Product reference sheet

Designed specifically with electrical contractors in mind, Square D has upgraded its market-leading QO breakers. Our exciting new features make installation and maintenance both easier and faster. Engineered directly in response to customer feedback, these new Arc Fault (AF) and Arc Fault Ground Fault (AF/GF) dual function (just use the correct technology for each item: either AF or the AF/GF) circuit breakers are designed with today’s contractors’ needs in mind.



LED diagnostics indicates cause of trip condition


Innovative neutral connection design leads to fewer connection and faster installation, no pigtails which frees up gutter space


Compatible with QO plug-on neutral load centers only


Shorter footprint for easier installs


Backed-out terminal screws for faster wiring


Side-by-side lug access and neutral lug alignment for faster installs


Time Saving Diagnostics LED for simplified troubleshooting


Finger-safe terminals for safer install


Advance Arc-D-TectTM arc-fault detection to reduce tripping