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I want to stock up on replacement fuses in case they blow. I've noticed a couple 30 amp, the 50 amp, 100, 120 and 140 amp fuses are different in size than the rest. There are generic mini fuse kits for 7.5 to 30 amp fuses but I am not sure what kind of fuses are the 30+ amps. Comparing pics of the large fuses on Amazon says they aren't compatible despite looking the same. So Im asking what are they and where can I get those 30+ amp fuses?
 

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STITCH - Come and Take it!
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There are many different types of fuses... the factory versions in the fuse box are usually called Mini-fuses (otherwise named ATM)... but many will call them mini-ATO or mini-ATC.
The "American" versions you see in the BIG-3 are called ATC or ATO.
But then all are designed to "blow" at specific amperage. So usually anything larger than 30-amp, goes to a different design say AGU (glass fuses), cartridge (square in shape) or the ANL... these three are mainly used for higher amperage draws.
To understand the fuse, you need to know what your system you are powering.

I have use this following site to design my system.
On the right side column, scroll down until you see the word "FUSES"... click on it and it will answer all your questions on them.
http://www.bcae1.com

Here is my distribution system i designed and built for what i needed.
http://www.ttora.com/forum/showpost.php?p=2357779&postcount=44
 
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