[TenTec] Airpax Breaker Part and Source

Bwana Bob wb2vuf at verizon.net
Sun Jan 2 13:42:24 PST 2011


No, not the crowbar, which is used for overvoltage protection, but the 
current sense circuit.

             Bob WB2VUF

On 1/2/2011 3:31 PM, nl7vl wrote:
>> The question is, how fast does a fuse or circuit breaker have to be
>> to protect the final transistors?  It may be better to build an
>> outboard circuit that duplicates the over-current circuit inside the
>> Ten-Tec power supplies.  I've tripped the power supply for my Corsair
>> many times without damage.
> So what you are getting at is recreating the crowbar circuit to trip
> things just like the AC supplies do? (At least that's what the Century
> 21 does off the top of my head.)
>


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