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Help with size of fuse for mobility scooter (Read 7157 times)
juco
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Help with size of fuse for mobility scooter
Jan 28th, 2018, 3:54pm
 
Father-In-Law has lost the fuse and fuse holder for his charger for his mobility scooter. (Roma Lyon)

I am trying to purchase both for him but unsure of fuse size, mobility companies not replying.

Charger is Input 115/230v AC,  60/50Hz   3/1.5A
Output: 24V DC/ 5A
Batteries are: 2 x 12V 34AH   (in series 24V)

Can anyone give me an idea as to what size of fuse (Amps) would be required for the charger output.
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Natedog
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Re: Help with size of fuse for mobility scooter
Reply #1 - Jan 28th, 2018, 7:13pm
 
If the output is meant to be 5A then chances are it will be a little more than that for the fuse.  Probably either 7.5 or 10 at a guess, but that is only a guess
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juco
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Re: Help with size of fuse for mobility scooter
Reply #2 - Jan 28th, 2018, 7:32pm
 
Thanks Natedog, that makes sense to me as a layman (dont understand this elec stuff)
I did find another label on the side which states:
"Fuse 10A  125V"

So the 10A would stack up but where does the 125V kick in for the fuse as input is 230/240V AC and output is 24V DC,  is it some sort of over-protection? Or maybe a standard size fuse?
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CWatters
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Re: Help with size of fuse for mobility scooter
Reply #3 - Jan 29th, 2018, 7:01pm
 
A fuse rated 125V can be used on lower voltages (eg 12, 24, 48V) but not the other way around.


Perhaps contact..

http://romamedical.co.uk/product-category/mobility-scooters/mid-size-scooters/
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juco
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Re: Help with size of fuse for mobility scooter
Reply #4 - Jan 29th, 2018, 10:28pm
 
CWatters,  thanks for your explanation.

I have emailed several companies including Roma but responses have been poor.
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Lectrician
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Re: Help with size of fuse for mobility scooter
Reply #5 - Jan 30th, 2018, 6:59am
 
Photo?

Is it an automotive type fuse?

There must be a hole where it goes?
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juco
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Re: Help with size of fuse for mobility scooter
Reply #6 - Jan 31st, 2018, 11:39am
 
Sorry about delay in replying but I am not getting email notifications.
Not sure what type of fuse, see image.

Fuse   
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« Last Edit: Jan 31st, 2018, 5:15pm by Lectrician »  

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Lectrician
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Re: Help with size of fuse for mobility scooter
Reply #7 - Jan 31st, 2018, 5:17pm
 
It's probably easier to get a whole new fuse carrier from Maplin, CPC or RS.  You would need to solder it in though.  As said, a 10amp slow blow fuse is probably best, as long as the voltage rating is higher than 24v.
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juco
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Re: Help with size of fuse for mobility scooter
Reply #8 - Jan 31st, 2018, 6:13pm
 
I will order from ebay, soldering should be ok.
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Re: Help with size of fuse for mobility scooter
Reply #9 - Feb 1st, 2018, 9:28am
 
Lectrician wrote on Jan 31st, 2018, 5:17pm:
..... as long as the voltage rating is higher than 24v.


Never been aware of voltage ratings on a fuse before but a quick Google explains all.
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Re: Help with size of fuse for mobility scooter
Reply #10 - Feb 2nd, 2018, 6:41am
 
I notice one picture says "bypass fuse". I strongly recommend you don't do that.

As recommended above a new holder from Maplin is only a few £.
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Lectrician
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Re: Help with size of fuse for mobility scooter
Reply #11 - Feb 2nd, 2018, 7:30am
 
I wonder if the fuse blew for a reason?  Perhaps the charger has had it  Roll Eyes
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