600W Ac/Dc Enclosed Switching Power Supply12Volts @ 50AmpsSpecifications: Size (L X W X H) (Inches): 9.7 X 5.0 X 2.5 Ripple And Noise (Mv P-P): 150 Load Regulation: 0.5% Line Regulation: 0.5% Input: 85-264Vac @ 47-63Hz Switch-Selectable Ac Input Built-In Remote Sense Function Certifications: Ulf.