[GreenKeys] power transformer

[Sam Stinson]

Depending on how much current you need, a small 240V-240V transformer would
also work. DC rectified output should be around 300V. Here is one I found
which can be wired for either 115V or 240V input.
https://www.alliedelec.com/triad-magnetics-vps230-110/70218357/

On Mon, Jul 30, 2018 at 10:49 AM, Sam Stinson <samstinson at gmail.com> wrote:

> Found this one on ebay "Basler Tube Amp Power Transformer" a simple search
> for should turn them up. Probably sold elsewhere but I didn't spend any
> time to look. Cost is $9.66 + $6.40 shipping for me
>
> "Item is one tube amp power transformer for converting 240 volts AC into
> 6.3 volts AC, 330 volts AC, and 28 volts, center-tapped. Transformer is
> labeled 400 volts, but actual output seems to vary from one to the next,
> most are around 330 volts.   The maximum output current of this transformer
> is not known. This transformer is made by Basler and has part number
> BE32900001. This transformer measures 2.5 inches tall by 3 inches wide by
> 3.75 inches thick. 6.3 volt secondary is 4 amps, other currents not
> specified. Will not work with US mains current. Mounts through 1.5 x 2 inch
> hole."
>
> On Mon, Jul 30, 2018 at 10:42 AM, Jordan Spencer Cunningham <js at cunni.co>
> wrote:
>
>> Hi Ralph,
>>
>> I got a 0-150V DC PSU from a Chinese seller on eBay. The quality is
>> pretty good in my experience, and they're much less expensive than the few
>> other online stores I could find selling anything similar. Heck, even the
>> shipping was really fast considering it came from China-- I think it only
>> took a week and change for me to get mine. If you don't want to roll your
>> own, then this is a great option-- I recommend them. I've had mine in use
>> with output adjusted to 120VDC limited to around 60-120ma (depending on
>> whether I'm driving one or two loops simultaneously) since about April of
>> this year without any problems. You'll have plenty more current at your
>> disposal than you need (all of their units seem to run with 3-4+ amps
>> output available), but you can drive multiple loops at once if needed and
>> could even run a DC reperforator or other DC-powered apparatus.
>>
>> The seller's name is sheep20110812, and their storefront is here:
>> https://www.ebay.com/usr/sheep20110812?_trksid=p2047675.l2559.
>>
>> This model is more or less like the one I got (they seem to change them
>> from time to time, so I don't think this one is exactly the same):
>> https://www.ebay.com/itm/NEW-500W-0-150V-DC-Output-Ad
>> justable-Switching-Power-Supply-CNC-WITH-CE/173440103288?
>> hash=item2861d5f378:g:zNgAAOxy69JTDg-b
>>
>> Here's a cheaper model that only ranges between 100 and 120VDC:
>> https://www.ebay.com/itm/NEW-AC100-120V-to-150V-DC-3
>> -3A-500W-Output-Regulated-Switching-Power-Supply/17342307600
>> 0?hash=item2860d222a0:g:zNgAAOxy69JTDg-b
>>
>> I know there are a couple other sellers on eBay with similar products,
>> but I took a chance with this one and have been pleased thus far.
>>
>> --Jordan
>>
>> On Mon, Jul 30, 2018 at 11:20 AM, Jeffrey Angus <jdangus at att.net> wrote:
>>
>>> On 7/30/18 12:13 PM, Ralph Mowery wrote:
>>>
>>> There may have been other places that I can not think of that are
>>> similar to MPJ.
>>>
>>>
>>> <https://www.allelectronics.com/> <https://www.allelectronics.com/>
>>>
>>>
>>> --
>>> "I am a river to my people."
>>> Jeff-1.0
>>> WA6FWIwww.foxsmercantile.com
>>>
>>>
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>>
>>
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