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Product Detail

250W Single Output Switching Power Supply        S-250 series

Features:

High efficiency, high reliability, low cost

Universal AC input / full range

100% full load burn-in test

Protections: Short circuit/ Over load/ Over voltage

PWM control and regulated

Forced air cooling by built in DC fan

Built-in cooling Fan ON-OFF control

Fixed switching frequency at 25 KHz

2 years warranty

OUTPUT

 

Model

S-250-7.5

S-250-12

S-250-13.5

S-250-15

S-250-24

S-250-27

S-250-48

DC output voltage

7.5V

12V

13.5V

15V

24V

27V

48V

Output voltage error

±2%

±1%

±1%

±1%

±1%

±1%

±1%

Rated output current

33A

20A

18.5A

16.7A

10A

9A

5A

Output current range

0-33A

0-20A

0-18.5A

0-16.7A

0-10A

0-9A

0-5A

Wave and noise

200mVp-p

150mVp-p

150mVp-p

150mVp-p

150mVp-p

150mVp-p

240mVp-p

Inlet stability

±0.5%

±0.5%

±0.5%

±0.5%

±0.5%

±0.5%

±0.5%

Load stability

±1%

±0.5%

±0.5%

±0.5%

±0.5%

±0.5%

±0.5%

DC output power

247.5W

240W

248W

250.5W

240W

243W

240W

Efficiency

75%

79%

79.00%

80.00%

81%

82%

84%

DC voltage adjustable range

6~9V

10~13.2V

12~15V

13.5~18V

20~26.4V

26~32V

41~56V

AC input voltage range

88~132VAC/176~264VAC selected by switch 47~63Hz;248~370VDC   

Input current

5A/115V 2.5A/230V   

Leakage current 

<3.5mA/240VAC

PROTECTION

 

Over Load

105%~135%

Protection type: Fold back current limiting, recovers automatically after fault condition is removed.

Over Voltage

115%~135%

Protection type: hiccup mode, recovers automatically after fault condition is removed.

Over Temp.

RT3≥55 Fan On, ≤45 Fan Off, ≥80 Output Shutdown (5~7.5V)

RT3≥65 Fan On, ≤55 Fan Off, ≥80 Output Shutdown (12~15V)

RT3≥70 Fan On, ≤60 Fan Off, ≥85 Output Shutdown (24~48V)

ENVIRONMENT

 

Working Temp., Humidity

-10~+50; 20%~90%RH

Storage Temp., Humidity

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

Vibration

10~500Hz, 2G 10min./1cycle, period for 60min, each along X, Y, Z axes

SAFETY

 

Withstand Voltage

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

Isolation Resistance

I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC

STANDARD

 

Safety Standard

Design refer to UL1950

EMC Standard

Design refer to EN55022, EN55024, EN61000

OTHERS

 

Dimension

215*115*50mm(L*W*H)

Weight

1Kg

Packing

20pcs/20Kg












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