Zinsco

Browse over 90 Zinsco breakers to maintain your legacy residential and commercial electrical panel systems. This collection covers miniature and molded case form factors across 1-, 2-, and 3-pole configurations, including GFCI and tandem models.

Series on this page

Series on this page include QFP, Q, UBIZ, QC, QSF, and QFL.

Popular part numbers

• RC38-20: 20A, 2-pole miniature circuit breaker
• QCAL100: 100A, 2-pole molded case circuit breaker
• Q20: 20A, 1-pole miniature circuit breaker
• QB20: 20A, 1-pole molded case circuit breaker
• RC38-1520: 15/20A tandem miniature circuit breaker

How to choose

Start with the series printed on your panel label, such as UBIZ, QFP, QC, or QFL series. Match the 1-, 2-, or 3-pole design with your required amperage rating, which ranges up to 600 amps. Select tandem or GFCI types if needed for your panel layout. Confirm your panel and breaker type are compatible before ordering.