Zinsco QC30 – 30A 2 Pole Molded Case Circuit Breaker Time-Limited

Sourced for residential and commercial applications, this 30-amp thermal-magnetic breaker restores power distribution in older electrical systems. It mounts into original Zinsco load centers, providing an exact fit without the need for aftermarket adapters. Users often cross-reference this part with the UBIZ230 substitute. Featuring a 10kA interrupting rating and HACR certification, it handles standard heating and cooling equipment loads safely.