Here are a couple of circuit breakers that are noisy when tripping, and=20
then have visual indication. They usually show a white band on the push=20
button when tripped.
http://aircraftproducts.wicksaircraft.com/viewitems/circuit-breakers/push-p=
ull-circuit-breaker?
http://aircraftproducts.wicksaircraft.com/viewitems/circuit-breakers/klixon=
-circuit-breaker?

These are pricey, but usually can be found much lower cost.

On 11/24/13 7:44 PM, pic wrote:
> Normal house fuses/breakers will pop at the rated current, voltage is
> immaterial so you could just use that
> In the UK lighting circuits are normally fused at  6 Amps, so depending o=
n
> the psu being able to supply the current to trip it this will work fine
> (use a 12 V lead acid battery)
>   =20
>
> Years ago I replaced all the car fuses on a Citroen CX with domestic
> resettable breakers (designed for 240V)  including fitting a 100 amp unit
> for the alternator output,
> It all worked faultlessly for over ten years, no changing fuses, just
> occasionally flip a breaker on again
>
> PC
>
> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf =
Of
> Carl Denk
> Sent: 24 November 2013 22:31
> To: Microcontroller discussion list - Public.
> Subject: Re: [EE] Low current breaker
>
> My heating contractor talks of a "Popper". As far as I can deduce, it's a
> breaker in the form of a blade fuse like automotive. Probably in the
> 2-3 amp ratings.
>
> What about when the circuit opens, a relay drops out, normal closed conta=
ct
> closes, triggers a 555 timer with a sonalert buzzer, and an LED strobe. O=
r
> program a small PIC to do the work. :)
>
>
> On 11/24/13 5:08 PM, Charles Craft wrote:
>> My son is working on battery powered circuits in school.
>> Near the end they will wire up a model of a small house.
>> We would like to add a breaker inline so that he can short two wires and
> show the breaker tripping.
>> Its doable with a low current fuse but having the sound and reset abilit=
y
> of a breaker would more closely match a real house.
>> If everyone is watching they might see the flash of the fuse but then
> that's more pieces for him to track.
>> Thoughts?
>>
>> thanks
>> chuckc
>>
>>
>>
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