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Mean Well LRS-350-24 Power Supply — 350W 24V 14.6A

4.7 (17 reviews)
Constant VoltageCB/CE/CQC/EAC Certified90-264VAC Universal Input3-Year Warranty
SKU LRS-350-24
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Select model — 9 in this family

LRS-350-24
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Overview

LRS-350-24 is the 24V output model of this series: rated current 14.6A, rated power 350.4W, typical efficiency 88%.

LRS-350 series is a 350W single-output enclosed type power supply with 30mm of low profile design. Adopting the input of 115VAC or 230VAC (select by switch), the entire series provides an output voltage line of 3.3V, 4.2V, 5V, 12V, 15V, 24V, 36V and 48V. In addition to the high efficiency up to 89%, with the built-in long life fan LRS-350 can work under -25~+70℃ with full load. Delivering an extremely low no load power consumption (less than 0.75W), it allows the end system to easily meet the worldwide energy requirement. LRS-350 has the complete protection functions and 5G anti-vibration capability; it is complied with the international safety regulations such as IEC/UL 62368-1. LRS-350 series serves as a high price-to-performance power supply solution for various industrial applications.

Features

  • AC input range selectable by switch
  • Withstand 300VAC surge input for 5 second
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Forced air cooling by built-in DC fan
  • Built-in cooling Fan ON-OFF control
  • 1U low profile
  • Withstand 5G vibration test
  • LED indicator for power on
  • No load power consumption<0.75W
  • 100% full load burn-in test
  • High operating temperature up to 70℃
  • Operating altitude up to 5000 meters (Note.8)
  • High efficiency, long life and high reliability
  • 3 years warranty

Specifications

LRS-350-24Specifications from the official datasheet (2025-09-12 edition)

OUTPUT

DC VOLTAGE
24V
RATED CURRENT
14.6A
CURRENT RANGE
0 ~ 14.6A
RATED POWER
350.4W
RIPPLE & NOISE (max.)Note.2
150mVp-p
VOLTAGE ADJ. RANGE
21.6 ~ 28.8V
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATIONNote.4
±0.5%
LOAD REGULATIONNote.5
±0.5%
SETUP, RISE TIME
1500ms, 50ms/230VAC 1500ms,50ms/115VAC at full load
HOLD UP TIME (Typ.)
16ms/230VAC 12ms/115VAC at full load

INPUT

VOLTAGE RANGE
90 ~ 132VAC / 180 ~ 264VAC by switch 240 ~ 370VDC (switch on 230VAC)
FREQUENCY RANGE
47 ~ 63Hz
EFFICIENCY (Typ.)
88%
AC CURRENT (Typ.)
6.8A/115VAC 3.4A/230VAC
INRUSH CURRENT (Typ.)
60A/115VAC 60A/230VAC
LEAKAGE CURRENT
<2mA / 240VAC

PROTECTION

OVER LOAD
110 ~ 140% rated output power 3.3~36V Hiccup mode, recovers automatically after fault condition is removed. 48V Shut down and latch off o/p voltage, re-power on to recover.
OVER VOLTAGE
28.8 ~ 33.6V 3.3~36V Hiccup mode, recovers automatically after fault condition is removed. 48V Shut down and latch off o/p voltage, re-power on to recover.
OVER TEMPERATURE
3.3~36V Hiccup mode, recovers automatically after fault condition is removed. 48V Shut down and latch off o/p voltage, re-power on to recover.

FUNCTION (Typ.)

FAN ON/OFF CONTROL
RTH3≧50℃ FAN ON, ≦40℃ FAN OFF

ENVIRONMENT

WORKING TEMP.
-25 ~ +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
OVER VOLTAGE CATEGORY
Ⅲ: According to EN61558, EN50178, EN60664-1, EN62477-1; altitude up to 2000 meters

SAFETY & EMC (Note.9)

SAFETY STANDARDS
IEC/UL 62368-1,BSMI CNS15598-1,EAC TP TC 004,KC62368-1(for LRS-350-12/24 only),GB 4943.1, BIS IS13252(Part1): 2010/IEC 60950-1: 2005(NOTE 12),BS EN/EN61558-1, BS EN61558-2-16 Designed by AS/NZS 61558.1/2.16, AS/NZS 62368.1,BS EN/EN62368-1,
WITHSTAND VOLTAGE
I/P-O/P:3.75KVAC 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 CNS15936, EAC TP TC 020,KS C 9832, KS C 9835(for LRS-350-12/24 only)
EMC IMMUNITY
Compliance to BS EN/EN55035, EAC TP TC 020,KS C 9832, KS C 9835(for LRS-350-12/24 only)

OTHERS

MTBF
2099.9K hrs min. Telcordia SR-332 (Bellcore) ; 328.6Khrs min. MIL-HDBK-217F (25℃)
DIMENSION
215*115*30mm (L*W*H)
PACKING
0.76Kg; 15pcs/12.4Kg/0.67CUFT
Test conditions and notes12
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
  2. 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. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. Line regulation is measured from low line to high line at rated load.
  5. 5. Load regulation is measured from 0% to 100% rated load.
  6. 6. Length of set up time is measured at cold first start. Turning ON/OFF the power supply very quickly may lead to increase of the set up time.
  7. 7. The 150% peak load capability is built in for up to 1 second for 12~48V.LRS-350 will enter hiccup mode if the peak load is delivered for over 1 second and will recover once it resumes to the rated current level(115VAC/230VAC).
  8. 8. The ambient temperature derating of 5℃/1000m is needed for operating altitude greater than 2000m(6500ft).
  9. 9. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. 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 “EMI testing of component power supplies.” (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf)
  10. 10. This power supply does not meet the harmonic current requirements outlined by BS EN/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 BS EN/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
  11. 11. RCM is on voluntary basis and meets relevant IEC or AS/NZS standards complying with AS/NZS 4417.1.
  12. 12. Some model may not have the BIS logo, please contact your MEAN WELL sales for more information.

