[chbot] 4A Blade Fuse
Henri Shustak
henri.shustak at gmail.com
Wed May 18 08:24:25 BST 2022
I am interested to know others thoughts on this. What about a couple of 2A fuses or four 1A fuses wired in parellel? Would that be a terrible idea. I know you want to not go this way if possible. But I agree the 5A approach sounds like the best way forward if you do not want to do this kind of linking. Otherwise maybe change the holder to something which takes a quick blow ceramic fuse?
> On 15/05/2022, at 9:10 AM, Spencer Travers <spencer.travers at gmail.com> wrote:
>
> Oddly enough it's a fuse in a PA amplifier with a 100V transformer output. The fuse is PCB mounted and sits on the DC power rail after the rectifier circuit.
>
> Good point about tolerances. Unfortunately the venue this is installed in had a fire in the past so I am reluctant to replace the fuse with something different even if the risk is very low.
>
> Spencer
>
> On Sat, 14 May 2022, 23:50 Robin Gilks, <gb7ipd at gmail.com> wrote:
> Since the tolerance of this type of fuse is pretty wide (I would expect -30%/+50%) then I'm sure 3A or 5A would be fine.
> In a car, 95% usage of a fuse is to protect the wiring from that monster supplier of amps called a battery so very rarely is the value critical (I'd go for 5A personally!)
>
>
> On Sat, May 14, 2022 at 6:56 PM Spencer Travers <spencer.travers at gmail.com> wrote:
> Does anyone in Christchurch have a 4A automotive blade fuse in their parts bin? Or know where I can get some locally? If you do it would save me a mail order. Seems like an unusual value and few places have it.
>
> Thanks
>
> Spencer
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