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MeanWell LRS-600-24 in 2.4 replacing LDO's RSP-200-24 PSU

endstop

Active member
Hi,

I ordered the 600W PSU from the subject line, as the combination of StealthChanger hotends can trip overcurrent protection on the LDO stock 200W PSU (why: 70 W heating elements in multiple heads. Two heads at a time is safe. But, more than that, juggling the power budget is getting messy and at the mercy of PWM. I don't need any random events that are extremely unlikely - making them impossible to debug - but shut down the whole box mid-print).

My question: It seems to be 10 mm wider. Does it still mount on the same DIN rail clips? Any other good solutions?
I found this, but attaching via side-mounted screws adds even more width.

The installation space in the printer is wide enough, in principle. But moving the problematic cable ducts in my printer by more than a few mm would mean a lot of wires need to be re-routed...
 
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I don't have a V2.4 so my help will be limited. Do the PSU DIN rail adapters connect at the bottom of it? Because if they do, both PSUs (as seen on their datasheets: https://lridownload.s3.us-east-2.amazonaws.com/meanwell/mw-specs/RSP-200-spec.pdf and https://lridownload.s3.us-east-2.amazonaws.com/meanwell/mw-specs/LRS-600-spec.pdf) have the same screw placements, a 150 x 50 mm rectangle with M4 screws at the corners.

As for size, the RSP is 10 mm longer and 9 mm wider than the LRS, so you'll need to arrange your electronics to make it fit. Easy on a 350, not so much on a 250. A common alternative are the UHP model power supplies, they tend to be slimmer but are more expensive as well.
 
Thanks a bunch - I missed that. I had a cursory glance at the datasheet before posting - top view, side view but missed the DIN rail mounts seen from top.
So the extra width will distribute evenly L/R. And that'll work out without any serious rewiring.
 
Yay...
that's 5x70W+50W hotends, started up simultaneously at 27 V. Stragglers are the (U)HF heavyweights.
And the DIN rail mounts were indeed compatible.
1781419141067.png
 
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