Name: 270W Regulated Switch Power Supply , Universal AC200 - 240V Input
Brand: China Mobile Phone Charger Online Marketplace
SKU: NHI300-4.5-A
Availability: InStock

Home Products Switch Power Supply

270W Regulated Switch Power Supply , Universal AC200 - 240V Input

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
Delivery Time:	10 working days after received your payment
Payment Terms:	T/T, Paypal, L/C, Western Union
Supply Ability:	50,000pcs per month

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Detailed Product Description

Output Power:	270W	Input:	200-240V AC
Output:	4.5V DC / 60A	Operating Temperature:	-40℃ ~ +60℃
High Efficiency:	85%	Case Material:	Metal, Aluminium
Highlight:	switching power supply , single output switching power supply

270W Regulated Switch Power Supply 4.5V 60A, Universal AC200-240V Input

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	19011030mm (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

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

Features:
* AC input range selectable by switch
* 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
* Protections:Short circuit / Overload / Over voltage / Over temperature

Competitive Advantage:
* Ultra-thin 30mm
* Ultra-low start up temp.(- 40℃)
* synchonous rectification
* High efficiency up to 85%
* Small size,ultra-light and easy to install
* CE / ROHS / FCC approval
* Protections:Short circuit / Overload / Over voltage / Over temperature

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

Ratings & Review

Overall Rating

3.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

33%

4 stars

3 stars

2 stars

67%

1 stars

All Reviews

W*s

Saint Vincent and the Grenadines Oct 28.2025

trustpilot.com

Helpful (8987)

"I love how the Pico 4 handles IPD adjustment. The manual slider is intuitive and stays securely in place. Getting the IPD just right eliminated！

Wanzan

Brazil Oct 23.2025

Helpful (1w+)

"The Pico 4's visual clarity is fantastic once you dial in the IPD correctly. The manual adjustment is smooth, and finding that sweet spot makes all the difference. No more eye strain during long sessions. Highly recommend taking the time to set it up properly!""The Pico 4's visual clarity is fantastic once you dial in the IPD correctly. The manual adjustment is smooth, and finding that sweet spot makes all the difference. No more eye strain during long sessions. Highly recommend taking the time to set it up properly!""The Pico 4's visual clarity is fantastic once you dial in the IPD correctly. The manual adjustment is smooth, and finding that sweet spot makes all the difference. No more eye strain during long sessions. Highly recommend taking the time to set it up properly!""The Pico 4's visual clarity is fantastic once you dial in the IPD correctly. The manual adjustment is smooth, and finding that sweet spot makes all the difference. No more eye strain during long sessions. Highly r

Lily

Brazil Oct 21.2025