Meanwell LRS-450 Series Switching Power Supply

The Meanwell LRS-450 is a reliable 450W switching power supply with protection features and efficient cooling, designed for industrial and automation use.

Model Number

LRS-450-5, LRS-450-12, LRS-450-15, LRS-450-24, LRS-450-36, LRS-450-48

Meanwell LRS-450 Series Switching Power Supply Description

The Meanwell LRS-450 series is a highly reliable 450W single-output enclosed type power supply, designed with a compact 35mm low-profile form factor. This versatile power supply can be used in various industrial and automation applications. The LRS-450 offers high efficiency (up to 92%) and features a wide input voltage range (selectable via switching: 115VAC or 230VAC), with output voltages of 5V, 12V, 15V, 24V, 36V, and 48V. With its built-in fan for forced air cooling and excellent protection features, this power supply ensures reliable operation in demanding environments.

Product Features:
● Wide Input Voltage Range: Selectable by switch, supports 115VAC or 230VAC input for flexibility in different regions.
● High Efficiency: Achieves up to 92% efficiency, ensuring energy savings and reduced operational costs.
● Built-in Cooling Fan: Forced air cooling with ON-OFF control for optimal heat dissipation.
● Protections: Includes short circuit, overload, overvoltage, and overtemperature protections to safeguard the power supply and connected devices.
● High Operating Temperature: Can operate at full load in temperatures up to 70°C, ideal for harsh industrial environments.
● 5G Anti-Vibration: Withstands 5G vibration testing, ensuring durability and stability in tough conditions.
● High Altitude Operation: Suitable for operation at altitudes up to 5000 meters.
● Compact 1U Low-Profile Design: Ideal for space-constrained installations in industrial control systems and machinery.
● MTBF > 1,000,000 hours: Designed for long-lasting performance with high reliability.

Applications:
● Industrial automation machinery
● Industrial control systems
● Mechanical and electrical equipment
● Electronic instruments, equipment, or apparatus

Meanwell LRS-450 Series Switching Power Supply Specification:

