@superwarp1 posted:Well you are probably right for your situation but for us with home built power supplies or post war transformers this is the way to go
Even with store-bought power, I think some form of fast-acting protection makes sense, especially if you are running an MTH Z4K. The track power breakers on that transformer are very slow, not even close to the Lionel 180 bricks, which I don't understand since this is a "modern" transformer.