1.0 INPUT: 1.1 VOLTAGE MINIMUM NOMINAL MAXIMUM UNITS 180 230 260 Vrms 1.2 FREQUENCY 47Hz ~ 63Hz 1.3 CURRENT 230Vac/3Amax. 1.4 INRUSH CURRENT No damage at 250C cold start. 1.5 POWER EFFICIENCY 68% (min.) at full. load, 230Vac input. 1.6 LEAKAGE CURRENT 3.5mA max. 2.0 OUTPUT: Voltage +5V +12V +3.3V / +5Vsb ＊① Max load 19.0A 16.0A 18.0A / 1.5A Min load 0.3A 1A 0.5A / 0.0A Peak load -- 18.0A -- / 2A ＊③ Regulation 5% 5% 5% / 5% ＊② Ripple 50mV 120mV 50mV / 50mV ＊② Ripple & Noise 100mV 150mV 100mV / 100mV ＊① The continuous total output power is 250W max. ∙ The combined power of +5V and +3.3V is 105W max. ∙ Peak currents may last up to 17 seconds with not more than one occurrence per minute ＊② Add 0.1uF and 10uF capacitors across output terminal during ripple & noise test. ＊③ LOAD REGULATION TEST TABLE: Page 3 of 6 PSF-250M4 SWITCHING POWER SUPPLY VERSION 4.0 +5V +12V +3.3V / +5Vsb LOAD1 10 12.8 10 / 2 LOAD2 8.5 16 0.5 / 2 LOAD3 19 5 0.5 / 2 LOAD4 19 11.6 0.5 / 2 LOAD5 1 16 13 / 1 LOAD6 9 10 18 / 2 LOAD7 0.3 16 7 / 2 LOAD8 0.3 1 0.5 / 0 2.1 REMOTE ON/OFF TTL High/PS-OFF; TTL Low/PS-ON VIL=0.8Vmax, IIL=-1.6mAmax @Vin=0.4V VIH=2.0Vmin @Iin=-200uA, VIH=5.25Vmax @open ckt. 2.2 HOLD-UP TIME 16msec (minimum) at 80% load, at 230AC input. 2.3 POWER GOOD DELAY 100-500 msec. 2.4 POWER FAIL DELAY 1 msec. 2.5 TURN-ON DELAY TIME 2000 msec max.At Nominal Line Full Load. 2.6 TRANSIENT OVERSHOOT +/- 10% max with 20% load change on all outputs are 50% of the rated. 2.7 RISE TIME 100ms max at full load. 2.8 LOW POWER CONSUMPTION Input Load Low Power consumption 230V /50HZ 0A ＜0.75W（PS-OFF） Page 4 of 6 PSF-250M4 SWITCHING POWER SUPPLY VERSION 4.0 3.0 PROTECTION: If the power supply protection latch off all main outputs. ( when OPP, OVP or short protection is working ).Reset by cycling remote on/off control or AC power. +5Vsb is recovery. 3.1 OVER POWER PROTECTION Foldback at 110%~150% over peak load 3.2 OVER VOLTAGE PROTECTION +3.3V output 4.5Vmax. +5.0V output 7.0 Vmax. +12.0V output 15.6 Vmax. 3.3 SHORT PROTECTION All output to GND. 4.0 ENVIRONMENT: 4.1 OPERATING TEMP. 10 oC to +50 oC 4.2 STORAGE TEMP. -20 oC to +70 oC 4.3 OPERATING HUMIDITY 20% to 90%,non-condensing 4.4 STORAGE HUMIDITY 5% to 95%, non-condensing 4.5 OPERATING ALTITUDE 5000m 4.6 STORAGE ALTITUDE 6000m 5.0 HI-POT:(Input/Output isolation) 5.1 PRIMARY TO SECONDARY 1500VAC for 1 minute 5.2 INSULATION RESISTANCE Primary to earth ground 500Vdc , 50M ohms Min. Page 5 of 6 PSF-250M4 SWITCHING POWER SUPPLY VERSION 4.0 6.0 CE REQUIREMENTS 6.1 CONDUCTED EMI 1. FCC： Class B 2. CISPR 22： Class B 3. BSMI ： Class B 4. CCC（GB9254-2008）：Class B 6.2 SAFETY STANDARDS 1. CUL (UL 60950) 2. TUV(EN 60950) 3. CB (IEC 60950) 4. CCC GB4943.1-2011 GB 8898-2011 Tropical Altitude up to5000m 6.3 HARMONIC 1. IEC61000-3-2,Class D 2. GB17625.1-2012 GB 13837-2012 7.0 MTBFat 25C(demonstrated) 100KHrs minimum 8.0 DIMENSIONS MODEL : PSF-250M4 FOR CASE STYLE: W x L x H =100(mm)x125(mm)x63.5(mm)

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