[AMRadio] Relay Voltage ID


WA5VGO hbrnut at suddenlink.net
Fri Jul 3 18:42:52 EDT 2009


The coil for K301 is fed from the low voltage power supply thru the voltage 
divider R309 & R310. The low voltage is 240 volts. I come up with 96 volts 
on the coil.

Darrell, WA5VGO





At 05:09 PM 7/3/2009 -0500, w4rl at bellsouth.net wrote:
>Thanks Darrell.  I am no expert but I was thinking in that AC 
>neighborhood, but wanted to make sure.  I'm having to replace the voltage 
>relay K301 in my Collins 32V-2 with a generic relay array setup it 
>seems.  Just can't figure out why that old trusty relay went out after, 
>what, 50 years!  Just don't make them like they use to do in the spark 
>days, you know HI.
>
>73 Robert W4RL
>
>--- On Fri, 7/3/09, WA5VGO <hbrnut at suddenlink.net> wrote:
>
>From: WA5VGO <hbrnut at suddenlink.net>
>Subject: Re: [AMRadio] Relay Voltage ID
>To: amradio at mailman.qth.net
>Date: Friday, July 3, 2009, 4:53 PM
>
>The coil resistance strongly
>  suggests that it is 110
>  VDC.
>
>Darrell, WA5VGO
>
>
>
>At 04:40 PM 7/3/2009 -0500, you wrote:
> >Gentlemen,
> >
> >I've a Potter & Brumfield KR-2349-1 double pole single throw open frame
> >relay.  I am trying to find out the AC or DC voltage requirements as they
> >are not marked on the coil.  The coil measures 11.7 Kohms.  Any help would
> >be appreciated.  I've already done a Google search with no results on this
> >particular relay.  Thanks in advance.
> >
> >73 and fly our Flag,
> >
> >Robert W4RL Pensacola FL
>
>
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