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 AZ xEffect Miniature Circuit Breaker
AZ xEffect Miniature Circuit Breaker

AZ xEffect Miniature Circuit Breaker

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

BZM Molded Case Circuit Breaker

Go to Digital NZM Moulded Case Circuit Breaker
Digital NZM Moulded Case Circuit Breaker

Digital NZM Moulded Case Circuit Breaker

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

Eaton E2 mining moulded case circuit breaker

Go to FAZ xEffect Miniature Circuit Breaker
FAZ xEffect Miniature Circuit Breaker

FAZ xEffect Miniature Circuit Breaker

Go to FAZ-DC xEffect miniature circuit breaker
FAZ-DC xEffect miniature circuit breaker

FAZ-DC xEffect miniature circuit breaker

Go to FAZ-T xEffect miniature circuit breaker
FAZ-T xEffect miniature circuit breaker

FAZ-T xEffect miniature circuit breaker

Go to FAZ6 xEffect Miniature Circuit Breaker
FAZ6 xEffect Miniature Circuit Breaker

FAZ6 xEffect Miniature Circuit Breaker

Go to PFGM xPole Residual Current Circuit Breaker
PFGM xPole Residual Current Circuit Breaker

PFGM xPole Residual Current Circuit Breaker

Go to PLS6-DC xPole Miniature Circuit Breaker
PLS6-DC xPole Miniature Circuit Breaker

PLS6-DC xPole Miniature Circuit Breaker

Go to Power Defense Molded Case Circuit Breaker
Power Defense Molded Case Circuit Breaker

Power Defense Molded Case Circuit Breaker

Go to xPole Combined RCD/MCB Device PKN4, 1+N-pole
xPole Combined RCD/MCB Device PKN4, 1+N-pole

xPole Combined RCD/MCB Device PKN4, 1+N-pole

Go to xPole Combined RCD/MCB Device PKN6/PKNM, 1+N-pole
xPole Combined RCD/MCB Device PKN6/PKNM, 1+N-pole

xPole Combined RCD/MCB Device PKN6/PKNM, 1+N-pole

Go to xPole PFDM residual current circuit breaker
xPole PFDM residual current circuit breaker

xPole PFDM residual current circuit breaker

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Moulded case circuit breakers

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

Take a look at all of Eaton's moulded case circuit breakers. Find out about our latest and greatest MCCB. Discover which MCCB is the right application for your industry. Review the typical moulded 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 you get to grips with circuit breaker basics.

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 centres, control panels, combination starters, individual enclosures and bus duct plug-in units.

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Eaton circuit breaker types