400W Power Supply

400W Power Supply

We Leyu was founded in 2005,mainly produce AC to DC. DC to DC switching 400w power supply. The products are approved by CE ROHS CCC IP67 Certificattion. Our enterprise was approved by ISO9001. Based on the trading belief "Focus on customers","realizing the satisfaction of...

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Product Details

1(002).jpg400W Single Output Switching Power Supply S-400 series

Product Description:Our Leyu brand 400w power supply use for LED driver/Industrial machine/Camera etc.Mainly AC to DC .Constant voltage of our switching power supply and has Short circuit/ Over load/ Over voltage protection.


Features:

Factory price, good model

Universal AC input in whole 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 


SPECIFICATIONS

OUTPUT


Model

S-400-12

S-400-15

S-400-24

S-400-27

S-400-48

DC Voltage

12V

15V

24V

27V

48V

Rated Current

33A

26.6A

16.6A

14.8A

8.3A

Current Range

0-33A

0-26.6A

0-16.6A

0-14.8A

0-8.3A

Rated Power

396W

399W

398W

399W

398W

Ripple & Noise

150mVp-p

150mVp-p

150mVp-p

200mVp-p

240mVp-p

Voltage Adj. Range

-16%,+10%

-10%,+20%

-16%,10%

-4%,+18%

-15%,+17%

Voltage Tolerance

±1%

±1%

±1%

±1%

±1%

Setup, Rise, Hold Up Time

200ms,50ms,20ms at full load

INPUT


Voltage Range

90~132VAC/180~264VAC selected by switch 47~63Hz; 254~370VDC

AC Current

6.5A/115V 4A/230V

Efficiency

73%  76%  74%  79%  78%  81%  82%  83%

Inrush Current

Cold start 50A/115V 50A/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



1(001).jpg

*.Low price and high quality 

*.105 ℃ output capacitor

*.Ac input power suitable for the world

*.High efficiency and low operation temperature

*Soft-start current can reduce the AC input impact efficiency

*.With short-circuit and overload protection

*100% full-load burn-in test

*.Installed with EMI filter.Minimum wave


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FAQ:

Q:Why choose us ?

A:LEYU company specialized in making switching 400w power supply for 10 years, professional manufacturer accept customized and OEM .

Q:Which kind of payment terms you  accept?

A:We accept T/T,L/C,West union,paypal and Credit card.

Q:Can I get a sample before the order because I really don't how is your 400w power supply’s quality?

A:Of course!We also think sample order is the best way to build the trust.

Q:How long days you need of send goods to us ?

A:Most of our standard products are in stock, we can delivery within 2 work days .special

model need 7-15 work days..For large quantity orders 3-5 weeks lead-time is needed.

Q:what certificate your products own ?

A:CE  ROHS  CCC  Certification


After-sale service:

a) All products will have been strictly quality checked in test house before packing

b) All products will be well packed before shipping

c) All products have 1-2 years warranty, and we sure the products will be free from maintenance within warranty period


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