Input Voltage: 48V nominal, Input range: 40V to 60V ; Output Voltage: DC 12V 20A 240W. High conversion efficiency, Maximum Efficiency:95%; Ripple Wave: 50Mv; Starting delay time:2S. Over-current /Over-load /Low-load /Short-circuit /Over-heat intelligent protection. Compact aluminium shell with epoxy potting, 100% waterproof, anti-dust, anti-shock protection and better heat dissipation. Widely used to golf cart, motor, speaker, GPS, LED car display screen, air-conditioner, electric fan, solar energy, photo-voltaic power, DVD, industrial equipment ect.