24v 3a Switching Power Supply

24v 3a Switching Power Supply

The power supply with a fan mainly relies on forced air cooling for heat dissipation; and the air in the sealed box cannot convect with the outside, which will greatly increase the ambient temperature inside the box.

  • Product Introduction

Introduction

With the rapid development of semiconductor technology, especially the wide application of large-scale integrated circuits, electronic equipment is developing in the direction of miniaturization and solid state. At the same time, higher requirements are placed on the power supply equipment. 24v 3a Switching Power Supply is made with electronic components and a small high-frequency transformer. Its working principle is that high-voltage electricity (mains 220V) is directly converted into high-voltage DC by diodes, and then converted into high-frequency and low-voltage pulse power through a high-frequency switching circuit. After diode rectification and capacitor filtering, a smooth low-voltage DC output is formed.


Features

24v 3a Switching Power Supply is often used in LED light boxes. Therefore, we pay great attention to whether the customer's light box is sealed and whether the power supply bottom case is close to the box. The sealed box mainly relies on heat transfer and radiation to dissipate heat while the sealed box mainly relies on air convection to dissipate heat. We advise customers not to use power supplies with fans in sealed boxes. The power supply with a fan mainly relies on forced air cooling to dissipate heat, and the air in the sealed box cannot convect with the outside world, which will greatly increase the ambient temperature in the box. Higher ambient temperature will further lead to lower conversion efficiency. In addition, our products are made of metal materials and have a hollow design, so it is very good for heat dissipation. The design of multiple protection functions also ensures the safety of the circuit.



property

Model

P-72W-24V

Output voltage

24V±2%

Output Current

3A

Ripple and noise

100mVp-p

Output power

72W

Efficiency

87%

Input voltage

90-264VAC

Input frequency

47-63Hz

Input current

1.5A/110V 0.75A/220V

Cold start current

1.2A/170V 0.6A/260V

Leakage current

<0.3mA/260VAC

Waterproof grade

IP20

Overload protection

105%-110%,cut off the output,reset:automatic recovery

Short circuit protection.

Have

Over voltage protection

Have

Temp coefficient

±0.03%℃(0-5℃)

Start,rise,hold time

200ms,50ms,20ms

Shock resistance

10-500Hz,2G 10min,/1 cycle,60 minutes,each axis

Pressure

I/P-O/P:1.5KVAC,I/P-FG 1.5KVAC,O/P-FG:0.5KVAC

Running Temp,humidity

-20℃~+60℃,20%~90%RH

Storage Temp,humidity

-30℃~+85℃,10%~95%RH

Dimension

110*78*35mm

Weight

0.4Kg

Security Standard

CE FCC ROHS



 

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  • Our company specializes in selling 24v 3a Switching Power Supply, and is recognized by the industry with our integrity, strength, professionalism and product quality.
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