What breaker is compatible with QO?
Square D QO breakers are compatible with QO breaker boxes and CSEDs. Each ANSI-certified and UL-listed. Homeline circuit breakers are built with the same Square D brand quality you have come to expect at a price that makes them the best value in their class.
What is a Square D Type QO breaker?
The Square D by Schneider Electric QO 20 Amp One-Pole Circuit Breaker is intended for overload and short-circuit protection of your electrical system. The ANSI-certified and UL-listed unit is rated for 120/240 VAC and 10,000 AIR. All QO circuit breakers are equipped with the exclusive Visi-Trip indicator.
Are QO breakers switch rated?
Switching Duty (SWD) Circuit Breakers QO and QOB circuit breakers are suitable for switching 120 Vac fluorescent lighting loads. The switching duty (SWD) listing applies only to one-pole 15 and 20 A circuit breakers rated at 347 Vac or less.
What breakers fit in a Square D QO panel?
In short, Square D compatible breakers are Siemens, Cutler Hammer, Eaton, GE Breaker, Murray, Westinghouse, and Home Fitline.
What breakers are compatible with Square D QO?
What is a QO electrical panel?
QO Plug-on Neutral Load Centers and CAFI Circuit Breakers are engineered for a quick Plug-on Neutral connection on every circuit. Designed for reliability, the QO Plug-on Neutral CAFI Circuit Breakers connect directly to the neutral bar, providing a time- and labor-saving installation.
Are QO breakers 100% rated?
No. QO, QOB, and HOM circuit breakers are available with standard 80% rating only.
Will a breaker trip at 80%?
No. 80 percent is continuous load, and has nothing to do with trip characteristics or curves.
Can you oversize a circuit breaker?
Oversizing a circuit breaker can be a safety concern. If there is a direct short in an appliance a breaker will kick off even if oversized, but if there is simply a crossed or burned wire it may not turn off. This would cause a possible shock hazard.
What happens if breaker is too big?
Fuses burn literally, breakers safely discontinue the circuit. If they are oversized, they may not be the weakest points anymore. In case of failure they won’t be the first to burn – it may be the most expensive device you own or, even worse, it may be a conductor in the wall.