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27V Power Supply

27V power supply Model: NES-350-27 LEYU high quality NES-350-27 350W 27V single output switching power supply Withstand 300VAC Surge input for 5 seconds Forced air Cooling by built-in DC fan It's for power supply 27V 350W Features: •Leyu 27V SMPS •AC input range selectable by switch...

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Product Details

27V power supply 

Model: NES-350-27


LEYU high quality NES-350-27 350W 27V single output switching power supply 

Withstand 300VAC Surge input for 5 seconds

Forced air Cooling by built-in DC fan

It's for power supply 27V 350W


Features:

•Leyu 27V SMPS

•AC input range selectable by switch

•Protections: Short circuit / Overload / Over voltage / Over temperature 

•Forced air cooling by built-in DC fan

•Withstand 300VAC surge input for 5 second

•Built-in cooling Fan ON-OFF control

•Built-in constant current limiting circuit

•100% full load burn-in test

•LED indicator for power on

•Fixed switching frequency at 90KHz

•Low cost,high reliability

•2 years warranty


Model Series:

NES-350-3.3 / NES- 350-5 / NES-350-7.5 / NES-350-12

NES-350-15 / NES-350-24 / NES-350-27 / NES-350-36 / NES-350-48


Details:

Model

NES-350-24

NES-350-27

NES-350-36

NES-350-48

OUTPUT

DC VOLTAGE

24V

27V

36V

48V

RATED CURRENT

14.6A

13A

9.7A

0.73A

CURRENT RANGE

0 ~ 14.6A

0 ~ 13A

0 ~ 9.7A

0 ~ 7.3A

RATED POWER

350.4W

351W

349.2W

350.4

RIPPLE & NOISE

150mVp-p

200mVp-p

240mVp-p

240mVp-p

VOLTAGE ADJ. RANGE

20~26.4V

26 ~ 32V

32~40V

41 ~ 56V

VOLTAGE TOLERANCE

±1.5%

±1.5%

±1.5%

±1.5%

LINE REGULATION

±0.5%

±0.5%

±0.5%

±0.5%

LOAD REGULATION

±0.5%

±0.5%

±0.5%

±0.5%

SETUP, RISE TIME

1000ms, 50ms/230VAC 1000ms,50ms/115VAC at full load

HOLD UP TIME

20ms/230VAC 16ms/115VAC at full load

INPUT

VOLTAGE RANGE

90 ~ 132VAC / 180 ~ 264VAC by switch 254 ~ 370VDC

FREQUENCY RANGE

47 ~ 63Hz

EFFICIENCY

87%

88%

87.50%

87.50%

AC CURRENT

7A/115VAC   4A/230VAC

INRUSH CURRENT

40A/115VAC   60A/230VAC

LEAKAGE CURRENT

<3.5mA / 240VAC

PROTECTION

OVER LOAD

105 ~ 135% rated output power

Protection type: Constant current limiting, recovers automatically after fault condition is removed

OVER VOLTAGE

27.6 ~32.4V

33.7 ~ 39.2V

41.4~46.8V

57.6 ~ 67.2V

Protection type:  Shut down O/P voltage, re-power on to recover

OVER TEMPERATURE

85°C±5°C (3.3~7.5V);  80°C±5°C (12V);   75°C ±5°C (15~48V) (TSW1) Detect on case

Protection type:  Shut down O/P voltage, recovers automatically after temperature goes down

FAN ON/OFF CONTEOL

RTH2≥50°C  FAN ON, ≤45°C  FAN OFF (3.3 ~ 7.5V)

RTH2≥55°C  FAN ON, ≤50°C  FAN OFF (12 ~ 48V)

ENVIRONMENT

WORKING TEMP.

-20 ~ +60°C (Refer to output load derating curve)

WORKING HUMIDITY

20 ~ 90% RH non-condensing

STORAGE TEMP., HUMIDITY

-20 ~ +85°C , 10 ~ 95% RH

TEMP. COEFFICIENT

±0.03%/°C (0 ~ 50°C )

VIBRATION

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

SAFETY &EMC

SAFETY STANDARDS

U60950-1 approved

WITHSTAND VOLTAGE?

I/P-O/P:3KVAC 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 / 25°C/ 70% RH

EMI CONDUCTION & RADIATION

Design refer to EN55022 (CISPR22) Class A

EMS IMMUNITY

Design refer to EN61000-4-2, 3, 4, 5, 6, 8,11, ENV50204, EN55024, light industry level, criteria A

OTHERS

MTBF

234.3K hrs min. MIL-HDBK-217F (25°C)

DIMENSION

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

PACKING

1.07Kg; 12pcs/13.5Kg/0.92CUFT


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Why Choose Us ? 

1. Our goal is to provide you the right product and make you satisfied, so please don’t hesitate to contact us via tel or mail.

2. We shall find for you the cheapest shipping term and show you the freight and shipping time. Regarding to the urgent order, a quickest shipping term and freight will be advised to you for consideration.

3. The stock info will be informed before your order, to make everything under control.

4. Price could be negotiated for more and large quantity.

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