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Switch Power Supply
250W switch model power supply with Fan

250W switch model power supply with Fan

 Features
Low price and high reliability
AC input power suitable for the world
High efficiency and low operation temperature
Soft-start current can reduce the AC input impact effectively
With Short-circuit and overload protection
100% full-load burning test
Installed with EMI filter, minimum wave.
2 years warranty
E-mall Us
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    Description

                                              

     

    Model

    ST-250-5

    ST-250-12

    ST-250-24

    ST-250-48

    DC output voltage

    5V

    12V

    24V

    48V

    Output voltage errorNote2

    ±2%

    ±1%

    ±1%

    ±1%

    Rated output current

    25A

    20A

    10A

    5A

    Output current rage

    0-25A

    0-20A

    0-810A

    0-5A

    Wave and noise(Note 3

    100mVp-p

    100mVp-p

    100mVp-p

    100mVp-p

    Inlet stability(Note 4

    ±0.5%

    ±0.5%

    ±0.3%

    ±0.3%

    Load stability (Note 5

    ±0.5%

    ±0.5%

    ±0.3%

    ±0.3%

    DC output power

    125W

    240W

    240W

    240W

    Efficiency

    78%

    80.5%

    83.5%

    83.5%

    Adjustable range for DC voltage

    4.5-5.5V

    10.6-13.2V

    21-28V

    43.2-52.8V

    AC input voltage range

    85-132VAC/170-264VAC Selected by switch, 47-63Hz240-370VDC

    Input current

    3.2A/115V 1.6A/230A

    AC Inrush current

    Cold-start current 35A/115V 60A/230V

    Leakage current

    <3.5mA/240VAC

    Overload protection

    105%-150%Type:Foldback:current limiting reset: auto recovery

    Over-voltage protection

    115%-135%,Protection type : Shut down o/p voltage, re-power on to recover

    Temperature coefficient

    ±0.03%/0-50

    Setup rise hold up time

    100ms,50ms,20ms

    Vibration

    10-500HZ,2G 10min,/1cyclePeriod for60minEach axes

    Withstand voltage

    Input and output internal1.5KVAC,Input and enclosure1.5KVAC,Output and enclosure0.5KVAC

    Isolation resistance

    Input and output internal: Input and enclosure, Output and enclosure500VDC/100MΩ

    Working temperature and humidity

    -10~+60Refer to output derating curve),20%~90%RH

    Store temperature and humidity

    -20~+85,10%~95%RH

    Overall dimension

    199×98×38mm

    Weight

    0.8Kgs

    Safety standards

    Meet UL 1012 requirement(Not apply for the mark)

    EMC standards

    Meet FCC part15J Conduction classB

    Note
    1.The testing condition for the parameter above is :230VAC input, rated load,25
    70% RH.Humidity.
    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 inlet is up to the highest voltage.
    5. Load stability test: the load is from 0% to 100%.

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