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Q4 Series

Schneider Electric Q4 Series

The Schneider Electric Q4 Series comprises thermal-magnetic molded case circuit breakers, including models like Q4L2400, Q432400, and Q4L3250. These breakers offer protection ranging from 125A to 400A, with interrupting ratings up to 25kA at 240VAC. Designed for versatility, they are suitable for construction sites, commercial and industrial buildings, and OEM control panels. Applications extend to mining operations and other heavy-duty environments. Features such as manual tripping and trip indication enhance safety and ease of maintenance. Certified under UL 489, CSA, and IEC standards, the Q4 Series ensures reliable circuit protection across 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 Q4 Series

Browse available units in our catalog of Q4 Series.

Q422300AC

This molded case circuit breaker supports a voltage rating of 240 VAC and features an interrupting capacity of 25 kA. With a trip unit rating of 300 A and two poles, it is equipped for single or split

Available
4.5

Q4L2400

Designed for 1-phase applications, the Q4L2400 circuit breaker operates at a voltage of 240 VAC with a rated current of 400 A. It includes a long-time and instantaneous function with a protection cate

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5.0

Q432250

With an interrupt rating of 25 kA, this circuit breaker offers reliable protection under fault conditions. It employs a thermal magnetic trip safety mechanism, providing both long-time and instantaneo

Available
5.0

Q4F3300

The Q4F3300 circuit breaker features three poles and operates at a frequency of 50 to 60 Hz. With an interrupt rating of 25 kA, this thermal magnetic breaker offers both long-time and instantaneous pr

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4.5

Q4L3350

The Q4L3350 features three poles and an interrupt rating of 25 kA. This circuit breaker is designed with thermal magnetic protection and provides both long-time and instantaneous functions. It support

In Stock Ships Today
4.5

Q4L3400MB

With three poles, this circuit breaker is rated for an interrupt capacity of 25 kA, making it suitable for high-demand applications. The equipment is designed for mounting as a standalone unit, with d

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5.0

Q4L34001021

Designed for three-phase applications, the Q4L34001021 circuit breaker boasts a rated voltage of 240 VAC. It features a thermal magnetic protection mechanism, with a magnetic hold current of 2000 A an

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4.5

Q422400AB

This 2-pole circuit breaker is suitable for single-phase applications. It features a thermal-magnetic trip for reliable operation and a high interrupt rating of 25 kA. The mounting plate design allows

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5.0

Q4L2300

As part of the Q4 Series, this circuit breaker consists of two poles and provides thermal magnetic protection with long-time and instantaneous functions. It features an interrupt rating of 25 kA, and

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5.0

Q4L3300

Belonging to the Q4 Series, this circuit breaker features three poles and is equipped with a 25 kA interrupt rating. Its thermal magnetic design provides long-time and instantaneous trip functions. Th

In Stock Ships Today
5.0
Showing 11-20 of 25 results