DiyMobileAudio.com Car Stereo Forum banner

1 - 15 of 15 Posts

·
Registered
Joined
·
29 Posts
Discussion Starter #1
Can't find anyplace that sells 35a atm fuses. Can buy 30 and 40. Would 30+40 amp be same as 2x35 or do they get 1\2 current so the 30 would blow at max load?
 

·
Registered
Joined
·
4,291 Posts
If both fuse holders are wired in parallel (internally), then you will get the same result
as 2 x 35A fuses
 

·
Registered
Joined
·
29 Posts
Discussion Starter #9
Will attempt 2x 30. Anyone use china fuses before(ebay link) tolerences posted look bad (blow time 0.75 secs to 1800 secs!)
 

·
Registered
Joined
·
3,522 Posts
Go with two 30's and there shouldn't be any problems unless your driving your amp to its limits.

ALL FUSES ARE in parallel not series. Having them in series really serves no purpose because the smaller fuse would be consider the real rating of the amperage. For example if you had 3 fueses in series (a 5amp followed by a 30amp followed by a 10amp fuse) the real rating would be 5amp since thats the weakest link in the chain it would burst with any amperage over 5.

That being said you can use a 30 and a 40 fuse, but in reality you can use two 30 fuses and be okay, again unless your playing your amp to its limits/capacity, which is never a good idea.
 

·
Registered
Joined
·
3,522 Posts
Not in series, that would be ridiculous... but each fuse going to a separate power supply (for example)

I never take things for granted, no matter how improbable, when it comes to electricity
Ahh correcto mundo, but only certain/few amps have seperate PS and thats why you asked for more info, sorry about that.

To the OP: use bussman fuses because chinese fuses that are knockoffs or cheap will burst into flames (simply because of material used, am pretty sure the plastic they use is not flame or heat proof like bussman fuses).
 

·
Registered
Joined
·
4,291 Posts
Ahh correcto mundo, but only certain/few amps have seperate PS and thats why you asked for more info, sorry about that.

To the OP: use bussman fuses because chinese fuses that are knockoffs or cheap will burst into flames (simply because of material used, am pretty sure the plastic they use is not flame or heat proof like bussman fuses).
:)No appologies required
 
1 - 15 of 15 Posts
Top