LED Display Panel Power Supply 4.5v 60a 270Watts for Led Advertising Screen

Product Details:

Place of Origin:	China
Brand Name:	G-ORIENT
Certification:	ISO9001 / CE / ROHS / FCC
Model Number:	NHI300-4.5-A

Payment & Shipping Terms:

Minimum Order Quantity:	10pcs
Price:	negotiable
Packaging Details:	20pcs/20Kgs / CARTONS,Carton Size:312124cm
Delivery Time:	10 - 15 working days after received your payment
Payment Terms:	T/T, Paypal, Western Union, L/C
Supply Ability:	50,000pcs per month

Contact Now

Detailed Product Description

Product Name:	LED Display Power Supply	Size:	19611030mm
Output Power:	270W	Input:	200-240V AC
Output:	4.5V DC / 60A	High Efficienc:	85%
Operating Temperature:	-40℃ ~ +60℃	Output Type:	Single
IP Grade:	IP20	Standard:	CE / ROHS / FCC
High Light:	switched power supply , led sign power supply

LED Display Panel Power Supply 4.5v 60a 270Watts for Led Advertising Screen

Applications:
* LED Lighting
* Military project
* urban landscape lighting
* Communication security equipment
* indoor and outdoor advertising screens
* New energy and other Various industries

Features:
* 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

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

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

Specifications:

Switching power supply		NHI300-4.5-A
OUTPUT	DC Voltage	4.5V
	Current Range	0~60A
	Rated Current	60A
	Rated Power	270W
	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
	Over Load	Protection type: Constant current limiting,recovers automatically after fault condition is removed
	Over Voltage	5.2~ 6.3V
	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.)	RTH2≧50℃ 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