Enclosed AC-DC switching single output power source with single output and DC-DC converter. Universal AC input / Full range. Battery low protections. With power LED indicator and overloading protection, short-circuit and over voltage. DC voltage output on channel 1: 48 VDC - 2.9 Amp current intensity. Channel 2: 5 VDC - 3 Amp. Cooling by free air convection. Fixed switching frequency at PFC 67 KHz and PWM 134 KHz. Output rated power: 154.2 W.