> Products > Industrial Aluminum Shell Power Supply > Dual Output Power Supply > 24V16.7A 12V33A switching power supply

24V16.7A 12V33A switching power supply

Brand : cassspower
Product origin : China
Delivery time : 15-30days
Supply capacity : 50k

Features:

Wide range input from 90 to 264Vac

Protection: Short circuit/Over voltage/Over current/Over TEMP.

Pulse Width Modulation (PWM) control method

Fan cooling system

100% full load aging test

3 year warranty

P.S: Special designed for the power supply of the charging pile.

Electrical Requirements

1.1Input Requirements
ItemProjectTechnical Specifications
1.1.1Input Rated Voltage220
1.1.2Input Voltage Range90—264
1.1.3AC Input Voltage Frequency47—63
1.1.4Inrush Starting Current≤80
1.1.5Max Input Current≤5
1.1.6PF vaule≥0.95
1.1.7Max output power450
1.1.8Efficiency≥88%
1.2Output Requirements
ItemProjectTechnical Specifications
1.2.1Output Voltage2412
1.2.2Output Voltage Range23.5-2611.5-12.5
1.2.3Load Output Current16.733
1.2.4Output min current0.10
1.2.5Load regulation±5%±3%
1.2.6Max.capacitive load33005000
1.2.7Ripple & Noise≤240≤120
1.2.8ON/OFF overshoot amplitude±10%
1.2.9DynamicOvershoot amplitude±10% 

ResponseRecovery time△t≤200
1.2.10Voltage Regulation3%
1.2.11Load Regulation3%
1.2.12Start Time≤3
1.2.13Hold up Time≥10
1.2.14Rise time≤50
1.3Protection
ItemProjectTechnical Specifications
1.3.1Over TEMP.The heat sink temperature reaches 95℃
1.3.2Over voltage27-2814-15
1.3.3Over current      18-2034-36A
1.3.4Output short circuit12V/24V: short-circuit protection ways is Hiccups restart ,2 way can automatic recovery

Isolation &Safety Requirements

ItemProjectTechnical Specifications/Note
Testing Condition
2.1Electrical strengthInput &1750Vac/10mA/1minNo arcing, No breakdown
Output
Input&earth connection1500Vac/10mA/1min
Output&earth connection12V: 1500Vac/5mA/1min24V:1500Vac/5mA/1min

2.2Insulation resistanceInput &≥50MΩ@500Vdc TEMP. at 15—35℃,Humidity at ≤90%
Output
Output&earth connection≥50MΩ@500Vdc
Input&earth connection≥50MΩ@500Vdc
2.3Constant wet hot edge electrical resistanceInput &≥2MΩ@500VdcTEMP. at +40℃±2℃,Humidity at 93%±3%
Output
Output&earth connection≥2MΩ@500Vdc
Input&earth connection≥2MΩ@500Vdc
2.3Safety approval
Approved by CE FCC Safety standards.

EMI/EMC Requirements

ItemProjectTechnical Specifications/
Testing Condition
3.1Conduction disturbance emissionEN55022 CLASSA
3.2Radiation disturbance emissionEN55022 CLASSA
3.3Electrostatic discharge immunityIEC61000-4-2 
3.4Electrical rapid pulse swarm immunityIEC61000-4-4 
3.5Voltage drop, short - time interruption and delay - resistanceIEC61000-4-11 
3.6SurgeIEC61000-4-5  
3.7Voltage dips and interruption when short circuitIEC61000-4-11 

*PS:Testing criterion is formulated according to the system requirements.

Environmental Requirements

Item

Project

Technical Specifications

Unit

Note

4.1

Working TEMP.

-550

Typical value 25

4.2

Storage TEMP.

-20+85

Typical value 25

4.3

Working Humidity

1095% (RH)



4.4

Storage Humidity

0 ~95% (RH)



4.5

Altitude 

≤3000

m

working proper

4.6

Storage height

-

m


4.6

Cooling mode

Fan cooling



Environmental Test & Reliability Requirements

Item

Project

Technical Specifications

Note

5.1

High temperature  working

+55℃ 8hrs

Standard

5.2

Low Temperature  working

-10℃ 8hrs

Standard

5.3

High temperature  storage

+85℃ 24hrs

Standard

5.4

Low temperature  storage

-20℃ 24hrs

Standard

5.5

High-Low temperature cycle test

-10~60~-10

Standard

5.5

Constant humidity test

95% 24hrs

Standard

Mechanical structure

Item

Project

Technical Specifications

Unit

Note

6.1

Dimension

199*98*50 ±1

mm

(L×W×H)

6.2

Input connecting terminal

Refer to table 1



6.3

Output connecting terminal

Refer to table 2



6.4

package

24pcs/carton are separated by Knife card bulkhead 



6.5

Special processing technology

Insulation slices pan at the bottom of the PCB



Installation Dimensions (L×W×H)mm (left side) (unit: mm, error: + 0.5mm)

image003.png

Installation Dimensions (L×W×H)mm (right side) (unit: mm, error: + 0.5mm)

image005.pngimage005.pngimage005.png

Installation Dimensions (L×W×H)mm (Looking down) (unit: mm, error: + 0.5mm)

image007.png

CON1 Output Connecting pin function

image009.png

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