Part of the Square D QOU family, this 3-pole, 60A miniature circuit breaker is engineered for commercial power distribution. It features a factory-installed auxiliary switch for remote signaling. Designed for installation flexibility, the breaker mounts onto DIN rails or within OEM control panels. It includes reversible line and load lugs to accommodate various wiring configurations.
What does the 1200 suffix mean on the QOU3601200 catalog number?
The 1200 suffix indicates that this breaker comes with a factory-installed auxiliary switch. This switch provides a remote signal to monitor whether the breaker contacts are open or closed.
Can I install the QOU3601200 in a standard Square D QO load center?
No. While it shares the same thermal-magnetic trip technology as the QO family, the QOU series features a unit-mount design with feed-thru box lugs. It is intended for DIN rail systems, OEM equipment, and control panels rather than plug-on or bolt-on load centers.
How is this unit-mount breaker secured inside a control panel?
The breaker can be surface-mounted, flush-mounted, or snapped onto a standard DIN rail using compatible Square D mounting feet. It features feed-thru connections with box lugs on both the line and load sides.
Can the QOU3601200 be used in direct current (DC) circuits?
Yes, in addition to its 120/240VAC ratings, this breaker is rated for DC applications up to 48VDC, where it provides a 5kA interrupting capacity. This makes it suitable for protecting low-voltage control circuits and power supplies.
Does this breaker include a visual trip indicator?
Yes, it includes the Square D Visi-Trip feature. When the breaker trips due to an overcurrent or short circuit, the handle moves to a center position and a bright red indicator appears in a window on the breaker case for easy identification.
Is the QOU3601200 a direct replacement for the standard QOU360?
It has the same 60A, 3-pole footprint and mounting style as the standard QOU360. However, the QOU3601200 includes an integrated auxiliary switch for remote monitoring, which requires additional control wiring to utilize.
What type of wire can be used with the QOU3601200 terminals?
The feed-thru box lugs are dual-rated for both aluminum and copper conductors, accepting wire sizes from 14 AWG to 2 AWG. Ensure proper torque is applied during installation as specified on the breaker label.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 106 reviews.
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Rated 5.0 out of 5 stars
Based on 106 reviews
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Reviews Summary
Generated by AI from 99 most recent customer reviews
Last updated 5/14/26
Customers say these circuit breakers function properly and arrive quickly. Many reviews highlight fast shipping, competitive pricing, and reliable product condition upon arrival. Users appreciate the wide selection, including hard-to-find models, and note the breakers work as expected for various applications. Common feedback addresses quick order processing and easy website navigation. Most customers report satisfaction with value and delivery speed, with many indicating they will purchase again.
Square D QOU260 - 60A 2 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
9/7/26
Good thing
i recommend this for you
RG
Robert G.
Verified Buyer
Reviewing
Square D QOU340 - 40A 3 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
9/3/26
Circuit breakers
I appreciate the fact that you had these in stock. my Square D distributor does not seem to stock these anymore and it takes a couple weeks to get. your pricing is inline with theirs.
TH
Tiffany H.
Verified Buyer
Reviewing
Square D QOU115 - 15A 1 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
8/28/26
Will use Super Breakers again
Arrived in a timely manner. Exactly what we needed for a job.
CS
Cary S.
Verified Buyer
Reviewing
Square D QOU250 - 50A 2 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
8/12/26
Just what I ordered
Just what I needed for dock pedestal
MH
Mark H.
Verified Buyer
Reviewing
Square D QOU250VH - 50A 2 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
8/11/26
Square D QOU250VH - 50A 2 Pole Miniature Circuit Breaker