Electrical Equipment & Components
Top 3 Circuit Breakers Manufacturers in California 2026
Last updated
3listings
FirmsLedger lists 3 circuit breakers manufacturers headquartered in California. They are spread across 3 cities: El Cajon, Santa Fe Springs and South Gate.
By specialty, California has switchgear (23), electrical wire & cable (20), solar panels (19), wiring harness (7) and transformers (7) listings.
| Company | City | Specialty | Phone | Website |
|---|---|---|---|---|
| OptiFuse | El Cajon | Fuse design and manufacturing | (305) 361-9060 | optifuse.com |
| California Circuit Breakers & Controls Corp. | South Gate | — | (323) 564-4777 | — |
| National Circuit Breaker (Circuit Breaker Sales) | Santa Fe Springs | — | (800) 945-0065 | — |
OptiFuse
El Cajon, California
OptiFuse is based in El Cajon, California, and was founded in 2000. The company began with the belief that lasting B2B partnerships depend on building relationships with the people involved, and it set out to make the world a safer place through circuit protection devices.