Zinsco UBIZ270 – 70A 2 Pole Miniature Circuit Breaker Free Returns

Designed specifically for residential power distribution, this 70-amp two-pole breaker mounts into legacy Zinsco Type QC load centers. The thermal-magnetic trip mechanism delivers consistent overload and short-circuit defense for heavier household loads. Electricians can use this unit to replace hard-to-find QC70 or QCAL70 breakers. The plug-on design ensures a secure connection to the busbar. Rated for 10kAIC at 120/240VAC, this HACR-certified component supports modern HVAC installations.