Buzzing Arc-Fault Breaker

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Old 10-06-07, 08:41 AM
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Buzzing Arc-Fault Breaker

I've got to go on a service call about a Seimens Arc-Fault breaker that I installed in a new home about 2 years ago.

The breaker has started buzzing.
This is not a new problem for me, as I've seen it several times in the past.

The breaker doesn't trip, and if turned off and back on, it will stop buzzing for a while, then start again.

I've moved the breaker to another location in the panel, and the buzzing moved with it.

My question.
Does anyone know of a site that discusses this problem so that I can down load some information for my customer?

There is no problem with the circuit.
I need to convince them that the problem is not caused by a bigger problem elsewhere, merely a nusiance.
I intend to replace the breaker, but the next time, I want them to sleep a little better.

thanks
steve.
 
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Old 10-06-07, 09:50 AM
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I just looked up some information and it looks like to be a common issue for Siemens.

This is from another forum, maybe it makes sense to people that have the knowledge.

"The breaker contains a small resonant circuit. This could be the cause of the buzz. Local magnetic fields acting upon loose internal components (Eddy Currents) give similar problems.

Most times these components are fine. But I always change them anyway. Anything that has a resonant internal frequency is going to break down sooner rather than later"
 
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