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QB Series

Schneider Electric QB Series

The Schneider Electric QB series is a line of molded case circuit breakers that offer overcurrent protection for AC motor systems. These QB breakers are available in 2- and 3-pole configurations, with current ratings ranging from 70 to 250 A and interrupting ratings from 10 kA to 100 kA. They are suitable for use in panelboards, switchboards, and OEM applications. The QB series circuit breakers are designed for both unit-mount and I-Line installations, providing flexibility and reliability in various industrial systems.

Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Browse QB Series

Browse available units in our catalog of QB Series.

QBA32125

Designed to handle up to 10 kA of interrupt rating, the QBA32125 features thermal magnetic protection with long-time and instantaneous trip functions. It comprises three poles and utilizes a 1-line st

In Stock Ships Today
4.5

QBL32000S22

This circuit breaker is designed with three poles for enhanced performance and utilizes feed-thru connections. It operates effectively within temperature limits of 0°C to 40°C and can accommodate up t

In Stock Ships Today
4.5

QBL32110

This circuit breaker operates at a rated voltage of 240 VAC and is suitable for three-phase connections with three poles. It offers LI functions for long-time and instantaneous protection. With a ther

In Stock Ships Today
5.0

QBL32090

This circuit breaker features three poles and provides long-time and instantaneous protection functions under thermal magnetic conditions. It is rated for a maximum interrupt capacity of 10 kA and ope

In Stock Ships Tomorrow
5.0

QBL32080

This circuit breaker is constructed with three poles and has an interrupt rating of 10 kA for effective fault management. It functions through both long-time and instantaneous modes. Environmental sui

In Stock Ships Tomorrow
5.0

QBF32225TS

This circuit breaker features two poles and employs thermal magnetic protection. It has an interrupt rating of 10 kA and provides long-time and instantaneous functions. Designed for 1-line style plug-

Available
4.5

QBA32110

This circuit breaker is configured for 3-phase operations, with a weight of 3.06 lbs. It provides long-time and instantaneous functions in line with thermal magnetic standards. The device can function

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5.0

QBA32150

This circuit breaker is configured for three poles and offers long-time and instantaneous functions. The thermal magnetic protection category ensures reliable operation under varying conditions. With

In Stock Ships Today
4.5
Showing 21-28 of 28 results