AC-DC enclosed quad output switching power source. Universal AC input / Full range. Four output DC voltage channels, simultaneously. Channel 1: 5 VDC - 3 Amp. Channel 2: 12 VDC - 0.9 Amp. Channel 3: 24 VDC - 0.9 Amp. Channel 4: -12 VDC - 0.5 Amp. With power LED indicator and overloading protection, short-circuit, voltage (Withstand 300VAC surge input for 5 second) and temperature saturation (High operating temperature up to 70º C, 105º C long life electrolytic capacitors). Cooling by free air convection. Output rated power: 53.4 W.