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Dual output 28V 12V switching power supply 500W with 385V output LED beam lamp

KAIHUI beam lamp series 500W 385V 28V 12V high efficiency up tp 88% samll size open frame power supply model,this type power supply can be customized and ODM and OEM.

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  • Shipping Port:

    Guangzhou port
  • Lead Time:

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

Dual output 28V 12V switching power supply 500W with 385V output LED beam lamp


Beam lamp series K18-UP500D2812HV 500W 385Vdc 28Vdc 12Vdc open frame single output switching power supply with built-in active PFC function,PF>0.9,high efficiency up to 88%,it has 2 years warranty,be widely used is stage lighting and beam lamp field.


1, High efficiency 500W 385V 28V 12V switching power supply;
2, Built-in PFC function, low interference 500W 28VDC 12VDC output power supply;
3, 385V 28V 12V power supply with wide range of AC input voltage ;
4, Overload, short circuit over voltage and overheating protection;

5, Single output samll size beam lamp power supply.

Item NO
Output DC Output Voltage +28VDC +12VDC +385VDC
Rated Current 5A 1A 0.92A
Current Range(natural cooling) 0.1-3A 0.1-1A 0.1-0.78A
Current Range(fan cooling) 0.1-5A 0.1-1A 0.1-0.92A
Ripple & Niose 280mVp-p 150mVp-p 10Vp-p
Rated Power(natural cooling) 400W (CH1 and CH2 total power does not exceed 100W, CH1, CH2, CH3 three-way  total power does not exceed 400W)
Rated Power(fan cooling) 500W (CH1 and CH2 total power does not exceed 150W, CH1, CH2, CH3 three-way total power does not exceed 500W)
DC Output ADJ CH1:±5%
DC Output Tolerance ±1% ±8% ±2%
Line Regulation ±0.5% ±2% ±1%
Load Regulation ±0.5% ±6% ±1%
Set up,Rise,Keep up time 500ms,50ms,20ms
Input Input Voltage Range 100-240V AC
Input Range 3A@220V AV
Input frequency 50-60Hz
Efficiency >88%
Inrush Current

COLD START 15A/115V,30A/230V

Leakage Current

<0.35mA 240V AC

Power Factor


Over Load Protection 110~200%,Hiccup,automatic recovery,385V does not allow overload
Over Voltage Protection --
Over Temp.,Protcetion
Housing (Q1 position) temperature is greater than 105 °, the output is off, automatic recovery

Working Temp.,Humidity

-20~50℃,10~90% RH,No condensation

Storage Temp.,Humidity

-20~85℃,10~95% RH
Temp., Drift
Vibration 10~500Hz, 2G 10min./1cycle, PERIOD FOR 60min. EACH AXES
Safety & EMC Standard

Safety standards


Withstand Voltage


Insulation resistance

IP-O/P, I/P-FG, O/P-FG:500VDC / 100M Ohms
EMC standards
Others Dimensiosn 127*82*40mm(L*W*H)
Notes 1.All the parameters in the 230VAC input, rated load, temperature 25 ℃, humidity 70% under the conditions of determination;

2.Accuracy: including setting error, line adjustment rate, load regulation rate;

3.Ripple test: connect the power supply and load with 30cm long wire and 0.1u and 47u capacitance at the load end, measured on the load side with 20MHz oscilloscope;

4.Line regulation: at rated load conditions, the input voltage changes from low to high measured;

5.Load regulation: the measured output load from 0 to 100% load change measured.

Product picture:

500W 28V 12 385V switching power supply

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