QO is the "World's Finest" industry leading offer since 1955, with features engineered for faster installation, reliability and quality.
Thermal-Magnetic circuit breakers provide overload and short-circuit protection for the entire circuit, including the home run.
Eliminates guesswork and provides faster, easier troubleshooting by indicating which circuit breaker in an electrical panel has tripped.
QO standard circuit breakers are available from
15-125 Amps to fit your electrical needs.
Designed to save space, taking 3/4 in. per pole space. Use one load center space with single-pole breakers, two spaces with 2-pole breakers, and 3 spaces with
Handle clamps, ties and padlock attachments are available for use with QO breakers.
Typical questions asked about products: