It is due to the current inrush, that 'll led to large magnetic force and
damage the filament.Another reason is the current inrush will led to the main
fuse burn or the trip switch active.
73!Hsu
----- Original Message -----
From: "???????????? ??????????" <panos2@otenet.gr>
To: <amps@contesting.com>
Sent: Sunday, August 29, 2010 1:30 PM
Subject: [Amps] soft start on filament
> hello
>
> what do you mean soft start on filament ??
> linear slowly warm up ?
> step warm up ?
> and if so why is call it instant ?
> regards panos
>
> SV4JYI
>
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