Power controller circuit breaker sizing

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Power controller circuit breaker sizing

Postby musclewarrior » Fri Aug 10, 2018 10:20 am

As the Five star 2400W elements run right on 10 amps or thereabouts, what would be the recommended circuit breaker size?

I would have thought a 13 amp breaker would be sound, however the next step up from the 10 amp breaker is 15 amps? This seems a bit too large to me so was I chasing opinions.

It seems that not everyone uses a separate breaker for their controllers, but I think its always good practice to have a separate breaker on the controller itself, so your not totally reliant on the mains circuit protection mechanisms. You can never be too safe!
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Re: Power controller circuit breaker sizing

Postby Matt_Pl » Fri Aug 10, 2018 2:00 pm

10 amp breaker is fun, they are rated for contentious current draw.

You will have to run each element off a different circuit tho.

remember circuit breakers are rated to the cable of the instalation, not the load at the end of it mate.
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Re: Power controller circuit breaker sizing

Postby poompy » Sat Aug 11, 2018 11:55 am

circuit breakers protect the cable not the device.

if the controller has been installed as per as3000 then additional protection wont be needed via CB. I would more inclined to look at the current supply to the outlet you are going to use or if you are going to get a licensed electrician to install a dedicated circuit for your brewing then they will be able to install it meet as3000 requirements. Overload and Ground Fault protection.
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