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

bmoran4OGR Forum Member

Dave, based on your readings, your internal breaker is worn out. You definitely should replace it with one of the ones I previously mentioned and not simply bypass it. You are free to add additional breakers to each individual output, and many would correctly state that would be best practice to do so (to protect against cross output currents), along with TVS diodes (such as 1.5KE36CA). Additionally, the 275 Watt rating is house current power consumption. Best to assume about 75% efficiency, hence the 200W output Arthur mentioned.

2/16/179:07 PM

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