Meanwell NEL-300 Series Power Supply

Meanwell NEL-300 Series Switching Power Supply

The Meanwell NEL-300 Series Power Supply provides reliable and efficient power with multiple voltage options (2.8V, 4.2V, 5V). Ideal for LED displays and industrial applications.

Model Number	NEL-300-2.8 , NEL-300-4.2 , NEL-300-5

Model Number

NEL-300-2.8

NEL-300-4.2

NEL-300-5

Meanwell NEL-300 Series Switching Power Supply

The Meanwell NEL-300 Series Switching Power Supply provides reliable and efficient power for various industrial and LED display applications. This series is designed to deliver stable performance with a wide input voltage range and multiple output voltage options, including 2.8V, 4.2V, and 5V. With features such as active power factor correction (PFC) and built-in protections, the NEL-300 series ensures optimal safety and reliability in demanding environments.

Product Features:
● Wide input voltage range: 180-264VAC (or 254-370VDC with switch) for global compatibility.
● High efficiency: Up to 91%, reducing energy waste and enhancing system performance.
● Multiple output voltage options: Available in 2.8V, 4.2V, and 5V to accommodate different power needs.
● Compact and lightweight design: Ideal for tight spaces in industrial and LED display setups.
● Built-in protection features: Short-circuit, overload, and over-voltage protection to safeguard equipment.
● Active Power Factor Correction (PFC): Ensures improved energy efficiency and reduced harmonic distortion.
● Reliable performance: Designed for long-term operation in harsh industrial environments.
● Cooling method: Fanless design with natural convection for quiet operation.
● Safety certified: UL, CE, and TUV certified, meeting industry safety standards.

Meanwell NEL-300 Series Switching Power Supply Specification:

MODEL		NEL-300-2.8	NEL-300-4.2	NEL-300-5
OUTPUT	DC VOLTAGE	2.8V	4.2V	5V
	RATED CURRENT	60A	60A	60A
	CURRENT RANGE	0 ~60A	0 ~60A	0 ~60A
	RATED POWER	168W	252W	300W
	RIPPLE&NOISE (max.) Note.2	150mvp-p	150mvp-p	150mvp-p
	VOLTAGE ADJ RANGE	2.5~3V	3.6 ~4.4V	4.5V~5.5V
	VOLTAGE TOLERANCE Note.3	+3%,-4.5%	+3%,-4.5%	士3.0%
	LINE REGULATION	±0.5%	±0.5%	士0.5%







	LOAD REGULATION	土2.5%	士2.5%	土2.0%
	SETUP, RISE TIME	2500ms, 50ms/230VAC
	HOLDUP TIME (TY P.)	20ms/230VAC
INPUT	VOLTAGE RANGE	180-264VAC 254-370VDC
	FREQUENCY RANGE	47~ 63HZ
	EFFICIENCY(TY P.)	81%	85%	86%
	ACCURRENT(TYP.)	2.5A/230VAC	3A/230VAC	4A/230VAC
	INRUSH CURRENT(TYP.)	100A/230VAC
	LEAKAGE CURRENT	<1mA 240VAC
PROTECTION	OVERLOAD	105~ 140% rated output power
		protection type : Hiccup mode, recovers automatically after fault condition is removed
	OVER VOLTAGE	3.22 ~3.78V	4.6 ~5.4V	5.6 ~ 7V
	OVER VOLTAGE	protection type :Hiccupmode, recoversautomaticallyafterfaultcondition is removed
	OVER TEMPERATURE	shutdown o/pvoltage, recoversautomaticalyaftertemperature goesdown
ENV IRON WENT	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	t0.03%/℃ (0 ~50℃)
	VIBRATION	10~500Hz,3G 10min./1cycle,60min.each along X, Y,Z axes
SAFETY	SAFETY STANDARDS	UL60950-1 approved
	WITHSTAND VOLTAGE	I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
	ISOLATION RESISTANCE	IP-0/P, IP-FG,O/P-FG:100M ohms/500VDCI25℃I70% RH
OTHERS	MTBF	235k hrs min. MIL-HD BK-217F (25℃)
	DIMENSION	215*115"30mm (L"W"H)
	PACKING	0.8kg;15PCS/13kg/0.78CUF T
NOTE	1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25'c of ambient temperature. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor 3.Tolerance : includes set up tolerance, line regulation and load regulation.

Download Resource:
Meanwell NEL-300 Series Switching Power Supply Specification

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