Square D by Schneider Electric QO3100 QO 100 Amp Three-Pole Circuit Breaker, QO 100 Amp three-pole circuit breaker Plug-on design, easy to install Compatible with QO load centers, CSED's and NQOD panel boards Rated for 240 VAC and 10,000 AIR QO 100 Amp three-pole circuit breaker Compatible with QO load centers, CSED's and NQOD panel boards Rated for 240 VAC and 10,000 AIR