Key Specification ■  Features: International universal full range AC input Free air convection Constant design 100% full aging Protection type: short circuit/overload Switching operation frequency: 60HZ Led power guiding light High efficiency、long life 2 years warranty Output DC voltage Rated current Current range Rated power Ripple wave and noise, remark(2) Voltage adjustment range Voltage accuracy Line regulation Load regulation 28V 7.14A 0~7.14A 200W 200mVp-p 25.2~30.8V ±1.0% ±0.5% ±1.0% Start up time 100ms/115VAC   100ms/230VAC(When full load) Hold up time(Typ) 15ms/115VAC    15ms/230VAC(When full load) Input Voltage range Frequency range Power factory(Typ) Efficiency(Typ) Alternating current(Typ) Inrush current(Typ) Leakage current 100-240VAC 47-63KHZ PF≧0.98/115VAC   PF≧0.95/230VAC(When full load) 90% 2.5A/115VAC   1.2A/230VAC 35A/115VAC    65A/230VAC ﹤3.5mA/230VAC Protection Overload Rate output power of 130%~180% Protection mode: hiccup mode, after abnormal condition removed can recovery automatically. short circuit Protection mode: hiccup mode, after abnormal condition removed can restore automatically. Environment Working temp. Working humidity Storage temp., humidity Temp. coefficient    -10~70℃ 20~90%RH, no condensation  -40~85℃, 10~95%RH ±0.05%/℃(0~50℃)   Safety withstand I/P-O/P:3KVAC  I/P-FG:1.5KVAC  O/P-FG:0.5KVAC Insulation resistance I/P-O/P,I/P-FG,O/P-FG:100M Ohms/500VDC/25℃/70%RH Size Size 127*88*34mm(L*W*H) Packing 0.42kg;12PCS/5.5kg Remark 1,Unless special note, all the specification parameter output is 230VAC, rated load, 25℃ ambient temp. test. 2, Ripple and noise measurement methods: Under 20MHZ bandwidth to test by using one 12” twisted pair and the end should parallel 0.1uf and 47uf capacitor at the same time.