[AMRadio] Relay Voltage ID
Jack Schrader
w1jhs at myfairpoint.net
Fri Jul 3 21:15:16 EDT 2009
I think, from my past work experiance, that you can find the specs on that
relay in the Newark catalog online.
----- Original Message -----
From: "WA5VGO" <hbrnut at suddenlink.net>
To: <amradio at mailman.qth.net>
Sent: Friday, July 03, 2009 5:53 PM
Subject: Re: [AMRadio] Relay Voltage ID
> Bear in mind, that what really matters here is the coil resistance, not
> the
> voltage rating of the relay coil. If the coil resistance is substantially
> different, it will upset the voltage divider. If you use more than one
> relay, it could really upset things. A 110 VDC relay generally has a coil
> resistance of about 10K. If you can find one of these (they are still
> manufactured) it should work fine.
>
> Darrell, WA5VGO
>
>
> 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
>
>
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