Reply to "Post war ZW transformer circuit breaker pops after 5 - 10 minutes of running 3 trains simultaneously; what's up?"

Drummer3OGR Forum Member

On a post from a few years ago on Susan Deats web page, (http://www.slsprr.net/technical/CircProt.htm) she uses the PTC resettable breakers.

(positive temperature coefficient)

Would this be yet another choice for a ZW internal breaker? It says 9A hold, but 18A trip? Not sure what that means.

Any comments?

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