QO® miniature circuit breakers are plug-on products for use in QO load centers, NQOD panelboards, NQOD OEM interiors or Speed-D® switchboard distribution panels.
The QO exclusive Qwik-Open® mechanism, with a trip reaction within 1/60th of a second, is standard on all 1P 15A and 20 A QO circuit breakers
8 to 2 AWG and 4 to 2/0 AWG (ALUMINUM/COPPER) Wire.