Cheap Zinsco Q243030 – 30A 3 Pole Molded Case Circuit Breaker

Mounts into legacy Zinsco and GTE Sylvania load centers to provide a seamless replacement for discontinued hardware. The Q243030 is a 3-pole, 30-amp molded case circuit breaker equipped with a green color-coded handle for easy amperage identification. Offering a 10kAIC interrupting rating at 240VAC, this plug-on unit utilizes Magnetrip thermal-magnetic technology to ensure precise protection for commercial environments. It is a direct cross-reference for the UBIZ330 substitute SKU.