On 9/28/2010 10:20 AM, Gene Fuller wrote:
> In the "for what it's worth" columb. - I once heard that since precise
> simultaneous closing and opening of the two contacts cannot be guaranteed
> when just paralleling two circuits, the instantaneous current flow/arcing
> contact damage may be the same for one of the contacts in a two contact
> configuration as for the single contact.configuration. Obviously the longer
> term I^2 R loss/heating would be improved but if one contact was welded by
> the initial arc........
> Gene / W2LU
>
This shouldn't be a problem in relays used in remote antenna switches or
even interlocked SO2R switching like the 6-pack as they should never be
switched under load...Although people do forget.
73
Roger (K8RI)
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