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what size fuses?


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yohinan 
Member - Posts: 11
Member spacespace
Joined: August 16, 2006
Posted: August 23, 2006 at 11:23 PM / IP Logged  
but couldnt find the exact answer that I was looking for to this question. I know the two methods to come up with what size fuses you need to run on your system but I have a question that I cant seem to find the answer to. Is it better to pick your fuses based on the max watts your system is capable of OR is it better to pick your fuses based on the RMS that your system will be seeing? Also out of the two methods used, max current on everything on that circuit, and the sum of rated power of all amp channels together divided by 6, which is the preferred method and why? TIA for all the help.
kfr01 
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Joined: April 30, 2003
Posted: August 23, 2006 at 11:31 PM / IP Logged  
http://www.bcae1.com/   has an excellent section on fuses.
New Project: 2003 Pathfinder
oscarnl86 
Copper - Posts: 84
Copper spacespace
Joined: July 07, 2006
Location: United States
Posted: August 23, 2006 at 11:35 PM / IP Logged  
now that you mention it  can you tell me that method to figure out what fuse to use?
i know some stuff and what i dont know ill make it up feel free to ask
Velocity Motors 
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Joined: March 08, 2002
Location: Manitoba, Canada
Posted: August 23, 2006 at 11:51 PM / IP Logged  
Suggested Fuse Sizes:
Wire Gauge     Recommended
Maximum Fuse Size
00 awg     400 amps
0 awg     325 amps
1 awg     250 amps
2 awg     200 amps
4 awg     125 amps
6 awg     80 amps
8 awg     50 amps
10 awg     30 amps
12 awg     20 amps
14 awg     15 amps
16 awg     7.5 amps
These are the recommended maximum fuse ratings for the corresponding wire size. Using a smaller fuse than what's recommended here will be perfectly safe.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
oscarnl86 
Copper - Posts: 84
Copper spacespace
Joined: July 07, 2006
Location: United States
Posted: August 24, 2006 at 11:05 AM / IP Logged  
thanx velocity
i know some stuff and what i dont know ill make it up feel free to ask

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