Low & Medium Voltage Circuit Breakers
The largest independent inventory of new and reconditioned power circuit breakers in North America. Air, vacuum, and SF6 circuit breakers from all major manufacturers — tested, certified, and ready to ship.
Types of Circuit Breakers
Circuit Breaker Sales carries a comprehensive selection of power circuit breakers for both low voltage (600V and below) and medium voltage (5kV–38kV) applications. We stock air circuit breakers, vacuum circuit breakers, and SF6 circuit breakers in drawout and fixed-mount configurations.
Our inventory includes molded case circuit breakers (MCCB), insulated case circuit breakers (ICCB), and power circuit breakers from all major manufacturers. Whether you need a single replacement breaker or a complete lineup, we have you covered.
Breaker Types We Carry
Low Voltage Air Circuit Breakers
Drawout power circuit breakers rated 600V and below for switchgear applications.
Medium Voltage Vacuum Breakers
Vacuum interrupter-based breakers for 5kV–38kV switchgear applications.
SF6 Circuit Breakers
Gas-insulated circuit breakers for medium and high voltage applications.
Molded Case Circuit Breakers
MCCB breakers for branch circuit and feeder protection in panelboards and switchboards.
Insulated Case Circuit Breakers
High-performance ICCBs combining MCCB compactness with power breaker capabilities.
Motor Circuit Protectors
Specialized breakers for motor branch circuit protection with magnetic-only trip.
Popular Circuit Breaker Brands
Our Services
- Circuit breaker testing & certification
- Remanufacturing to OEM specs
- Trip unit replacement & upgrades
- Arc flash mitigation modifications
- Retrofit & modernization
- Emergency sourcing & rush delivery
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Our engineers can help you identify the right circuit breaker for your application.
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