[TowerTalk] X99KP 12VDC RELAY FOR AMERITRON REMOTE ANTENNASWITCHES

[jimlux]

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


Yes indeed.. paralleling relays is tricky..