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Help CenterHigh Reliability Single Output Switching Power Supply 252W DC4.2V 60A
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Certification:ISO9001 / CE / ROHS / FCC
High Reliability Single Output Switching Power Supply 252W DC4.2V 60A
Applications:
* Products can be used to street lamps, lawn lamps, sunlight lamps, LED lighting
*Adornment: LED lamp, LED luminaire , LED strips, LED screens, advertisement screens
*Industrial electrical products, machinery and electrical equipment, security system, air purifier
Competitive Advantage:
* CE / ROHS / FCC approval
* 2-3 years warranty
* synchonous rectification
* High efficiency up to 85%
* Protections:Short circuit / Overload / Over voltage / Over temperature
* Ultra-thin 30mm
* Ultra-low start up temp.(- 40℃)
* Small size,ultra-light and easy to install
Features:
* AC input range selectable by switch
* Protections:Short circuit / Overload / Over voltage / Over temperature
* 100% full load burn-in test
* Fixed switching frequency at 90KHz
* Built-in constant current limiting circuit
* Cooling by free air convection
* Withstand 300vac surge input for 5 second
Specifications:
|
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.) |
<250mVp-p |
|
|
Voltage ADJ.Range |
4.05~5.0V |
|
|
Voltage Tolerance |
2.0% |
|
|
Line Regulation |
0.5% |
|
|
Load Regulation |
1.0% |
|
|
Setup,Rise Time |
1000ms,50ms/230VAC |
|
|
Hold up time |
20ms/230VAC |
|
|
INPUT |
Voltage Range |
200-240VAC |
|
Frequency Range |
47-63Hz |
|
|
Efficiency(Typ.) |
83-88% |
|
|
AC Current |
4A/230VAC |
|
|
Inrush Current(max.) |
60A/230VAC |
|
|
Leakage Current |
< 3.5mA /240VAC |
|
|
Protection |
Over Load |
105 ~ 150% rated output power |
|
Protection type: Constant current limiting,recovers automatically after fault condition is removed |
||
|
Over Voltage |
5.2~ 6.3V |
|
|
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℃ (Refer to output load derating curve) |
|
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 |
271.9K hrs min. MIL-HDBK-217F(25℃) |
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