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05-20-2013, 02:14 AM
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#1 |
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Gone Wild
Join Date: Nov 2012
Location: Ontario , Canada
Posts: 609
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Do I need to upgrade fuse when going to 48 volt
Hi ho fellows , a quick question , I am in the middle
Of my 36 volt to 48 volt conversion PDS TXT  Do i need to upgrade the 60 amp in Line fuse (charger side ) (Hooked to B+ side of batt. ) ? , and also I've seen on other threads People have a 250 amp or higher fuse on B- batt. to controller On my TXT (stock -36 volt) I had no fuse at all ? , on B- batt. to controller ? I am going from T105 Trojans approx 225 -235 amp/Hrs . To CR260 Amp/Hrs . (CROWNS)  running 8- 6 volt batts . Cheers! Last edited by Great white north; 05-20-2013 at 02:20 AM.. Reason: Add sentence |
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05-20-2013, 05:57 AM
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#2 |
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Stay thirsty my friends!
 Join Date: Jan 2007
Location: Suburban Chicago
Posts: 24,289
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Re: Do I need to upgrade fuse when going to 48 volt
The 60amp online fuse will be fine for the 48v upgrade. As for the 250amp controller fuses, I have never seen an OEM controller with any fuse protection. Even with a fuse I saw the magic smoke pour out of an Alltrax controller.
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05-20-2013, 09:26 AM
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#3 |
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Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,417
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Re: Do I need to upgrade fuse when going to 48 volt
On the other hand, I have recently seen where the Alltrax fuse saved a customer's new control when he connected it wrong. The fuse blew instead of letting the magic smoke out of the control. If you are using an Alltrax you should use a Fuse as supplied. 250a fuse can be okay on a 400a control at 48v
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05-20-2013, 09:33 AM
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#4 |
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Gone Wild
Join Date: Nov 2012
Location: Ontario , Canada
Posts: 609
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Re: Do I need to upgrade fuse when going to 48 volt
Thanks guys , Scotty so there is a fuse supplied ? Did not seem to see it ?
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05-20-2013, 09:54 AM
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#5 |
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Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,417
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Re: Do I need to upgrade fuse when going to 48 volt
Alltrax supplies a fuse with their controls. No one else does. You do not need a larger fuse with higher amperage.
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