MODEL		LRS-450-5	LRS-450-12	LRS-450-15	LRS-450-24	LRS-450-36	LRS-450-48
OUTPUT	DC VOLTAGE	5V	12V	15V	24V	36V	48V
	RATED CURRENT	75A	37.5A	30A	18.8A	12.5A	9.4A
	CURRENT RANGE	0 ~ 75A	0 ~ 37.5A	0 ~ 30A	0 ~ 18.8A	0 ~ 12.5A	0 ~ 9.4A
	RATED POWER	375W	450W	450W	451.2W	450W	451.2W
	RIPPLE & NOISE (max.) Note.2	200mVp-p	200mVp-p	200mVp-p	240mVp-p	360mVp-p	360mVp-p
	VOLTAGE ADJ. RANGE Note.3	4.75 ~ 5.5V	11.4 ~ 13.2V	14.25 ~ 16.5V	22.8 ~ 26.4V	34.2 ~ 39.6V	45.6 ~ 52.8V
	VOLTAGE TOLERANCE Note.4	±2.0%	±1.5%	±1.0%	±1.0%	±1.0%	±1.0%
	LINE REGULATION Note.5	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%
	LOAD REGULATION Note.6	±2.0%	±1.0%	±0.5%	±0.5%	±0.5%	±0.5%
	SETUP, RISE TIME Note.7	1500ms, 50ms/230VAC 1500ms,50ms/115VAC at full load
	HOLD UP TIME (Typ.)	16ms/230VAC 12ms/115VAC at full load
INPUT	VOLTAGE RANGE Note.8	90 ~ 132VAC / 180 ~ 264VAC by switch 255 ~ 370VDC (swith on 230VAC)
	FREQUENCY RANGE	47 ~ 63Hz
	EFFICIENCY (Typ.)	87%	90%	90%	91%	92%	92%
	AC CURRENT (Typ.)	10A/115VAC 6A/230VAC
	INRUSH CURRENT (Typ.)	35A/115VAC 60A/230VAC
	LEAKAGE CURRENT	<2mA / 240VAC
PROTECTION (Note.9)	OVER LOAD	105 ~ 150% rated output power
	OVER LOAD	Constant current limiting, unit will shutdown after 3 sec. re-power on to recover
	OVER VOLTAGE	5.75 ~ 6.75V	13.8 ~ 16.2V	18 ~ 21V	27.6 ~ 32.4V	41.4 ~ 48.6V	55.2 ~ 64.8V
	OVER VOLTAGE	Protection type : Shut down o/p voltage, re-power on to recover
	OVER TEMPERATURE	Shut down o/p voltage, re-power on to recover
FUNCTION	FAN ON/OFF CONTROL (Typ.)	RTH3≧50℃ FAN ON, ≦40℃ FAN OFF
ENVIRONMENT	WORKING TEMP.	-20 ~ +70℃ (Refer to "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./1cycle, 60min. each along X, Y, Z axes
SAFETY	SAFETY STANDARDS	BS IEC/UL 62368-1, BSMI CNS14336-1, EAC TP TC 004,BIS IS13252(Part1): 2010/IEC 60950-1: 2005,
	SAFETY STANDARDS	AS/NZS62368.1 approved
	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 BSMI CNS13438, EAC TP TC 020
	EMC IMMUNITY	Compliance to EAC TP TC 020
OTHERS	MTBF	1508.9K hrs min. Telcordia SR-332(Bellcore) ; 252.2K hrs min. MIL-HDBK-217F (25℃)
	DIMENSION	22512435mm (LWH)
	PACKING	0.85Kg/15pcs/14.11Kg/0.85CUFT
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. Voltage adjustment can only be operated within the input range of 100~120VAC or 200-240VAC. lf the voltage adjustment is performed outside this range, it may cause abnormal output.
	4. Tolerance : includes set up tolerance, line regulation and load regulation.
	5. Line regulation is measured from low line to high line at rated load.
	6. Load regulation is measured from 0% to 100% rated load.
	7. Length of set up time is measured at cold start. Turning the power supply on/off frequently may lead to increase of the set up time.
	8. Derating may be needed under low input voltages. Please refer to"Static Characteristics" sections for details.
	9. Once protections are triggered, 3min(Typ.) of cold down time is required before restart.
	10. The ambient temperature derating of 5℃/1000m is needed for operating altitude greater than 2000m(6500ft).
	11. This power supply does not meet the harmonic current requirements outlined by EN61000-3-2. Please do not use this power supply under the following conditions:
	a) the end-devices is used within the European Union, and
	b) the end-devices is connected to public mains supply with 220Vac or greater rated nominal voltage, and
	c) the power supply is:
	- installed in end-devices with average or continuous input power greater than 75W, or
	- belong to part of a lighting system Exception:
	Power supplies used within the following end-devices do not need to fulfill EN61000-3-2
	a) professional equipment with a total rated input power greater than 1000W;
	b) symmetrically controlled heating elements with a rated power less than or equal to 200W
	※ Product Liability Disclaimer：For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

Download Resource:
Meanwell LRS-450 Series Switching Power Supply Specification

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Model Number	LRS-450-5, LRS-450-12, LRS-450-15, LRS-450-24, LRS-450-36, LRS-450-48

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SKU: MWLRS450XX Categories: I = 11-30A, Switching Power Supply, U = 5.0VDC, Vin = 100-240VAC

