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Fuses and fusible links

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nuckolls.bob(at)cox.net
Guest

Posted: Mon Nov 12, 2007 7:36 am Post subject: Fuses and fusible links

Bob: Your book says "B-lead fuse kit from our website catalog" which I'm 

not able to locate on your site- is it still available?



B&C has acquired all of our parts business.



See http://bandc.biz



If you're thinking of using a fusible link

in the output of a PM alternator or perhaps

an SD-20, consider also the MAXI fuse in-line

fuse holders. See:



http://www.aeroelectric.com/Pictures/Fuses/Fuse_Holders/MaxiFuse_Holder.jpg

http://www.aeroelectric.com/Pictures/Fuses/Fuse_Holders/Maxi_Holder.gif



You can get these at auto parts stores along

with matching fuses . . .



http://www.aeroelectric.com/Pictures/Fuses/Fuses/maxi.gif

http://www.aeroelectric.com/Mfgr_Data/Fuses_and_Current_Limiters/Bussman/MAXI_Specs.pdf

Bob . . .



        ----------------------------------------

        ( "Problems are the price of progress. )

        ( Don't bring me anything but trouble. )

        ( Good news weakens me."               )

        (              -Charles F. Kettering-  )

        ----------------------------------------

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DaveG601XL

Joined: 27 Oct 2006
Posts: 351
Location: Cincinnati, Oh

Posted: Wed Nov 14, 2007 10:42 am Post subject: Re: Fuses and fusible links

Bob,



The initial electrical schematic for my 20 amp Jabiru alternator main bus and e-bus's included fuse links as their means of protection based on your writings.  This post tells me I could go either way with a fuse link or an in-line fuse in my application.   Your comments in the lead-in material for your Z-diagrams say that in-line fuse-holders for the 20 amp SD-20 alternator level of loads are "marginal at best."  I am a bit confused with this contradiction so if you could please clarify your position, I would appreciate it.  I am more familiar with in-line fuse-holders and would like to use them, but not if their reliability in this application is in question.



If I were to use an in-line fuse for the 20 amp alternator output, would I use a minimum 25 amp fuse to ward off nuisance trips?



Thanks,

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_________________
David Gallagher
Cincinnati, OH area

nuckolls.bob(at)cox.net
Guest

Posted: Wed Nov 14, 2007 12:04 pm Post subject: Fuses and fusible links

At 10:42 AM 11/14/2007 -0800, you wrote:



 	  Quote: 	
		  

<david.m.gallagher(at)ge.com>



Bob,



The initial electrical schematic for my 20 amp Jabiru alternator main bus 

and e-bus's included fuse links as their means of protection based on your 

writings.  This post tells me I could go either way with a fuse link or an 

in-line fuse in my application.   Your comments in the lead-in material 

for your Z-diagrams say that in-line fuse-holders for the 20 amp SD-20 

alternator level of loads are "marginal at best."  I am a bit confused 

with this contradiction so if you could please clarify your position, I 

would appreciate it.  I am more familiar with in-line fuse-holders and 

would like to use them, but not if their reliability in this application 

is in question.



If I were to use an in-line fuse for the 20 amp alternator output, would I 

use a minimum 25 amp fuse to ward off nuisance trips?


	


   The fuseholders and fuses I cited were the MAXI series

   devices that fill applications from 20 to 80 amps

   as described in:



http://www.aeroelectric.com/Mfgr_Data/Fuses_and_Current_Limiters/Bussman/MAXI_Specs.pdf



   . . . as opposed to the smaller ATC series which I

   recommend up to and including 15A circuits. The data

   sheet is here:



http://www.aeroelectric.com/Mfgr_Data/Fuses_and_Current_Limiters/Bussman/ATC_Specs.pdf



   The full range of in-line fuse holders citing

   the fuses they fit is illustrated here:



http://www.aeroelectric.com/Mfgr_Data/Fuses_and_Current_Limiters/Bussman/Bussmann_in_line_Holders.pdf

    Bob . . .



        ----------------------------------------)

        ( . . .  a long habit of not thinking   )

        ( a thing wrong, gives it a superficial )

        ( appearance of being right . . .       )

        (                                       )

        (                  -Thomas Paine 1776-  )

        ----------------------------------------

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DaveG601XL

Joined: 27 Oct 2006
Posts: 351
Location: Cincinnati, Oh

Posted: Wed Nov 14, 2007 12:26 pm Post subject: Re: Fuses and fusible links

OK, that really helps clear it up for me.  I did not initially understand that the Maxi fuses and holders are on a whole different playing field the plain-Jane automotive blade fuses and holders.  I see that the maxi specs show fuses starting off at 20 amps and going up in 10 amp intervals to 80 amps.  For my 20 amp application, is the 30 amp maxi fuse the appropriate size?



Thank again!

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_________________
David Gallagher
Cincinnati, OH area

nuckolls.bob(at)cox.net
Guest

Posted: Wed Nov 14, 2007 1:23 pm Post subject: Fuses and fusible links

At 12:26 PM 11/14/2007 -0800, you wrote:



 	  Quote: 	
		  

<david.m.gallagher(at)ge.com>



OK, that really helps clear it up for me.  I did not initially understand 

that the Maxi fuses and holders are on a whole different playing field the 

plain-Jane automotive blade fuses and holders.  I see that the maxi specs 

show fuses starting off at 20 amps and going up in 10 amp intervals to 80 

amps.  For my 20 amp application, is the 30 amp maxi fuse the appropriate size?


	


   Yes. You can get holders and fuses at

   most auto parts stores.



   Bob . . .



        ----------------------------------------)

        ( . . .  a long habit of not thinking   )

        ( a thing wrong, gives it a superficial )

        ( appearance of being right . . .       )

        (                                       )

        (                  -Thomas Paine 1776-  )

        ----------------------------------------

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