Technical drawings

LRS-350-24 Block Diagram
Block Diagram
LRS-350-24 Mechanical Specification
Mechanical Specification

Typical applications

  • Industrial automation machinery
  • Industrial control system
  • Mechanical and electrical equipment
  • Electronic instruments, equipments or apparatus

Downloads

FAQ

What industrial systems is the LRS-350-24 designed to power?

The LRS-350-24 delivers 24V DC at 14.6A, the standard control bus voltage for PLCs, servo drives, multi-axis motion controllers, industrial HMIs, and pneumatic solenoid arrays. Its 350.4W output capacity handles high-density 24V panel loads without the need for parallel supplies.

Is the LRS-350-24 suitable for use in high-temperature environments?

The LRS-350-24 is rated for operation from -25°C to +70°C, with output derating required at higher ambient temperatures according to the datasheet derating curve. It has a built-in fan with automatic on/off control (on at ≥50°C, off at ≤40°C), and humidity is specified as 20–90% RH non-condensing, so it should be installed indoors or inside a protective enclosure; the datasheet lists no IP rating.

How does the LRS-350-24 compare to other voltage options in the LRS-350 series?

The LRS-350 series offers multiple output voltages to match different system requirements. The available variants (with rated power, voltage, and current) are: LRS-350-3.3: 198W, 3.3V, 60A; LRS-350-4.2: 252W, 4.2V, 60A; LRS-350-5: 300W, 5V, 60A; LRS-350-12: 348W, 12V, 29A; LRS-350-15: 348W, 15V, 23.2A; LRS-350-36: 349.2W, 36V, 9.7A; LRS-350-48: 350.4W, 48V, 7.3A. The LRS-350-24 itself is rated at 350.4W, 24V, 14.6A. All share the same 90–132VAC / 180–264VAC input selected by a 115/230VAC switch and an operating temperature of -25°C to +70°C (with derating per the derating curve).

How do I determine if the LRS-350-24 has enough headroom for my load?

The LRS-350-24 is rated at 350.4W output. Best practice is to keep continuous load at or below 80% of rated capacity, which for this unit is approximately 280.3W sustained draw. The 24V output at 14.6A gives the total current budget across all loads sharing this supply.

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Customer reviews

4.7 Reviews verified for authenticity
5 ★ (13)
4 ★ (3)
3 ★ (1)
2 ★ (0)
1 ★ (0)

Reviewed by 17 customers across the LRS series

  1. Cheap and reliable enclosed PSU

    By Ravi N.|2026-06-14✓ Verified Buyer
    Model: LRS-50-24Quantity: 10

    LRS-50-24 powers our sensor rack. Great price, no fuss.

  2. Good budget option

    By Kelly B.|2026-05-20✓ Verified Buyer
    Model: LRS-100-24Quantity: 4

    Runs a bit warm in a sealed box — add airflow. Otherwise solid.

  3. Standardised on these

    By FitOut Ltd|2026-04-25
    Model: LRS-350-24Quantity: 25

    Use LRS across all our retail fit-outs now.

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Mean Well LRS-350-24 Power Supply — 350W 24V 14.6A
Mean Well

Mean Well LRS-350-24 Power Supply — 350W 24V 14.6A

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LRS-350-24 is the 24V output model of this series: rated current 14.6A, rated power 350.4W, typical efficiency 88%.

LRS-350 series is a 350W single-output enclosed type power supply with 30mm of low profile design. Adopting the input of 115VAC or 230VAC (select by switch), the entire series provides an output voltage line of 3.3V, 4.2V, 5V, 12V, 15V, 24V, 36V and 48V. In addition to the high efficiency up to 89%, with the built-in long life fan LRS-350 can work under -25~+70℃ with full load. Delivering an extremely low no load power consumption (less than 0.75W), it allows the end system to easily meet the worldwide energy requirement. LRS-350 has the complete protection functions and 5G anti-vibration capability; it is complied with the international safety regulations such as IEC/UL 62368-1. LRS-350 series serves as a high price-to-performance power supply solution for various industrial applications.

Features

  • AC input range selectable by switch
  • Withstand 300VAC surge input for 5 second
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Forced air cooling by built-in DC fan
  • Built-in cooling Fan ON-OFF control
  • 1U low profile
  • Withstand 5G vibration test
  • LED indicator for power on
  • No load power consumption<0.75W
  • 100% full load burn-in test
  • High operating temperature up to 70℃
  • Operating altitude up to 5000 meters (Note.8)
  • High efficiency, long life and high reliability
  • 3 years warranty

Typical applications

  • Industrial automation machinery
  • Industrial control system
  • Mechanical and electrical equipment
  • Electronic instruments, equipments or apparatus

Model

  • 35W 24V
  • 50W 24V
  • 75W 24V
  • 100W 24V
  • 150W 24V
  • 200W 24V
  • 350W 24V
  • 450W 24V
  • 600W 24V
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