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Product
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S-250H series 250W general switching power supply

Model number and parameters
Model number S-250H-12 S-250H-13.5 S-250H-15 S-250H-24 S-250H-27 S-250H-48
DC output voltage 12V 13.5V 15V 24V 27V 48V
Output voltage error (Note: 2) ±1% ±1% ±1% ±1% ±1% ±1%
Rated output current 20A 18A 17A 10A 9A 5A
Output current rage 0-20A 0-18A 0-17A 0-10A 0-9A 0-5A
Wave and noise (Note: 3) 75mVp-p 75mVp-p 75mVp-p 75mVp-p 75mVp-p 75mVp-p
Inlets tability (Note: 4) ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
Load stability (Note: 5) ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
DC output power 240W 243W 255W 240W 243W 240W
Effciency 832% 83% 84% 86% 856% 87%
Adjustable range for DC voltage 10-13.2V 12-15V 13.5-18V 20-26.4V 26-32V 41-56V
General
Model number S-300 series
AC input voltage range 88-132VAC/176-264VAC, selected by switch, 47-63Hz; 254-370VDC
Input current 6A/115V, 3.5A/230V
AC inrush current Cold-start current: 20A/115V, 40A/230V
Leakage current 3.5mA/240VAC max
Overload proctection 105%-150% Type:Foldback current limiting Rest:auto-recovery
Temperature coefficient ±0.03%/℃ (0-50℃)
Setup rise hold up time 2s, 20ms, 20ms
Vibration 10-500HZ,2G 10min/1cycle, Periodfor 60min, Each axes
Dielectric strength 1.5KVac, 50/60 Hz for 1 min between input and output
1.5KVac, 50/60 Hz for 1 min between input and enclosure
0.5KVac, 50/60 Hz for 1 min between output and enclosure
Isolation resistance 100MΩ min. at 500 VDC
Working temperature humidity -10℃-60℃ (Refer to output characteristic figure), 20%-90%RH
Store temperature humidity -20℃-85℃, 10%-95%RH
External dimension 215x115x50 mm
Weight 1.1kg
Safety standards UL1950
EMC standards FCC part 15J condition level A
Note 1. The testing condition for the above paramenter is: 230VAC input, rated load, 25℃, Humidity 70%RH.
2. Error, include the setting error, line stability and load stability. (Note:5)
3. Wave test: adopting A12 double wire for 20MHZ,and 0.1uF-47uF capacitor short-circuit for interrupting.
4. Inlet voltage stability test: when is over load,the lowest voltage of enter is representative to the highest voltage
5. Load stability test: The load is from 0% to 100%.
S-250H series general switching power supply mounting dimensions