AC DC Slim LED Display Power Supply 60A 252Watts variable switching power supply NHI300-4.2-A manufacturer from China Shenzhen G-Orient Technology Co.,Ltd

AC DC Slim LED Display Power Supply 60A 252Watts variable switching power supply

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: NHI300-4.2-A

AC DC Slim LED Display Power Supply 60A 252 Watts variable switching power supply Applications:<

AC DC Slim LED Display Power Supply 60A 252 Watts variable switching power supply

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

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

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	3.78~4.62V
	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
	Over Load	Protection type: Constant current limiting,recovers automatically after fault condition is removed
	Over Voltage	4.83~ 5.88V
	Over Voltage	Protection type: Shut down O/P voltage,re-power on to recover
	Over Temperature	90 +/- 5
	Over Temperature	Protection type: Shut down O/P voltage,recovers automatically after temperature goes down
Function	Fan on/off control(Typ.)	RTH250 Fan on,45 Fan off
Environment	Working Temp.	-40 ~ +60 (Refer to output load derating curve)
	Working Humidity	20 ~ 90% RH, non-condensing
	Storage Temp., Humidity	-40 ~ +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)
	Dimension	19611030mm (LWH)
	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

Company Advantage:
* High quality products
* Short lead time
* Professional R&D team
* Standardized production process

Competitive Advantage:
* Ultra-thin 30mm
* Ultra-low start up temp.(- 40)
* 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
* 2-3 years warranty