[GreenKeys] Loop supply options

Roy Morgan k1lky68 at gmail.com
Tue Sep 10 04:58:40 EDT 2019


But ... but,

Wasn’t the current specified by Western Electric 

62.5 Ma. ???

Roy sends.

> On Sep 9, 2019, at 11:10 AM, Ralph Irish <w8roi at wowway.com> wrote:
> 
> This transformer is  EXACTLY  what is needed for a trouble-free loop supply. 
...
> No matter what
> the 'supply voltage' is, the voltage applied to the actual magnets will be less due to the
> dropping resistor and hopefully, an adjustable resistor to set the loop current at idle to 60ma.
> 

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