Circuit Breaker + Electronics = Bad Ju Ju
Thermally sensitive
Incredibly imprecise response
Only a reset upon disconnect/reconnect would prevent battery drain during a fault
It's why electronics have fuses. It's why $$$ inverters use fuses. Oh shoot even a Wif-Co uses a fuse.
Power windows in cars have power off reset circuit breakers. So when Little Susie cranks up the window on brother Johnny's neck when mom returns she can twist the ignition key and the breaker will have reset. Dunno about Johnny - he'll be harder to reset.