S-250 Type Switching Power SupplyDetailed product description：

Low price, high reliability
105 ℃ output capacitor
Global applicable AC input voltage
High efficiency, low working temperature
Soft start current, effectively reducing AC input shock
Small size and light weight
100% full load burning test
Built in EMI filter with minimal ripple

model performance	S-250-5	S-250-7.5	S-250-12	S-250-13.5	S-250-15	S-250-24	S-250-27	S-250-48
DC output voltage	5V	7.5V	12V	13.5V	15V	24V	27V	48V
Output voltage tolerance (Note 2)	±2%	±2%	±1%	±1%	±1%	±1%	±1%	±1%
Rated output current	50A	33A	20.8A	18.5A	16.6A	10.5A	9.3A	5.2A
Output current range	0-50A	0-33A	0-20.8A	0-18.5A	0-16.6A	0-10.5A	0-9.3A	0-5.2A
Ripple and noise (Note 3)	150mVp-p	150mVp-p	150mV	150mV	150mV	150mV	200mV	240mV
Stability of incoming line (Note 4)	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%
Load stability (Note 5)	±1%	±1%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%
DC output power	250W	250W	250W	250W	250W	252W	251W	250W
efficiency	73%	76%	74%	79%	78%	81%	82%	83%
Adjustable range of DC voltage	4.5-5.6V	6-9V	10-13.2V	12-15V	13.5-18V	20-26.4V	26-32V	41-56V
Input voltage range	90-132VAC/180-264VAC selected by switch: 47-63Hz; 254-370VDC
input current	4.6A/115V 2.8A/230V
inrush current	Cold start current 25A/115V 50A/230V
leakage current	< 3.5mA/240VAC
overload protection	115% to 135% cut off output reset: automatic recovery
overvoltage protection	5.75-6.7V	9.4-10.9V	13.8-16V	15.5-18V	18-21V	27.6-32V	33.7-39V	57.6-67.2V
High-temperature protection	RTH3>=65 ℃ FAN ON,<=55 ℃ FAN OFF,>=80 ℃ cut-off output (5-15V) RTH3>=70 ℃ FAN ON,<=60 ℃ FAN OFF,>=85 ℃ cut-off output (24-48V)
temperature coefficient	±0.03%/℃(0～50℃)
Start, rise, and hold time	200ms,50ms,20ms
seismic resistance	10-500Hz, 2G 10min./1 cycle, duration 60 minutes, each axis
pressure resistance	Input/output room: 1.5KVAC, input and enclosure: 1.5KVAC, output and enclosure: 0.5KVAC
Isolation resistor	Between input and output, input and casing, output and casing: 500VDC/100M Ω
Working temperature and humidity	-10℃～+50℃,20%～90%RH
Storage temperature, temperature	-20℃～+85℃,10%～95%RH
Overall dimensions	215*115*50mm
weight	1.15Kg
safety standards	UL1950
EMC standard	EN55022,EN55024,EN61000
Other Performance	……

Note: 1. The above parameter testing conditions are: 230VAC input, rated load, 25 ℃ 70% RH. Humidity.
2. Tolerance: including set tolerance, line stability, and load stability (Note 5).
3. Ripple test: Use A12 "twisted pair for 20MHz and short-circuit with 0.1uF&47uF capacitors for interruption.
4. Incoming voltage stability test: the lowest voltage to the highest voltage of the incoming line at full load.
5. Load stability test: load from 0% to 100%.
6 C3, 4 must be dismantled

S-250 Switching Power Supply