Good short 24VDC power supply?

rupej · Jul 21, 2017

I'm designing a small panel that my employer plans to build in-house and sell perhaps 10-20 per year? So I'm hoping to get the bill of material right the first time.

Does anyone have any recommendations on a short (around 3" tall or less) 24VDC Din-rail power supply? Only needs to have about 1A output, and a 110VAC input. Ideally, this would also be good quality and relatively cheap (around $50).

I've used this model WAGO in the past, but the screw terminals are very difficult to use, and also it's a bit pricey for what it is, ~$55.
http://www.wago.us/download.esm?file=\download\00303296_0.pdf&name=d07871002_00000000_0en.pdf

Thanks in advance!

keithkyll · Jul 21, 2017

https://www.automationdirect.com/ad...pplies/5VDC,_12VDC,_24VDC,_Class_2/PSL-24-030

rQx · Jul 21, 2017

Siemens logo power, model number: 6EP1331-1SH03
(HxWxD): 90x54x55 mm

A little bit to high maybe but it's good and cheep

mendonsy · Jul 21, 2017

http://www.trcelectronics.com/Meanwell/din-rail-power-supply-dr30.shtml

Helliana · Jul 21, 2017

Puls has some that are 75mm tall which is right at 3in. http://www.pulspower.com/mx/products/show/product/detail/ml15241/ will be the smallest one. If you need more current, there is a larger one that is the same height, but twice as wide.

I believe Puls makes most of the Allen Bradley supplies too, but I would assume they cost more for the AB meatball sticker.

Gomez_ · Jul 21, 2017

The IDEC PS5R-V Series is pretty compact, not sure on pricing though.

kolyur · Jul 21, 2017

When you say "short" I'm not sure if you mean height (parallel to the backplane) or depth (distance to lid). I'll assume you mean depth as that is the usual restriction.

I've used a lot of the Phoenix Contact "Step" power supplies. No failures yet that I know of. They are very low profile, around 2-1/2 inches.
https://www.phoenixcontact.com/onli...03-04-01/3436cd28-9205-4f36-8832-47a4df095fe6

Part number 2868635 for the 24V 0.75A version, available from most of the big name online suppliers.

John Morris · Jul 21, 2017

Gomez_ said:
The IDEC PS5R-V Series is pretty compact, not sure on pricing though.

https://www.wolfautomation.com/products/power-supplies/power-supply-15-watt-24vdc-single-phase-10202

$42.00

ganutenator · Jul 21, 2017

watts or amps?

Saffa · Jul 21, 2017

ganutenator said:
watts or amps?

OP specified 1A

ganutenator · Jul 21, 2017

http://www.meanwellusa.com/productSeries.aspx#tag-6-17

Bering C Sparky · Jul 21, 2017

https://cdn.automationdirect.com/static/specs/fa24ps.pdf

geniusintraining · Jul 24, 2017

mendonsy said:
http://www.trcelectronics.com/Meanwell/din-rail-power-supply-dr30.shtml

+1

I buy a lot from TRC they have a great selection

Educ8me · Jul 24, 2017

http://www.mouser.com/ProductDetail...A15fmOUVxRW6pUeVf3tQIArxCJW09sbhoCxMgQAvD_BwE

rootboy · Jul 28, 2017

+1 on the Mean Well (although, when they burn up we then refer to them as "Meant Well").

As a side note (as in way off topic), and mostly to you UK guys, I just installed a Mean Well in my ZX Spectrum +3 power supply case to get to work here in the States. Fit and works like a charm!

Good short 24VDC power supply?

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