Ubiquiti makes or used to make a device that did that. The indoor
version that looked like an elongated coupler, and an outdoor version
that was a plug on a pigtail with a jack on the other end. They are
about $20 for either one.
Part number INS-8023AF
They are converting from 48v 802.3af to 12V passive PoE on the spare
pairs. Are you looking at the same application, or something else?
On 11/30/2015 5:42 PM, Chuck McCown wrote:
I found a chinese source for $11. 1 inch by 2 inches by .75 inch.
I am making a converter to power 12 volt devices off of 48 vdc poe.
*From:* George Skorup <mailto:[email protected]>
*Sent:* Monday, November 30, 2015 3:31 PM
*To:* [email protected] <mailto:[email protected]>
*Subject:* Re: [AFMUG] DC-DC Converter
What's huge? A Mean Well RSD is going to be rather large. There's also
the Traco DIN rail mount (TCL series, and that will be over $50/ea),
but that is also pretty large. What application?
On 11/30/2015 4:19 PM, Chuck McCown wrote:
It is huge. Looking for something that will be around for some
time. Things like this I fear are surplus/overruns/obsolete EOL
products.
*From:* Mathew Howard <mailto:[email protected]>
*Sent:* Monday, November 30, 2015 2:44 PM
*To:* af <mailto:[email protected]>
*Subject:* Re: [AFMUG] DC-DC Converter
how about $2.29?
http://www.ebay.com/itm/DC-DC-HRD-Converter-24v-36v-48v-Step-Down-To-12v-3A-Power-Module-Portable-/201239343894?hash=item2edaccb316:m:m9vd1B-jJ6zZr8sE6SAWNYQ
On Mon, Nov 30, 2015 at 2:50 PM, Chuck McCown <[email protected]> wrote:
Need 48 in, 12 out.
*From:* SmarterBroadband <mailto:[email protected]>
*Sent:* Monday, November 30, 2015 1:48 PM
*To:* [email protected] <mailto:[email protected]>
*Subject:* Re: [AFMUG] DC-DC Converter
How about $11.
We have used these to power radios off batteries for installers.
They are adjustable - we set them 48v out on 16.2v battery packs.
http://www.amazon.com/DROK-Converter-Transformer-Regulator-Inverter/dp/B00BZR9PBW
Adam
*From:*Af [mailto:[email protected]] *On Behalf Of *Chuck McCown
*Sent:* Monday, November 30, 2015 12:38 PM
*To:* [email protected]
*Subject:* [AFMUG] DC-DC Converter
Looking for the smallest cheapest 12 volt to 48 volt unit that
will do 20 watts.
Digi-Key has some but they are not cheap. Looking for something
in the $20 range.