Circuit breakers

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

Introducing our most technologically advanced breakers

Go to AFDD+ Arc fault detection device
AFDD+ Arc fault detection device

AFDD+ Arc fault detection device

Go to Air Circuit Breaker - IZMX/INX series
Air Circuit Breaker - IZMX/INX series

Air Circuit Breaker - IZMX/INX series

Go to BZM Molded Case Circuit Breaker
BZM Molded Case Circuit Breaker

BZM Molded Case Circuit Breaker

Go to DS/DSII circuit breakers
DS/DSII circuit breakers

DS/DSII circuit breakers

Go to E6X Miniature Circuit Breaker
E6X Miniature Circuit Breaker

E6X Miniature Circuit Breaker

Go to Eaton E2 mining molded case circuit breaker
Eaton E2 mining molded case circuit breaker

Eaton E2 mining molded case circuit breaker

Go to Eaton Navy and Marine circuit breakers
Eaton Navy and Marine circuit breakers

Eaton Navy and Marine circuit breakers

Go to Eaton PVGard / Solar molded case circuit breaker
Eaton PVGard / Solar molded case circuit breaker

Eaton PVGard / Solar molded case circuit breaker

Go to Engine generator molded case circuit breakers
Engine generator molded case circuit breakers

Engine generator molded case circuit breakers

Go to Magnum circuit breakers
Magnum circuit breakers

Magnum circuit breakers

Go to Medium-voltage generator breakers
Medium-voltage generator breakers

Medium-voltage generator breakers

Go to Medium-voltage mining circuit breakers
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

Medium-voltage VCP-T vacuum circuit breakers

Go to Medium-voltage VCP-W vacuum circuit breakers
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

Medium-voltage VCPW-HD vacuum circuit breakers

Go to Medium-voltage wind circuit breakers
Medium-voltage wind circuit breakers

Medium-voltage wind circuit breakers

Go to NZM molded case circuit breakers
NZM molded case circuit breakers

NZM molded case circuit breakers

Go to Power Defense molded case circuit breaker
Power Defense molded case circuit breaker

Power Defense molded case circuit breaker

Go to Series C molded case circuit breaker
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

Series G molded case circuit breaker

Go to Series NRX circuit breakers with Digitrip
Series NRX circuit breakers with Digitrip

Series NRX circuit breakers with Digitrip

Go to SPBT12 xPole Surge Protection
SPBT12 xPole Surge Protection

SPBT12 xPole Surge Protection

Go to xEffect Combined RCD/MCB Device FRBdM, 1+N and 2-pole
xEffect Combined RCD/MCB Device FRBdM, 1+N and 2-pole

xEffect Combined RCD/MCB Device FRBdM, 1+N and 2-pole

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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.

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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.

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Eaton circuit breaker types