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dont know what its used for? post it here

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Copper - Posts: 197
Copper spacespace
Joined: August 19, 2008
Location: Pennsylvania, United States
Posted: December 17, 2009 at 9:13 AM / IP Logged  
Mobile Spec
250 Amp High Power Circuit Breaker with Manual Reset Switch
Manual Reset Breaker
1/4" Studs
High Quality Construction
Red Valet Button
Perfect for High Power Systems
Is this just like an inline fuse? Or does it serve a different purpose? Also I am going to add some more things as I come across. I think this would be a great place to post about actual things you dont know what its used for like what purpose it serves.
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: December 17, 2009 at 6:28 PM / IP Logged  
CBs (Circuit Breakers) in general:
It's like a re-useable fuse.
It will behave differently - better or worse - but that shouldn't matter for cable protection.
It may have higher resistance than a fuse.
Can I add "Stiffening Capacitors" to this thread - ie "what USEFUL thing its used for?".
Just kidding - I'm fresh off another thread....
i am an idiot 
Platinum - Posts: 13,579
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: December 17, 2009 at 8:35 PM / IP Logged  
As stated earlier, it is basically a resettable fuse.  If you are pulling anywhere near 150 amps through the device, you WILL have problems in the long run.  We have tried thm from all the manufacturers.  Same results, fine for a month or 2, then they came back.  If it were there just to protect the wire, they would be great.  Since the amps have to play through it, not so great in the long haul.  You would be much better off with an ANL type fuse.

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