[Elecraft] new owner looking for fuses.

Vic Rosenthal k2vco.vic at gmail.com
Sun Jul 15 00:57:57 EDT 2018


This is incorrect!
The current rating of a fuse is independent of the voltage.
The fuse blows as a result of heat, which is proportional to I squared times R. 
The voltage rating is just a guarantee that if it does blow, it won’t stay conductive due to an arc.

Victor 4X6GP 

> On 15 Jul 2018, at 5:21, <john at kk9a.com> <john at kk9a.com> wrote:
> 
> Correction: I believe that there are conditions where you would have 240
> volts on the fuse in a standard single phase 240v circuit so it's best to
> use the standard 250v fuses. Of course 250v fuses are also fine with 120v
> amp wiring but the amperage will double.
> 
> GL
> 
> John KK9A
> 


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