Meanwell UHP-350 Series Switching Power Supply

The Meanwell UHP-350 Series Power Supply offers 350W output with 3.3V to 55V options. Fanless, efficient, and includes protection features for industrial use.

Model Number	UHP-350-3.3 , UHP-350-4.2 , UHP-350-5 , UHP-350-12 , UHP-350-15 , UHP-350-24 , UHP-350-36 , UHP-350-48 , UHP-350-55
Brand	MEANWELL

Model Number

UHP-350-3.3

UHP-350-4.2

UHP-350-5

UHP-350-12

UHP-350-15

UHP-350-24

UHP-350-36

UHP-350-48

UHP-350-55

Brand

MEANWELL

Meanwell UHP-350 Series Switching Power Supply Description

The Meanwell UHP-350 Series Switching Power Supply is designed for industrial applications, offering up to 350W output. It is available in multiple voltage options, including 3.3V, 4.2V, 5V, 12V, 15V, 24V, 36V, 48V, and 55V. This series features a slim, fanless design and high efficiency (up to 94%), making it ideal for installations with space constraints and where noise reduction is important. Built-in protection features such as short-circuit, overload, over-voltage, and over-temperature protection ensure the safety and longevity of your equipment. The UHP-350 operates in a wide temperature range and is compliant with global safety standards.

Product Features:
● High Efficiency: Up to 94% for better energy use.
● Multiple Output Options: 3.3V to 55V to suit different applications.
● Fanless Design: Silent operation, ideal for noise-sensitive environments.
● Built-in Protection: Overload, short-circuit, over-voltage, and over-temperature protection.
● Power Factor Correction (PFC): Enhanced energy efficiency.
● Compact, Slim Profile: Perfect for installations with limited space.
● Wide Operating Temperature: -30°C to +70°C.
● Reliable: MTBF of 285K hours at 25°C.
● Certifications: UL62368-1, TUV EN62368-1, and CE marked for safety.

Meanwell UHP-350 Series Switching Power Supply Specification:

MODEL		UHP-350-3.3	UHP-350-4.2	UHP-350-5	UHP-350-12	UHP-350-15	UHP-350-24	UHP-350-36	UHP-350-48	UHP-350-55
OUTPUT	DC VOLTAGE	3.3V	4.2V	5V	12V	15V	24V	36V	48V	55V
	RATED CURRENT	60A	60A	60A	29.2A	23.4A	14.6A	9.75A	7.3A	6.3A
	RATED POWER	198W	252W	300W	350.4W	351W	350.4W	351W	350.4W	350W
	RIPPLE & NOISE (max.) Note.2	150mVp-p	150mVp-p	200mVp-p	200mVp-p	200mVp-p	240mVp-p	240mVp-p	240mVp-p	300mVp-p
	VOLTAGE ADJ. RANGE	3.2~3.5V	3.6~4.4V	4.5~5.5V	11.4~12.6V	14.3~15.8V	22.8~25.2V	34.2~37.8V	45.6~50.4V	45~58V
	VOLTAGE TOLERANCE Note.3	±2.0%	±2.0%	±2.0%	±1.0%	±1.0%	±1.0%	±1.0%	±1.0%	±1.0%
	LINE REGULATION	±0.5%	±0.5%	±0.5%	±0.3%	±0.3%	±0.3%	±0.3%	±0.3%	±0.3%
	LOAD REGULATION	±1.0%	±1.0%	±1.0%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%
	SETUP, RISE TIME	2000ms, 80ms/230VAC; 3000ms, 80ms/115VAC at full load;550ms/230VAC for 55V setup time
	HOLD UP TIME (Typ.)	10ms/230VAC 10ms/115VAC
INPUT	VOLTAGE RANGE Note.4	90 ~ 264VAC 127 ~ 370VDC
	FREQUENCY RANGE	47 ~ 63Hz
	POWER FACTOR (Typ.)	PF≥0.94/230VAC PF≥0.98/115VAC at full load
	EFFICIENCY (Typ.)	88.50%	89%	90%	91%	92%	94%	94%	94%	94%
	AC CURRENT (Typ.)	4A/115VAC 2A/230VAC
	INRUSH CURRENT (Typ.)Note8	Cold start 30A/115VAC 60A/230VAC
	LEAKAGE CURRENT	<0.75mA / 240VAC
PROTECTION		110~140% rated output power
	OVERLOAD	Protection type : Hiccup mode, recovers automatically after fault condition is removed
	OVER VOLTAGE	3.8 ~ 4.6V	4.62 ~ 5.46V	5.75 ~ 6.75V	13.2 ~ 15.6V	16.5 ~ 19.5V	26.4 ~ 31.2V	39.6 ~46.8V	52.8 ~ 62.4V	60 ~ 69V
	OVER VOLTAGE	Protection type :Shut down O/P voltage,re-power on to recover
	OVER TEMPERATURE	Protection type :Shut down O/P voltage, recovers automatically after temperature goes down
FUNCTION	DC OK SIGNAL(Optional)	Contact rating(max.):15Vdc/10mA resistive load
FUNCTION	REDUNDANT(Optional)	For parallel connection protection:For parallel applications, when one PSU can not work , the another one will be automatically enabled. This can prevent the system crash, and provide the reliability of system
ENVIRONMENT	WORKING TEMP.	-30 ~ +70℃(Refer to “Derating Curve")
	WORKING HUMIDITY	20 ~ 95% RH non-condensing
	STORAGE TEMP., HUMIDITY	-40 ~ +85℃, 10 ~ 95% RH non-condensing
	TEMP. COEFFICIENT	±0.03%/℃ (0 ~ 50℃)
	VIBRATION	10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes
SAFETY & EMC (Note.6)	SAFETY STANDARDS	UL 62368-1,TUV EN62368-1,EN60335-1(Except for 55V),CCC GB4943,BSMI CNS14336-1,EAC TP TC 004 approved,Design refer to EN61558-1,-2-16
	WITHSTAND VOLTAGE	I/P-O/P:3.75KVAC I/P-FG:2KVAC O/P-FG:1.25KVAC
	ISOLATION RESISTANCE	I/P-O/P, I/P-FG,O/P-FG:100M Ohms/500VDC/25℃/ 70%RH
	EMC EMISSION	Compliance to EN55032,GB9254,Class B, EN55014,EN61000-3-2,-3, BSMI CNS13438, EAC TP TC 020
	EMC IMMUNITY	Compliance to EN61000-4-2,3,4,5,6,8,11;EN61000-6-2 (EN50082-2), heavy industry level ,criterial A,EAC TP TC 020
OTHERS	MTBF	285 K hrs min. MIL-HDBK-217F (25℃)
	DIMENSION	2206231mm (LWH)
	PACKING	0.68 kg;16 pcs/11.88 kg/0.63CUFT
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. Derating may be needed under low input voltages. Please check the derating curve for more details.
	5. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft)
	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. For guidance on how to perform these EMC tests, please refer to EMl testing of component power supplies.
	(as available on http://www.meanwell.com)
	7. R type efficiency slightly less than the Blank type, according to the actual measurement. 8.lnrush current parameter has 10% tolerance.
	※ Product Liability Disclaimer：For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

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Meanwell UHP-350 Series Switching Power Supply Specification

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