Best Price Zinsco RC38-40 – 40A 2 Pole Miniature Circuit Breaker

A drop-in solution for aging electrical systems, this 40A two-pole breaker restores safe power distribution in residential settings. The unit installs into original Zinsco load centers, offering an exact fit for obsolete hardware. Users can also cross-reference this component with the UBIZ0240 replacement model. Featuring a specialized thin design, it accommodates two poles within a single mounting space while maintaining a standard 10kAIC rating at 120/240VAC.