[Heathkit] O.T. Dow Key Coaxial Relay

[Carl]

AC relays work fine on a lower DC voltage, Ive usually found it to be a 3 or 
4:1 ratio at least for AC ratings in the 12-24V range. Fer instance 3.25VDC 
draws similar current on a 12VAC relay.

Carl
KM1H



----- Original Message ----- 
From: "Fern" <crc at cyberlink.bc.ca>
To: "Ross Stenberg" <k9cox at charter.net>; <heathkit at mailman.qth.net>
Sent: Sunday, November 14, 2010 1:07 PM
Subject: Re: [Heathkit] O.T. Dow Key Coaxial Relay


> Ross: That's what my dow key 110 vac coaxial relays show......330 ohms. 
> 73
> from Fern   VE7GZ
> ----- Original Message ----- 
> From: "Ross Stenberg" <k9cox at charter.net>
> To: <heathkit at mailman.qth.net>
> Sent: Sunday, November 14, 2010 11:00 AM
> Subject: Re: [Heathkit] O.T. Dow Key Coaxial Relay
>
>
>> 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.
>>>
>>>
>>>
>>> It might be 24 or 48 V dc but I think most of them were 115 V ac.
>>>
>>>
>>>
>>> The dc resistance of the coil measures 300 Ohms.
>>>
>>>
>>>
>>> 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
>> ______________________________________________________________
>>
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