of 120W, 240W, 480W, or 960W. The PRO TOP3 series combines superior performance data with sustainability to improve the overall efficiency of production facilities. These power supplies offer a long service life and a high mean time between failures (MTBF) of >,1M hours, resulting in increased system availability. The space-saving design also provides high functional density. Weidmuller PRO TOP3 DIN Rail Power Supplies feature 24V or 48V rated output voltage, 5A to 40A nominal output current, and an input voltage range of 320VAC to 575VAC and 450VDC to 800VDC. The series operates in a -25°C to +70°C temperature range.