... 24v DC 20W power supply ultra thin (Model)(Specification )FST-20-3.3FST-20-5FST-20-12FST-20-15FST-20 ... : auto recoveryOver-voltage protection…………High-temperature protection…………Temperature coefficient±0.03%/°CSetup, rise, hold up time1s,100ms,50msVibration10~500Hz, 2G ... UL60950,EN60950EMC standardsAccording to GB9254 EN55022 EN55024 A level design. FST-20 series 12v 24v DC 20W power supply ultra thin