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Professional 252W LED Switching Slim Power Supply with High Reliability

NHI300-4.2-A

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Description

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Professional 252W LED Switching Slim Power Supply with High Reliability?

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Features:

* AC input range selectable by switch

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

* Cooling by free air convection

* Withstand 300vac surge input for 5 second

* Built-in constant current limiting circuit

* 100% full load burn-in test

* Fixed switching frequency at 90KHz

* Low cost,high reliability

* 2 years warranty

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Specifications:

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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. |
3. Tolerance: includes set up tolerance,line regulation and load regulation. |
4. Please connect positive pole of input voltage with mark”L” of terminal block,connect negative pole of input voltage with mark”N” of terminal block,using DC voltage for input voltage |
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Competitive Advantage:

* Ultra-thin 30mm

* Ultra-low start up temp.(- 30℃)

* synchonous rectification

* High efficiency up to 85%

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

* Small size,ultra-light and easy to install

* CE / ROHS / FCC approval

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Company Advantage:

* High quality products

* Short lead time

* Professional R&D team

* Standardized production process

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Applications:

* urban?landscape?lighting

* LED Lighting

* Stage

* Military project

* Communication security equipment

* indoor?and?outdoor?advertising?screens

* New energy and other Various industries

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