[Amps] soft start circuits

R.Measures r at somis.org
Fri Jan 9 07:05:09 EST 2004



>PAUL HEWITT wrote:
>
>>I normally use these as the HV supply master mains switch in the 
>>amplifier and have never had a dv/dt problem.
>
>What makes me nervous about SSRs as safety-critical circuit breakers is 
>that if ever they do fail, they will almost certainly remain switched on 
>(forever). In safety engineering terms, they are not 'fail-safe'.
>
**  Good point, Ian.    Sometimes mo' high-tech is not mo' bettah.


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