[Amps] dumb query about fuses (maybe!)
km1h at jeremy.mv.com
Tue May 12 13:56:31 PDT 2009
Ive seen 120V 15A fuses used on 240V open up from normal use heat Van.
I dont know if the 240V ceramic versions use different internal
materials or construction but they appear to not suffer from heat and of
course they dont shatter when severly stressed.
----- Original Message -----
From: "Van K7VS" <wa7fab at cdsnet.net>
To: <amps at contesting.com>
Sent: Tuesday, May 12, 2009 4:05 PM
Subject: [Amps] dumb query about fuses (maybe!)
>I know ohms law so don't need the math. Just a very specific question
> regarding fuses used in an amplifier on the AC side.
> My amp requires 15 amp fuses if using 125V and requires 10 amp fuses
> 220V operation.
> Does the voltage of the fuse make any difference?? i.e What happens
> if I
> use a 15 amp fuse rated at 125V rather than what they ask for? (10
> amp at
> 240V)....does the voltage rating make a difference?? Or just the
> rating of the fuse?
> And finally, is a ceramic better than a glass fuse for some reason?
> I know this may sound pretty dumb to some but missed the the class on
> Thanks much. Van, K7VS
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