[Heathkit] O.T. Dow Key Coaxial Relay

[Ross Stenberg]

On 11/14/2010 11:29 AM, k2cby wrote:
> I have what appears to be a Dow Key coaxial relay.
> There are no markings of any kind on it, and the coil voltage isn't marked.
>
> I have put dc on it. It won't pull at 6 V dc, and it just pulls in at 12 V
> dc.
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> It might be 24 or 48 V dc but I think most of them were 115 V ac.
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> The dc resistance of the coil measures 300 Ohms.
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> Does anybody know what the resistance of a 115 V ac coil should be?
>
>
My 110 VAC coil measured 336 ohms on a Harbor Freight DMM

     73 Ross K9COX