Reliable 25W Single Output Switching Power Supply Factory

1, switching power supply metal shell power supply shell is generally connected with the ground (FG), to be reliably grounded, to ensure safety, can not be mistakenly connected to the shell on the zero line; 2. Before the installation of switching power supply is completed and powered for trial use, please check and proofread the connection on the terminals again, and make sure that the input and output, AC and DC, single-phase and multi-phase, positive and negative, voltage and current values are correct, and can be powered on. 3, for high-power switching power supply, there are generally two or more than two "+" output terminals "-" "output terminals, in fact, they belong to an output electrode, just for the convenience of users wiring, and the multiple terminals respectively in the internal and connected together;4. In order to achieve full heat dissipation, the general switching power supply should be installed in the position of better air convection conditions, or installed on the chassis shell through the shell to transmit the heat outdoors; 5. Switching power supply is tested with resistive load before delivery. If it needs to be used in capacitive or inductive load, it should be explained in the order contract in advance. 6, for double switching power supply output symmetrical load, the preferred symmetric output power supply;25W Single Output Switching Power Supply NES-25 series Universal AC input / Full range Protections: Short circuit / Overload / Over voltage Cooling by free air convection 100% full load burn-in test 2 year warranty

Notes for switching power supply

Features

Specifications

SPECIFICATION
OUTPUT
Model	NES-25-5	NES-25-12	NES-25-15	NES-25-24	NES-25-48
DC Voltage	5V	12V	15V	24V	48V
Rated Current	5A	2.1A	1.7A	1.1A	0.57A
Current Range	0 ~ 5A	0 ~ 2.1A	0 ~ 1.7A	0 ~ 1.1A	0 ~ 0.57A
Rated Power	25W	25.2W	25.5W	26.4W	27.36W
Ripple & Noise	80mVp-p	120mVp-p	150mVp-p	200mVp-p	240mVp-p
Voltage Adj. Range	4.75~5.5V	10.8~13.2V	13.5~16.5V	21.6~26.4V	43.2~52.8V
Voltage Tolerance	±2.0%	±1.0%	±1.0%	±1.0%	±1.0%
Line Regulation	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%
Load Regulation	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%
Setup, Rise Time	500ms, 30ms/230VAC 1200ms, 30ms/115VAC at full load
Hold Up Time	50ms/230VAC 10ms/115VAC at full load
INPUT
Voltage Range	85 ~ 264VAC 120 ~ 370VDC
Frequency Range	47 ~ 63Hz
Efficiency	78%	83%	84%	86%	86%
AC Current	0.55A/115VAC 0.35A/230VAC
Inrush Current	Cold Start 45A
Leakage Current	<2mA / 240VAC
PROTECTION
Over Load	110 ~ 150% rated output power
Over Load	Protection type: Hiccup mode, recovers automatically after fault condition is removed
Over Voltage	5.75~6.75V	13.8~16.2V	17.25~20.25V	27.6~32.4V	55.2~64.8V
Over Voltage	Protection type: Shut down o/p voltage, re-power on to recover
ENVIRONMENT
Working Temp.	-20 ~ +60℃ (Refer to “Derating Curve”)
Working Humidity	20 ~ 90% RH non-condensing
Storage Temp., Humidity	-40 ~ +85℃, 10 ~ 95% RH
Temp. Coefficient	±0.03%/℃ (0 ~ 45℃)
Vibration	10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
SAFETY & EMC
Safety Standards	Design refer to UL60950-1, CB(IEC60950-1),CCC GB4943
Withstand Voltage	I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
Isolation Resistance	I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃ / 70% RH
EMC Emission	Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3
EMC Immunity	Compliance to EN61000-4-2, 3, 4, 5, 6, 8,11, EN55024, EN61000-6-1, light industry level, criteria A
OTHERS
Dimension	998235mm (LWH)
Weight	0.3Kg
Packing	45pcs/14.5Kg/0.66CUFT
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 & 47uf parallel capacitor. 3. Tolerance: includes set up tolerance, line regulation and load regulation. 4. Line regulation is measured from low line to high line at rated load. 5. Load regulation is measured from 0% to 100% rated load. 6. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives.