Design 1-Wire slave device to get the state of a switch
For a device that can receive/transmit UART can be used with external components to talk to 1 wire slave.

https://www.maximintegrated.com/en/design/technical-documents/tutorials/2/214.html
https://www.eeweb.com/profile/ixys/articles/uart-to-implement-a-1-wire-master

But your slave device is just a breaker, you can't send anything to it. What else would it transmit besides HIGH and LOW? Why is your current setup unacceptable? i.e. breaker output tied to an Arduino digital input pin.