When to use Fuse or Auto Reset breaker

Submitted: Wednesday, May 25, 2011 at 09:53
ThreadID: 86534 Views:13157 Replies:6 FollowUps:11
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Hi all

Pondering issues as I do, I was thinking about "when should you use a fuse and when should you use an auto reset (thermal) breaker".

I am assuming there are some "best practices" that apply to the use of one over the other.

My assumptions are:

1. if the circuit had the chance of developing a hard fault (say something cuts into a cable) then you would want a fuse to blow and that would be the end of it - especially if this is a take off direct from the battey.

2. if the circuit is a high current circuit that could have transient overload (say a winch jamming) then the auto reset breaker would be the choice there??

As always I look forward to your responses.

Ken
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