Product Detail

350W Single Output Switching Power Supply    S-350 series

High efficiency, high reliability, low cost
Universal AC input / full range
100% full load burn-in test

Protections: Short circuit/ Over load/ Over voltage                  
PWM control and regulated
Forced air cooling by built in DC fan

Built-in cooling Fan ON-OFF control
Fixed switching frequency at 25 KHz
2 years warranty

Model S-350-5 S-350-7.5 S-350-12 S-350-13.5 S-350-15 S-350-24 S-350-27 S-350-48
DC Voltage 5V 7.5V 12V 13.5V 15V 24V 27V 48V
Rated Current 50A 40A 29A 25.8A 23.2A 14.6A 13A 7.3A
Current Range 0-50A 0-40A 0-29A 0-25.8A 0-23.2A 0-14.6A 0-13A 0-7.3A
Rated Power 250W 300W 348W 348.3W 348W 350.4W 351W 350.4W
Ripple & Noise 150mVp-p 150mVp-p 150mVp-p 150mVp-p 150mVp-p 150mVp-p 200mVp-p 240mVp-p
Voltage Adj. Range -10%,+12% ±20% -16%,+10% -12%,+11% -10%,+20% -16%,10% -4%,+18% -15%,+17%
Voltage Tolerance ±2% ±2% ±1% ±1% ±1% ±1% ±1% ±1%
Setup, Rise, Hold Up Time 200ms,50ms,20ms at full load
Voltage Range 90~132VAC/180~264VAC selected by switch   47~63Hz; 254~370VDC
AC Current 6.5A/115V   4A/230V
Efficiency 73% 76% 74% 79% 78% 81% 82% 83%
Inrush Current Cold start 50A/115V   50A/230V
Leakage Current <3.5mA/240VAC
Over Load 105%~135%
Protection type: Fold back current limiting, recovers automatically after fault condition is removed.
Over Voltage 115%~135%
Protection type: hiccup mode, recovers automatically after fault condition is removed.
Over Temp. RT3≥55 Fan On, ≤45 Fan Off, ≥80 Output Shutdown (5~7.5V)
RT3≥65 Fan On, ≤55 Fan Off, ≥80 Output Shutdown (12~15V)
RT3≥70 Fan On, ≤60 Fan Off, ≥85 Output Shutdown (24~48V)
Working Temp., Humidity -10~+50; 20%~90%RH
Storage Temp., Humidity -20~+85; 10%~95%RH
Vibration 10~500Hz, 2G 10min./1cycle, period for 60min, each along X, Y, Z axes
Withstand Voltage I/P-O/P: 1.5KVAC   I/P-FG: 1.5KVAC   O/P-FG: 0.5KVAC
Isolation Resistance I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC
Safety Standard Design refer to UL1950
EMC Standard Design refer to EN55022, EN55024, EN61000
Dimension 215*115*50mm(L*W*H)
Weight 1Kg
Packing 20pcs/20Kg
1.All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25 of ambient temperature.
2.Ripple & noise are measured at 20MHz of bandwidth by using a 12” twisted pair-wire terminated with a 0.1μ & 47μ parallel capacitor.
3.Tolerance: includes set up tolerance, line regulation and load regulation


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