Circuit breakers

The IZMY series Air Circuit Breakers are a new generation of high-performance Air Circuit Breakers with sophisticated technology and comprehensive functions, offering safety and reliability. The Circuit Breakers are suitable for use in electrical distribution networks with AC 50 Hz / 60 Hz, rated operating voltage up to 690 V, and rated operating current of 4000 A and below, to provide functions such as current measurement, diagnosis, analysis, and precise selective protection.

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Overview Models Resources

Brand new control unit family

Extensive mounting accessories for fixed mounting and withdrawable units

Series IZMY in standard offer up to 690 V

Core features

Modern circuit-breaker technology reduces system costs.
Engineering design simplified by reduction to just 2 sizes.
Brand new control unit family PT (Power Trip).
The PT control unit offers an extensive range of functions: protection, measuring, analysis, diagnostics, and event memory functions.
Eaton’s software PTM (Power Trip Management) helps simplify testing, serviceability, and customization – significant time and labor savings. 
An enhanced user interface enables engineers to remotely view and adjust the trip unit settings.

IZMY16

IZMY16 is the smallest Air Circuit Breaker or Switch Disconnector frame size in our offer. Rated current ranges from 400 A to 1600 A, in three and four-pole versions, fixed mounted or withdrawable. It provides a switching capacity of up to 66 kA.

IZMY25

IZMY25 is the intermediate frame, ranging from 800 A to 2500 A, in three and four-pole versions, fixed mounted or withdrawable. It provides a switching capacity of up to 66 kA.

IZMY40

With the same footprint as the IZMY25, the IZMY40 is a Circuit Breaker or Switch Disconnector with rated currents from 2000 A up to 4000 A, in three and four-pole versions, fixed mounted or withdrawable. It provides a switching capacity of up to 66 kA.

What applications can I use IZMY Air Circuit Breakers for?

The circuit breakers can be used in four main application areas depending on the type of equipment to be protected:

System protection
Motor protection
Transformer protection
Generator protection

The next generation trip unit platform: Power Trip Management (PTM)

The new-generation IZMY series Air Circuit Breaker’s is equipped with new Power Trip (PT) electronic trip unit for protection and metering. The Power Trip Management (PTM) provides a clean, intuitive user interface enabling unmatched control, testing, and troubleshooting. The software is free to download and can run on any PC.

Do you know you can use xSpider for IZMY Series?

xSpider software is a graphically oriented electrical network design tool for dimensioning low-voltage networks fitted with circuit protection equipment from Eaton.

Learn more about xSpider

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Air Circuit Breaker IZMY Series