[Amps] open frame relay rating

Steve Flood kk7uv at bresnan.net
Sat Mar 29 11:54:22 EDT 2008


I have several open-frame relays.  If I use one for the T/R relay, what should the contact rating be for a 1500w amp?   Is it as simple as 1500w / 50 ohms = SQRT of 30A or 5.5 Amps?  

Tnx, 
Steve, KK7UV


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