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Mean Well LRS-350-24 DC Switching Power Supply, 24V 14.6A 350W
MEAN WELL

Mean Well LRS-350-24 DC Switching Power Supply, 24V 14.6A 350W

Bottom line: The Mean Well LRS-350-24 DC Switching Power Supply: Full 350W continuous at 24V / 14.6A, enough for long LED runs or a 24V 3D printer; main trade-off: input switch ships on 115VAC; forget to flip it on 230V lines and you risk damage.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Full 350W continuous at 24V / 14.6A, enough for long LED runs or a 24V 3D printer
  • ✓ 88% efficiency keeps waste heat low inside tight enclosures
  • ✓ Switchable 90-132VAC / 180-264VAC input works on 115V or 230V mains
  • ✓ Short circuit, overload, over voltage and over temperature protection built in
  • ✓ Fan stays off until the case passes 122F, so light loads run silently

Cons

  • ✗ Input switch ships on 115VAC; forget to flip it on 230V lines and you risk damage
  • ✗ Mounting brackets not included; you need your own hardware
  • ✗ Single fixed 24V output, no secondary rail for 5V or 12V logic
  • ✗ Fan kicks in under sustained heavy load, so it is not silent at full output

Manufacturer description

The MEAN WELL LRS-350-24 is an enclosed DC switching power supply that delivers a steady 24V at up to 14.6A, for 350W of continuous output. It suits LED strip installations, 3D printers, CNC controllers, stepper motor drivers and other 24V projects that need one dependable rail. Input is selected with a switch: 90-132VAC or 180-264VAC. The switch ships set to 115VAC, so if you are on a 230V line, check it before you power up. The unit runs at 88% efficiency, which means less of the 350W turns into heat inside your enclosure. Four protections are built in: short circuit, overload, over…

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SpecPicks Verdict

SpecPicks scored Mean Well LRS-350-24 DC Switching Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. MEAN WELL's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How much current can the MEAN WELL LRS-350-24 supply?

It is rated for 14.6A at 24V, for a total of 350W continuous output.

Can I use the LRS-350-24 on 230V mains?

Yes. The input switch selects between 90-132VAC and 180-264VAC. It ships set to 115VAC, so move the switch to the high range before you connect it to a 230V supply.

Is the LRS-350-24 noisy?

Usually not. The fan only runs when the case temperature goes above 122F (50C), so at light or moderate loads it is often silent.

What protections does this power supply have?

It has short circuit, overload, over voltage and over temperature protection, which helps protect both the supply and the devices connected to it.

Does the LRS-350-24 come with mounting brackets?

No. Brackets are not included. You can screw the case directly to a panel, or buy compatible mounting brackets separately. Check the manufacturer datasheet for the mounting hole locations.

Key Features

  • Output Voltage: 24V; Rated Current & Rated Power: 14.6A, 350W
  • Input Switch Default On 115VAC ! Efficiency Level: 88%
  • Input Voltage Range: 90 ~ 132vac / 180 ~ 264vac By Switch;
  • Full Protections: Short Circuit / Overload / Over Voltage /Over Temperature. Fan only spins when Case Temprature higher than 122℉
  • Brackets not included

Full Specifications

BrandMEAN WELL
Wattage350 watts
Unit Count1 Count
Form Factorbenchtop
Model NumberLRS-350-24
CompatibilitySwitch
Connector TypeATX
Cooling MethodAir
Number of Fans1
Output Voltage24V; Rated Current & Rated Power: 14.6A, 350W
Output Wattage350 watts
Item Dimensions8.46 x 4.53 x 1.18 inches
Mfr Part NumberYWQ001
Full ProtectionsShort Circuit / Overload / Over Voltage /Over Temperature. Fan only spins when Case Temprature higher than 122℉
Compatible DevicesPersonal Computer
Input Voltage Range90 ~ 132vac / 180 ~ 264vac By Switch;
Maximum Input Voltage264 volts_of_alternating_current
Minimum Input Voltage115 volts
Item dimensions L x W x H8.46 x 4.53 x 1.18 inches
System Bus Connector TypeATX

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Mean Well LRS-350-24 DC Switching Power Supply, 24V 14.6A 350W is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Mean Well LRS-350-24 DC Switching Power Supply, 24V 14.6A 350W
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