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Dual output 300W 48V 12V switching power supply open frame with PFC function

KAIHUI open frame type dual output 48V 12V samll size 300W ac-dc switching power supply products with PFC function

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  • Shipping Port:

    Guangzhou port
  • Lead Time:

    2 days for stocks; 7-10 days for samples
Product Details

Dual output 300W 48V 12V switching power supply open frame with PFC function


K18N-UP300D series dual output series 300W 48V 12A open frame item switching power supply is wide range of AC input voltage,built-in active PFC function,PF>0.95,free air convection for 200W and forced air convection for 300W.


1, 300W high efficiency 48V 12V dual output switching power supply;
2, Built-in active PFC function power supply;
3, Wide range of AC input voltage,48V/6A, 12V/1A dual output power supply;
4, It have short circuit, over load, over voltage,over hearting protection;

5, 300W 48V 12V power supply used in LED driver,stage light etc.

             Item NO
K18N-UP300D24+12 K18N-UP300D36+12 K18N-UP300D48+12
Output Output Voltage
+24V +12V +36V +12V +48V +12V
Rated Current 12A 1A 8A 1A 6A 1A
Current Range(natural cooling) 0-7.8A 0-1A 0-5.2A 0-1A 0-4.2A 0-1A
Current Range(with fan cooling) 0-12A 0-1A 0-8A 0-1A 0-6A 0-1A
Rated Power(natural cooling) 199.2W 199.2W 199.2W
Rated Power(with fan cooling) 300W 300W
Ripple 240mVp-p 120mVp-p 360mVp-p 120mVp-p 480mVp-p 120mVp-p
Output Adjustable Range ±10%
Output Accurancy
Line Regulation ±0.5%           
Load Regulation ±0.5%           
Set up,Rise,Keep up time 500ms,50ms,20ms
Input Input Voltage 90-264VAC
Input Current 1.6A@220VAC
Frequency 47-63Hz
Efficiency @220V AC >88% >88% >88%
Power Factor >0.99@110V,>0.95@220V
Inrush Current Cold start 20A/115V,40A/230V
Leakage Current <0.75mA@240V AC
Protection Over Load Protection 110~200%,Hiccup-type protection,automatic recovery
Over Output Protection CH1:27-31V CH1:39-43V CH1:55-60V
Over Tmep.,Protection 105℃. Protection type : Shut down o/p voltage, recovers automatically after temperature goes down
Working Temp.,Humidity
-20~50℃,10~90% RH,No condensation.
Storage Temp., Humidity
-20~85℃,10~95% RH
Temperature Drift
10~500Hz, 2G 10min./1cycle, PERIOD FOR 60min. EACH AXES
Safety & EM
C Standards

Safety Standards
EN61347-1:2008, EN61347-2-13:2006
Withstand Voltage I/P-O/P:3.75KVAC; I/P-FG:1.5KVAC;O/P-FG:500VAC
Insulation Resistance
I/P-O/P, I/P-FG, O/P-FG:500VDC / 100M Ohms
EMC Standards
EN55015:2006+A1:2007+A2:2009, EN61000-3-2:2006+A1:2009+A2:2009,EN61000-3-3:2008, EN61547:2009


Notes 1. All parameters are measured at 220 V AC input, rated load, ambient temperature 25 ° C, humidity 70%;
2. Accuracy: including setting error, line regulation, load regulation rate;
3. Ripple test: 30cm long wire with the power and load, load and 0.1u and 47u capacitance to 20MHz
oscilloscope measured at the load side;
4. Line regulation: the rated load conditions, the input voltage changes from low to high measured;
5. Load regulation: Measured output is measured from 0% load to 100% load change.

Product picture:

300W 48V 12V dual output switching power supply

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