is this the right circuit breaker size?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=130107
Printed Date: May 05, 2025 at 12:55 AM

Topic: is this the right circuit breaker size?

Posted By: pcguy760
Subject: is this the right circuit breaker size?
Date Posted: January 08, 2012 at 4:34 AM

I decided to change my fuse to a 140A Tsunami circuit breaker. I am gonna be using one 5 channel amp witha 150A fuse rating and my vehicle already has 2 ga. wire in it. Is this 140A breaker ideal for my setup?

Replies:

Posted By: i am an idiot
Date Posted: January 08, 2012 at 5:19 AM

ANL fuse is the only way to go. Breakers are more trouble than they are worth.

But to answer your question, anything under 225 amps is suitable for your 2GA wire.

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