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EquipmentCircuit Breakers

Low & Medium Voltage Circuit Breakers

New and reconditioned (refurbished) power circuit breakers. Air, vacuum, and SF6 circuit breakers from major manufacturers. Search the catalog or call 800-232-5809 to ask about a specific breaker.

Types of Circuit Breakers

The catalog lists power circuit breakers for both low voltage (600V and below) and medium voltage (5kV–38kV) applications, including air circuit breakers, vacuum circuit breakers, and SF6 circuit breakers in drawout and fixed-mount configurations.

Listings include molded case circuit breakers (MCCB), insulated case circuit breakers (ICCB), and power circuit breakers. For a single replacement breaker or a complete lineup, send a quote request.

Breaker Types

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

GE / General Electric
Westinghouse / Eaton
Siemens
Cutler-Hammer
Square D
ABB
ITE
Allis-Chalmers
Federal Pacific

Our Services

  • Circuit breaker testing
  • Remanufacturing
  • Trip unit replacement & upgrades
  • Arc flash mitigation modifications
  • Retrofit & modernization
  • Emergency sourcing & rush delivery
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