Professional 252W LED Switching Slim Power Supply with High Reliability

Switching power supply

?NHI300-4.2-A

?OUTPUT

DC Voltage

?4.2V

Current Range

?0~60A

Rated Current

?60A

Rated Power

?252W

Ripple & Noise(max.)

?<200mVp-p

Voltage ADJ.Range

?4.05~5.0V

Voltage Tolerance

? 3.0%

Line Regulation

? 0.5%

Load Regulation

? 2.0%

Setup,Rise Time

?1000ms,50ms/230VAC

Hold up time

?20ms/230VA

?INPUT

Voltage Range

?200-240VAC

Frequency Range

?47-63Hz

Efficiency(Typ.)

?81-85%

AC Current

?4A/230VAC

Inrush Current(max.)

?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

?5.75 ~ 7.5V

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

Over Temperature

?90℃ 5℃

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

Function

Fan on/off control(Typ.)

RTH2≧50℃ Fan on,≦45℃ Fan off

?Environment

Working Temp.

?-20 ~ +60℃

Working Humidity

?20 ~ 90% RH, non-condensing

Storage Temp., Humidity

?-20 ~ +85℃, 10 ~ 95% RH

Temp.Coefficient

?0.03%/℃ (0 ~ 50℃)

Vibration

?10 ~ 500Hz, 5G 10min./1 cycle,60min. Each along X, Y, Z axes

?Safety

Safety standards

?UL60950-1 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℃ / 70% RH

?Others

MTBF

?234.3K hrs min. MIL-HDBK-217F(25℃)

Dimension

?196*110*30mm (L*W*H)

Packing

?1.0kg; 20pcs/20Kgs

?Note

1. All parameters NOT specially mentioned are measured at 230VAC input,rated load and 25℃ of ambient temperature.

2. Ripple & noise are measured at 20Mhz of bandwidth by using a 12” twisted pair-wire terminated with a 0.1uf & 47 uf parallel capacitor.