(Topic ID: 74647)

Pinball Machine trips RCD breaker

By jrawlinson_2000

5 years ago

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  • 28 posts
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  • Latest reply 2 years ago by drinkduffbeers
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#11 5 years ago

A RCD breaker - (Residual-current device) is the same as a GFCI (Ground-Fault circuit interrupter) in North America.

The voltage "lost" while the capacitors charge is not returning on the neutral - thereby producing an imbalance in the load.
The RCD breaker senses that more current is being supplied than is returning to the source and opens the circuit.
It has nothing to do with over-current limitation. This machine would trip a 5 amp RCD or a 500 amp RCD - no difference.

I am interested in the engineering work-around if one is available. I'm curious to study what device can alleviate this condition and to study the theory on how it operates.
Very cool discussion.
I hope you will continue to follow-up on this topic.

#24 5 years ago

One more thing which comes to mind.

In North America - there are two types of GFCI breaker in commercial applications.
There are those breakers which are listed as "personnel protection" and they have a lower trip thresh-hold.
However, there are also "equipment rated" GFCI breakers which have a higher trip thresh-hold.

Is this true of RCDs?

If so, you might consider installing an "equipment rated" RCD (should they exist).
Commercial kitchens in North America have been having similar problems. The "equipment rated" GFCI seems to be solving the issue.

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