[GreenKeys] Loop supply rheostats
Jeffrey Angus
jdangus at att.net
Thu Sep 12 13:12:58 EDT 2019
On 9/12/19 11:51 AM, Paul Heller wrote:
> I can???t really read the picture on ebay clear, but it is either
> 300 volts or 500 volts. I can read .10 AMP clearly
All variable resistors are rated at max current.
In the case of a loop supply, the fixed resistor has to be
sufficient to limit the loop current to .10 Amps when the
variable resistor is set to 0 ohms with the loop shorted.
--
"I am a river to my people."
Jeff-1.0
WA6FWI
www.foxsmercantile.com
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