dps - 120ab - 3 input voltage range 90 ~264 vac auto range frequency 47~63hz efficiency the average efficiency at 25%, 50%, 75% and 100% load/115vac 60hz/230vac 50hz ? 88% input current 100vac /12v/2a load ? 2a 240vac /12v/2a load ? 1a output 24vdc 0a ~ 5a protection over - current latch - off over - temperature latch - off short latch - off over - voltage latch - off environment operating temp. 0 to 40 storage temp. - 20 to 80 operating humidity 20% - 80% storage humidity 10% - 90 % features ? total power 120w, peak 192w for 4sec. ? efficiency mee t doe level ? high reliability 100,000 hours @ 25 ,100v ac/maximum l oad ? protection short / over - current / over - voltage /over - temperature ? safety ce/fcc/tuv/ul/cul/cb/ccc/bsmi/nom/c - tick/ kc/meps/ nrcan / pse ? emi class b 85 (w) x 40 (h) x 170 (l) mm
size the de - rating curve of ambient temperature shown as fig.1 . fig.1 ambient temperature to power de - rating curve
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