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Circuit breakers

Eaton’s low and medium-voltage circuit breakers provide premium protection for overheating wires, overloads and short circuits in residential, commercial and industrial applications.

Introducing our most technologically advanced breakers

39 Results
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Go to 1U Series Slimline

1U Series Slimline

Go to BAB bolt-on miniature circuit breakers

BAB bolt-on miniature circuit breakers

Go to BR Circuit Breakers

BR Circuit Breakers

Go to CH Circuit Breakers

CH Circuit Breakers

Go to Classified Circuit Breakers

Classified Circuit Breakers

Go to DS/DSII circuit breakers

DS/DSII circuit breakers

Go to Eaton Definite purpose complete molded case circuit breaker

Eaton Definite purpose complete molded case circuit breaker

Go to Eaton E2 mining molded case circuit breaker

Eaton E2 mining molded case circuit breaker

Go to Eaton Navy & Marine complete molded case circuit breaker

Eaton Navy & Marine complete molded case circuit breaker

Go to Eaton PV Guard / Solar complete molded case circuit breaker

Eaton PV Guard / Solar complete molded case circuit breaker

Go to Engine generator molded case circuit breakers

Engine generator molded case circuit breakers

Go to FAZ cable-in cable-out

FAZ cable-in cable-out

Go to Magnum circuit breakers

Magnum circuit breakers

Go to Main Circuit Breakers

Main Circuit Breakers

Go to MDBS-4Ph Series

MDBS-4Ph Series

Go to Medium-voltage generator breakers

Medium-voltage generator breakers

Go to Medium-voltage mining circuit breakers

Medium-voltage mining circuit breakers

Go to Medium-voltage VCP-T vacuum circuit breakers

Medium-voltage VCP-T vacuum circuit breakers

Go to Medium-voltage VCP-W vacuum circuit breakers

Medium-voltage VCP-W vacuum circuit breakers

Go to Medium-voltage VCPW-HD vacuum circuit breakers

Medium-voltage VCPW-HD vacuum circuit breakers

Go to Medium-voltage wind circuit breakers

Medium-voltage wind circuit breakers

Go to NZM molded case circuit breakers

NZM molded case circuit breakers

Go to OEM components product portfolio

OEM components product portfolio

Go to Power Defense insulated case circuit breaker

Power Defense insulated case circuit breaker

Go to Power Defense molded case circuit breaker

Power Defense molded case circuit breaker

Go to Power Xpert Protection Manager (PXPM)

Power Xpert Protection Manager (PXPM)

Go to QC cable-in cable-out

QC cable-in cable-out

Go to Series C molded case circuit breaker

Series C molded case circuit breaker

Go to Series G molded case circuit breaker

Series G molded case circuit breaker

Go to Series NRX circuit breakers with Digitrip

Series NRX circuit breakers with Digitrip

Molded case circuit breakers

Eaton's molded case circuit breakers provide unmatched circuit protection and safety in countless applications. 

Take a look at all of Eaton's molded case circuit breakers. Find out about our latest and greatest MCCB. Discover which MCCB is the right for for your usage in your industry. Review the typical molded case circuit breaker application structure.

Circuit breaker fundamentals

Are circuit breakers new to you? We built a web page that will help get you learn the basics on circuit breakers.

What are circuit breakers and how do they work? Discover how circuit breakers function, the main components of circuit breakers and how they differ from fuses. Get all of the fundamentals of circuit breakers.

Eaton circuit breakers

Eaton’s complete line up of low and medium-voltage circuit breakers provide circuit protection in alternative energy, commercial, industrial, mining, and military applications, while protecting against overloads and short circuits in conductors.

Our circuit breakers are applied in panelboards, switchboards, motor control centers, control panels, combination starters, individual enclosures, and bus duct plug-in units.

Eaton circuit breaker types