The RT-50C is a 50W AC/DC Enclosed switching power supply featuring Constant voltage mode output for 3 channels. RT-50C has 2 input voltage operation ranges selected by a switch from 88 to 132VAC and 176 to 264VAC. Voltage output is adjustable for channel 1 from 4.75 to 5.5V and output current range from .5 to 5A- .2 to 2A-.1 to 1A for 3 channels with rated currents of 4A-1.5A-.5A. Thanks to the high efficiency up to 78%, it is able of operating from -25 to +70 ℃ case temperature under free air convection. RT-50C uses a LED indicator for power on with all channels using 105°C long life electrolytic capacitors makes it withstands 5G vibration test. The RT-50C has a 3 years factory warranty.