MEAN WELLLRS-350-12 Switching Power Supply 348W 12V 29Amp Single Output (LRS Series 350W 12V) for LED Project

To be fair, I only had this for about 2 weeks. Been using it daily with my ham radios and has worked great, though I have only pushed the supply no more than 15 amps. It stays cool where the fan doesn't even come on, I'm assuming there is a heat sensor to activate the fan when the unit gets warm. As a ham radio operator, this supply works fine for me, no birdies or noise detected on HF, and nothing noticed on the Spectrum Scope Display on my radio. I did hear very minor "hash" below 3MHz that was corrected with a .05uf capacitor.

I use these power supplies for my amateur radio applications. No noise and good filtered 29 amps of power for 100 watt rigs. Mounting hardware and terminal covers are available from other vendors on Amazon. Also, other Amazon vendors offer the power supply, terminal cover, brackets and screws as a package albeit more expensive. You will not be disappointed if used on a VHF mobile radio or a 100 watt HF base station.

My Original CR-10 S5 power unit exploded or had a melt down. this one went right it without issues and works great. It's even a little smaller that the original, so there is more breathing room inside the control unit.

Did your 3D printer’s power supply fail? This item may be your best choice. First be sure of the voltage you need. The circa 2019 printers often used 12v supplier. New printers typically use 24v supplies. Be sure of which one you need. If you live in the US you would be wise to get a UL listed supply such as this one. This one is UL listed. Most are not. This supply is quiet and has a reputation for safety.

Have always ordered Meanwell LRS series SMPS when I had a preference. Might cost a bit more than competitors, but overall quality and consistency have been high and found them to be quite reliable. The only problems that I have had is when I personally created the problem. Have yet to damage a supply to point of performance degradation, despite the outright abuse in temperatures above design spec, running right on ragged edge of current limits. Have not seen any issues with EMI / Electrical Noise.

I have several purchases of these power supplies, I use them for my xlights setup where I have to have several different units in different locations and the meanwell units (for me) seem to work the best. When I purchase a unit I write the date on the top corner and the Meanwell supplies seem to last a very long time. I will purchase again when needed.

Love Meanwell

I am a radio amateur (Ham) that operates on the High Frequency (H.F.) Band, (80 to 10 Meters). Most other switcher type power supply's that I previously used or tested have put out Radio Frequency Interference RFI (AKA "Birdies") in the HF Amateur radio bands. I have tested this power supply with a 27Amp resistive load, a O'scope and Spectrum Analyzer and have found, NO dectable H.F. Birdies. The power supplies voltage output is screwdriver adjustable from 11 to 14 VDC, and is settable for 120 or 20 VAC. This Mean Well LRS 350-12 delivers 348 Watts of clean power, Just add a line power cord, you are ready to go!