Ø Universal input 85~264Vac or 120~370Vdc Ø  Built-in Active PFC, PF>0.95 Ø  140W free air convection, 230W force air Ø  No load power consumption<0.3W Ø  Extremely low leakage current<0.1mA Ø  12V/0.5A fan supply Ø  Output protections: SCP/OVP/OCP/OTP Ø  Wide operating ambient temperature (-40℃~70℃) Ø  Operating altitude up to 5000m Ø  4.07’’*2’’ *1’’Compact size Ø  Suitable for BF applications Ø  Fit for Class I & Class II configuration        Ø 3 years warranty  MODEL PSF-230S-12 PSF-230S-24 PSF-230S-36 PSF-230S-48 OUTPUT DC Output 12V 24V 36V 48V Rated Current (free air convection) 11.7A (140.4W) 5.83A (139.92W) 3.9A (140.4W) 2.92A (140.16W) Rated Current (13CFM forced air) 19.2A (230.4W) 9.58A (229.92W) 6.39A (230.04W) 4.79A (229.92W) Ripple and Noise  Note 2 0~70℃ 100mV -40℃~0℃ 200mV Voltage ADJ.  Range 11.4~12.6V 22.8~25.2V 34.2~37.8V 45.6~50.4V Voltage Accuracy ±1.0% Line Regulation ±0.5% Load Regulation ±1.0% ±0.5% Set-up Time ≤1.5S (230Vac input, Full load); ≤3.0S (115Vac input, full load) Hold up Time ≥12mS @115Vac input ;  ≥16mS @230Vac input   Full load Temperature Coefficient ±0.03%/℃ Overshoot <5.0% INPUT Voltage Range   Note 3 85~264Vac/120～370Vdc Rated input voltage range 100~240Vac Frequency Range 47Hz-63Hz Efficiency ( Typical) 93% 94% 94% 94% Power Factor(Typical) PF>0.99/115Vac, PF>0.95/230Vac  full load AC Current (max.) ≤3 A/115Vac   ≤1.5 A/230Vac  full load Inrush Current (Typical) 60A/230Vac      Cold start Leakage Current Input to PG: ≤0.25mA    Input to output: ≤0.1mA  PROTECTION Over Current 21.1~34.5A 10.5~17.2A 7~11.5A 5.27~8.62A Protection type: Hiccup mode, auto recovery Over Power 110%~180%, Hiccup mode, auto recovery Over Voltage ≤16V ≤32V ≤48V ≤60V Protection type: Re-power on Over temperature Shut down when temperature is too high; auto recovery when temperature is low Short Circuit Long-term mode, auto recovery ENVIRONMENT Operating amb. Temp. & Hum. -40℃~70℃;  20%~90%RH  No condensing (refer to the derating curve) Storage Temp. & Hum. -40℃~85℃;  10%~95%RH  No condensing Operating altitude (Note 3) 5000 meters SAFETY &EMC   (Note 4) Safety Standards IEC62368 / IEC60601 Withstand Voltage Primary-Secondary: 4KVac/10mA; Primary to PG: 1.5KVac/10mA; Secondary-PG: 1.5Vac/10mA Isolation Resistance 50M ohms Isolation Level Input-output 2*MOPP Input-FG 1*MOPP Output-FG 1*MOPP EMI Conduction&Radiation Compliance to EN55032 Class B Harmonic Current Compliance to EN61000-3-2, Class D EMS Immunity Compliance to EN61000-4-2,3,4,5,6,8,11; OTHERS MTBF (MIL-HDBK-217F) More than 200,000Hrs (25℃, Full load) Dimension  (L*W*H) 103.5*50.8*25.4mm (4.07’’*2’’*1’’ inch) Packing TBD Cooling method 140W free air convection; 230W with 13CFM forced air NOTE 1.     All parameters NOT specially mentioned are measured at rated input, rated load and 25℃ of ambient temperature. 2.     Measured at 20MHz of bandwidth by using a12”twisted pair-wire terminated with a 0.1 uF & 10uF parallel capacitor. 3.     The ambient temperature derating of 0.5℃/100m for operating altitude higher than 2000m. 4. The power supply is considered as a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives.