The SE-450-48 is a 451.2W AC/DC Enclosed switching power supply featuring Constant voltage mode output for single channel. SE-450-48 has 2 input voltage ranges selected by switch one from 90 to 132VAC and the other from 180 to 264 VAC. Voltage output is 48VDC and adjustable from 43.2 to 52.8V at rated current output 9.4A. Thanks to the high efficiency up to 88%, it is able of operating from -10 to +60 °C case temperature with forced air cooling by built-in DC ball bearing fan. SE-450-48 has built-in remote sense function with LED indicator for power on. The SE-450-48 has a 2 years factory warranty.