Print

Please login or register.
1 Hour 1 Day 1 Week 1 Month Forever
Login with username, password and session length.

[tubby tomo]

hi i was towing a heave barge i know the tug was working hard but thats what tugs do anyway she was stalling when i got the tug back i looked her over the fuse holder had melted is there a good fuse holder on the market or is there another way i had a 20 amp fuse in :-\ holder

[HS93 (RIP)]

was the fuse a loose fit in the holder, that is the normal cause,   

Peter

[tubby tomo]

hi peter i don't no the fuse did not blow it might have been arcing

[DickyD]

What type of fuse and holder were you using ?

[Bunkerbarge]

Has a fuse of a higher rating than the original been fitted?  

If not then this is particularly bad as the holder is obviously not cabale of withstanding the heat generated by a lower than rupture current.  If there is no evidence of arcing I would have a chat with whoever supplied the fuse, if that is possible.  

Even if the fuse is carrying just below it's normal rupture current it shouldn't generate too much heat so arcing does look like a possibility.  Try using blade type fuses as used in vehicles, they have much better contact and should be that bit safer.

[DickyD]

20amp in line fuse holder with car type blade fuse.

Redbank Models

http://quantrum.co.uk/redbankmodels/inline-fuseholder-p-995.html

[malcolmfrary]

A good option from Dicky - the white plastic tubular in-line bayonet type do melt easily.  They have poor contact area, and the spring forms another heating element.  Anything over 5 amps for more than a few seconds and they object by melting, allowing the spring to lengthen and reducing the contact pressure, thus increasing the heating.
Automotive blade types are far better.

[FullLeatherJacket]

http://www.action-electronics.co.uk/stuff2.php
32A rated £2.00
FLJ

[DickyD]

Sorry Dave, thought your largest was 15amp.

[tubby tomo]

hi i was using blade type fuse but i have now going to change to the type Dicky showed but i do think the fuse was at fault it should have blown do you think so ???

[dougal99]

I had this problem several seasons ago with my Brittany Trawler when it was new. I was using an inline fuse and the boxy Hitec ESC. I replaced the melted half of the holder and have had no problems since but what caused the original problem?

Doug

[djrobbo]

Hi guys....during my many years earning an honest ? crust in the motor trade , a melted fuse holder was always down to a loose fitting fuse . The two brass contacts inside each end of the holder gradualy get looser and allow the fuse to work loose ,thus causing arcing , which generates heat and thus melts the holder .  You can normally tell which end is loose coz thats the end wot melts ! All my boats have these fuse holders in them so i periodically take out the fuse and tweak the contacts in the holder to tighten them up.

        Hope that helps..........................regards.....bob.

[tubby tomo]

hi bob yes bob i think your right