Description

MODEL		LRS-450-5	LRS-450-12	LRS-450-15	LRS-450-24	LRS-450-36	LRS-450-48
OUTPUT	DC VOLTAGE	5V	12V	15V	24V	36V	48V
	RATED CURRENT	75A	37.5A	30A	18.8A	12.5A	9.4A
	CURRENT RANGE	0 ~ 75A	0 ~ 37.5A	0 ~ 30A	0 ~ 18.8A	0 ~ 12.5A	0 ~ 9.4A
	RATED POWER	375W	450W	450W	451.2W	450W	451.2W
	RIPPLE & NOISE (max.) Note.2	200mVp-p	200mVp-p	200mVp-p	240mVp-p	360mVp-p	360mVp-p
	VOLTAGE ADJ. RANGE Note.3	4.75 ~ 5.5V	11.4 ~ 13.2V	14.25 ~ 16.5V	22.8 ~ 26.4V	34.2 ~ 39.6V	45.6 ~ 52.8V
	VOLTAGE TOLERANCE Note.4	±2.0%	±1.5%	±1.0%	±1.0%	±1.0%	±1.0%
	LINE REGULATION Note.5	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%
	LOAD REGULATION Note.6	±2.0%	±1.0%	±0.5%	±0.5%	±0.5%	±0.5%
	SETUP, RISE TIME Note.7	1500ms, 50ms/230VAC 1500ms,50ms/115VAC at full load
	HOLD UP TIME (Typ.)	16ms/230VAC 12ms/115VAC at full load
INPUT	VOLTAGE RANGE Note.8	90 ~ 132VAC / 180 ~ 264VAC by switch 255 ~ 370VDC (swith on 230VAC)
	FREQUENCY RANGE	47 ~ 63Hz
	EFFICIENCY (Typ.)	87%	90%	90%	91%	92%	92%
	AC CURRENT (Typ.)	10A/115VAC 6A/230VAC
	INRUSH CURRENT (Typ.)	35A/115VAC 60A/230VAC
	LEAKAGE CURRENT	<2mA / 240VAC
PROTECTION (Note.9)	OVER LOAD	105 ~ 150% rated output power
	OVER LOAD	Constant current limiting, unit will shutdown after 3 sec. re-power on to recover
	OVER VOLTAGE	5.75 ~ 6.75V	13.8 ~ 16.2V	18 ~ 21V	27.6 ~ 32.4V	41.4 ~ 48.6V	55.2 ~ 64.8V
	OVER VOLTAGE	Protection type : Shut down o/p voltage, re-power on to recover
	OVER TEMPERATURE	Shut down o/p voltage, re-power on to recover
FUNCTION	FAN ON/OFF CONTROL (Typ.)	RTH3≧50℃ FAN ON, ≦40℃ FAN OFF
ENVIRONMENT	WORKING TEMP.	-20 ~ +70℃ (Refer to "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./1cycle, 60min. each along X, Y, Z axes
SAFETY	SAFETY STANDARDS	BS IEC/UL 62368-1, BSMI CNS14336-1, EAC TP TC 004,BIS IS13252(Part1): 2010/IEC 60950-1: 2005,
	SAFETY STANDARDS	AS/NZS62368.1 approved
	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 BSMI CNS13438, EAC TP TC 020
	EMC IMMUNITY	Compliance to EAC TP TC 020
OTHERS	MTBF	1508.9K hrs min. Telcordia SR-332(Bellcore) ; 252.2K hrs min. MIL-HDBK-217F (25℃)
	DIMENSION	22512435mm (LWH)
	PACKING	0.85Kg/15pcs/14.11Kg/0.85CUFT
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. Voltage adjustment can only be operated within the input range of 100~120VAC or 200-240VAC. lf the voltage adjustment is performed outside this range, it may cause abnormal output.
	4. Tolerance : includes set up tolerance, line regulation and load regulation.
	5. Line regulation is measured from low line to high line at rated load.
	6. Load regulation is measured from 0% to 100% rated load.
	7. Length of set up time is measured at cold start. Turning the power supply on/off frequently may lead to increase of the set up time.
	8. Derating may be needed under low input voltages. Please refer to"Static Characteristics" sections for details.
	9. Once protections are triggered, 3min(Typ.) of cold down time is required before restart.
	10. The ambient temperature derating of 5℃/1000m is needed for operating altitude greater than 2000m(6500ft).
	11. This power supply does not meet the harmonic current requirements outlined by EN61000-3-2. Please do not use this power supply under the following conditions:
	a) the end-devices is used within the European Union, and
	b) the end-devices is connected to public mains supply with 220Vac or greater rated nominal voltage, and
	c) the power supply is:
	- installed in end-devices with average or continuous input power greater than 75W, or
	- belong to part of a lighting system Exception:
	Power supplies used within the following end-devices do not need to fulfill EN61000-3-2
	a) professional equipment with a total rated input power greater than 1000W;
	b) symmetrically controlled heating elements with a rated power less than or equal to 200W
	※ Product Liability Disclaimer：For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx

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