Zinsco Circuit Breakers

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Zinsco circuit breakers are available in countless different configurations, all reconditioned. We list hundreds of models in our online catalog, including popular models like the R3820, RC3820, RC3830, QCAL100, and Q20, as well as various other models, new, used, and professionally reconditioned. If you're having a difficult time finding the exact part you need, or you're looking for an obsolete/discontinued model that we don't list on our site, CALL US and we'll help you get the Zinsco breakers you need, quickly. Keep in mind that we offer same day shipping and overnight shipping options.
Zinsco was a manufacturer of circuit breakers and electrical distribution panels, founded by Emile Zinsmeyer and his son Martin Zinsmeyer in the early 1930s.